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69521b0bee
pokeplatinum/lib/crypto/asm/sign.s
scbroede 69521b0bee
decompile crypto utils (#994)
2026-03-11 14:18:08 -07:00

4751 lines
78 KiB
ArmAsm
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.include "macros/function.inc"
.include "include/sign.inc"
.text
arm_func_start CRYPTO_VerifySignature
CRYPTO_VerifySignature: ; 0x02239498
stmfd sp!, {r4, r5, lr}
sub sp, sp, #0x14
mov ip, r0
mov r4, r1
mov r5, r2
mov r2, r4
add r0, sp, #0
mov r1, ip
mov r4, r3
bl MATH_CalcSHA1
add r0, sp, #0
mov r1, r5
mov r2, r4
bl CRYPTO_VerifySignatureWithHash
add sp, sp, #0x14
ldmia sp!, {r4, r5, lr}
bx lr
arm_func_end CRYPTO_VerifySignature
arm_func_start CRYPTO_VerifySignatureWithHash
CRYPTO_VerifySignatureWithHash: ; 0x022394DC
stmfd sp!, {r4, lr}
sub sp, sp, #0x120
mov r3, #0
str r3, [sp, #0x10]
str r3, [sp, #0x18]
str r2, [sp]
mov r3, #0x80
mov r4, r0
mov r2, r1
ldr ip, _022395D8 ; =0x00010001
str r3, [sp, #4]
add r0, sp, #0x1c
mov r1, #0x100
str ip, [sp, #8]
bl CRYPTOi_RSA
mov r1, r0
add r0, sp, #0x1c
add r2, sp, #0xc
add r3, sp, #0x10
bl SkipPadding
cmp r0, #0
addeq sp, sp, #0x120
moveq r0, #0
ldmeqia sp!, {r4, lr}
bxeq lr
add r1, sp, #0x14
add r0, sp, #0x18
str r1, [sp]
str r0, [sp, #4]
mov r2, #0
ldr r0, [sp, #0xc]
ldr r1, [sp, #0x10]
mov r3, r2
bl ParseSignHash
cmp r0, #0
addeq sp, sp, #0x120
moveq r0, #0
ldmeqia sp!, {r4, lr}
bxeq lr
ldr r0, [sp, #0x18]
cmp r0, #0x14
addne sp, sp, #0x120
movne r0, #0
ldmneia sp!, {r4, lr}
bxne lr
ldr r2, [sp, #0x14]
mov r3, #0
_02239598:
ldrb r1, [r2]
ldrb r0, [r4]
cmp r1, r0
addne sp, sp, #0x120
movne r0, #0
ldmneia sp!, {r4, lr}
bxne lr
add r3, r3, #1
cmp r3, #0x14
add r4, r4, #1
add r2, r2, #1
blt _02239598
mov r0, #1
add sp, sp, #0x120
ldmia sp!, {r4, lr}
bx lr
; .align 2, 0
_022395D8: .word 0x00010001
arm_func_end CRYPTO_VerifySignatureWithHash
arm_func_start ParseSignHash
ParseSignHash: ; 0x022395DC
stmfd sp!, {r0, r1, r2, r3}
stmfd sp!, {r4, r5, lr}
sub sp, sp, #4
mov r5, r2
mov r4, r3
add r0, sp, #0x10
add r1, sp, #0x14
mov r2, #0x30
mov r3, #0
bl ASN1Skip
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, lr}
addeq sp, sp, #0x10
bxeq lr
add r0, sp, #0x10
add r1, sp, #0x14
mov r2, #0x30
mov r3, #0
bl ASN1Skip
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, lr}
addeq sp, sp, #0x10
bxeq lr
add r0, sp, #0x10
add r1, sp, #0x14
add r3, sp, #0
mov r2, #6
bl ASN1Skip
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, lr}
addeq sp, sp, #0x10
bxeq lr
cmp r5, #0
ldrne r0, [sp, #0x10]
strne r0, [r5]
cmp r4, #0
ldrne r0, [sp]
strne r0, [r4]
ldr r2, [sp]
ldr r0, [sp, #0x10]
ldr r1, [sp, #0x14]
add r0, r0, r2
str r0, [sp, #0x10]
cmp r1, r2
addlo sp, sp, #4
movlo r0, #0
ldmloia sp!, {r4, r5, lr}
addlo sp, sp, #0x10
bxlo lr
sub ip, r1, r2
add r0, sp, #0x10
add r1, sp, #0x14
add r3, sp, #0
mov r2, #5
str ip, [sp, #0x14]
bl ASN1Skip
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, lr}
addeq sp, sp, #0x10
bxeq lr
ldr r2, [sp]
ldr r0, [sp, #0x10]
ldr r1, [sp, #0x14]
add r0, r0, r2
str r0, [sp, #0x10]
cmp r1, r2
addlo sp, sp, #4
movlo r0, #0
ldmloia sp!, {r4, r5, lr}
addlo sp, sp, #0x10
bxlo lr
sub ip, r1, r2
add r0, sp, #0x10
add r1, sp, #0x14
add r3, sp, #0
mov r2, #4
str ip, [sp, #0x14]
bl ASN1Skip
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, lr}
addeq sp, sp, #0x10
bxeq lr
ldr r1, [sp, #0x20]
cmp r1, #0
ldrne r0, [sp, #0x10]
strne r0, [r1]
ldr r1, [sp, #0x24]
cmp r1, #0
ldrne r0, [sp]
strne r0, [r1]
mov r0, #1
add sp, sp, #4
ldmia sp!, {r4, r5, lr}
add sp, sp, #0x10
bx lr
arm_func_end ParseSignHash
arm_func_start SkipPadding
SkipPadding: ; 0x02239780
stmdb sp!, {lr}
sub sp, sp, #4
cmp r1, #0xa
addlo sp, sp, #4
movlo r0, #0
ldmloia sp!, {lr}
bxlo lr
ldrb ip, [r0]
add lr, r0, r1
cmp ip, #1
addne sp, sp, #4
movne r0, #0
ldmneia sp!, {lr}
bxne lr
add ip, r0, #1
mov r1, #0
_022397C0:
ldrb r0, [ip], #1
cmp r0, #0xff
addne sp, sp, #4
movne r0, #0
ldmneia sp!, {lr}
bxne lr
add r1, r1, #1
cmp r1, #8
blt _022397C0
cmp ip, lr
beq _02239804
_022397EC:
ldrb r0, [ip]
cmp r0, #0xff
bne _02239804
add ip, ip, #1
cmp ip, lr
bne _022397EC
_02239804:
cmp ip, lr
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {lr}
bxeq lr
ldrb r0, [ip]
cmp r0, #0
movne r0, #0
addeq r0, ip, #1
subeq r1, lr, r0
streq r1, [r3]
streq r0, [r2]
moveq r0, #1
add sp, sp, #4
ldmia sp!, {lr}
bx lr
arm_func_end SkipPadding
arm_func_start ASN1Skip
ASN1Skip: ; 0x02239844
stmfd sp!, {r4, r5, r6, lr}
ldr r5, [r0, #0]
mov r6, #0
ldrb r4, [r5]
add r5, r5, #1
mov ip, r6
cmp r4, r2
ldr r2, [r1, #0]
movne r0, r6
ldmneia sp!, {r4, r5, r6, lr}
bxne lr
cmp r2, #1
movlo r0, r6
ldmloia sp!, {r4, r5, r6, lr}
bxlo lr
ldrb lr, [r5]
sub r4, r2, #1
ands r2, lr, #0x80
beq _022398E0
and r2, lr, #0x7f
and lr, r2, #0xff
add r2, lr, #1
cmp r4, r2
movlo r0, r6
ldmloia sp!, {r4, r5, r6, lr}
bxlo lr
cmp r3, #0
sub r6, r4, lr
beq _022398D8
ldrb r2, [r5, #1]
add r5, r5, #1
and r4, r2, #0x7f
_022398C4:
sub r2, lr, #1
add ip, r4, ip, lsl #7
ands lr, r2, #0xff
bne _022398C4
b _022398FC
_022398D8:
add r5, r5, lr
b _022398FC
_022398E0:
add r5, r5, #1
cmp r4, #1
mov ip, lr
movlo r0, r6
ldmloia sp!, {r4, r5, r6, lr}
bxlo lr
sub r6, r4, #1
_022398FC:
str r5, [r0, #0]
str r6, [r1, #0]
cmp r3, #0
strne ip, [r3]
mov r0, #1
ldmia sp!, {r4, r5, r6, lr}
bx lr
arm_func_end ASN1Skip
arm_func_start CRYPTOi_RSA
CRYPTOi_RSA: ; 0x02239918
stmfd sp!, {r4, r5, r6, r7, r8, lr}
sub sp, sp, #0x58
movs r6, r0
mov r5, r1
mov r8, r2
mov r7, r3
beq _02239948
cmp r8, #0
beq _02239948
ldr r0, [sp, #0x70]
cmp r0, #0
bne _02239958
_02239948:
add sp, sp, #0x58
mvn r0, #2
ldmia sp!, {r4, r5, r6, r7, r8, lr}
bx lr
_02239958:
bl BN_CTX_new
mov r4, r0
add r0, sp, #4
bl BN_init
add r0, sp, #0x18
bl BN_init
add r0, sp, #0x2c
bl BN_init
add r0, sp, #0x40
bl BN_init
cmp r4, #0
mvneq r5, #1
beq _02239A34
add r2, sp, #4
mov r0, r8
mov r1, r7
bl BN_bin2bn
cmp r0, #0
mvneq r5, #1
beq _02239A34
ldr r1, [sp, #0x78]
add r0, sp, #0x2c
bl BN_set_word
cmp r0, #0
mvneq r5, #1
beq _02239A34
ldr r0, [sp, #0x70]
ldr r1, [sp, #0x74]
add r2, sp, #0x40
bl BN_bin2bn
cmp r0, #0
mvneq r5, #1
beq _02239A34
add r0, sp, #0x18
add r1, sp, #4
add r2, sp, #0x2c
add r3, sp, #0x40
str r4, [sp]
bl BN_mod_exp
cmp r0, #0
mvneq r5, #1
beq _02239A34
add r0, sp, #0x18
bl BN_num_bits
add r1, r0, #7
mov r0, r1, asr #2
add r0, r1, r0, lsr #29
mov r0, r0, asr #3
cmp r0, r5
mvngt r5, #0
bgt _02239A34
add r0, sp, #0x18
mov r1, r6
bl BN_bn2bin
mov r5, r0
_02239A34:
add r0, sp, #4
bl BN_free
add r0, sp, #0x18
bl BN_free
add r0, sp, #0x2c
bl BN_free
add r0, sp, #0x40
bl BN_free
cmp r4, #0
beq _02239A64
mov r0, r4
bl BN_CTX_free
_02239A64:
mov r0, r5
add sp, sp, #0x58
ldmia sp!, {r4, r5, r6, r7, r8, lr}
bx lr
arm_func_end CRYPTOi_RSA
arm_func_start BN_mod_exp_mont
BN_mod_exp_mont: ; 0x02239A74
stmfd sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
sub sp, sp, #0x7c
mov r4, #0
mov r5, r3
mov r3, r4
str r3, [sp, #0x34]
ldr r3, [r5, #0]
str r0, [sp, #4]
mov r0, r4
ldr r3, [r3, #0]
str r0, [sp, #0x1c]
str r0, [sp, #0x20]
ands r0, r3, #1
ldr r0, [sp, #0xa0]
str r4, [sp, #8]
str r0, [sp, #0xa0]
mov r7, r1
mov r6, r2
addeq sp, sp, #0x7c
moveq r0, r4
ldmeqia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bxeq lr
ldr r1, [r7, #4]
ldr r0, [r0, #0]
cmp r1, #0
str r0, [sp, #0xc]
beq _02239AF8
cmp r1, #1
bne _02239B14
ldr r0, [r7, #0]
ldr r0, [r0, #0]
cmp r0, #0
bne _02239B14
_02239AF8:
ldr r0, [sp, #4]
mov r1, #0
bl BN_set_word
add sp, sp, #0x7c
mov r0, #1
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
_02239B14:
ldr r1, [r6, #4]
cmp r1, #0
beq _02239B38
cmp r1, #1
bne _02239B54
ldr r0, [r6, #0]
ldr r0, [r0, #0]
cmp r0, #0
bne _02239B54
_02239B38:
ldr r0, [sp, #4]
mov r1, #1
bl BN_set_word
add sp, sp, #0x7c
mov r0, #1
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
_02239B54:
cmp r1, #1
bne _02239B88
ldr r0, [r6, #0]
ldr r0, [r0, #0]
cmp r0, #1
bne _02239B88
ldr r0, [sp, #4]
mov r1, r7
bl BN_copy
add sp, sp, #0x7c
mov r0, #1
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
_02239B88:
ldr r0, [sp, #0xa4]
str r0, [sp, #0x18]
cmp r0, #0
bne _02239BBC
bl BN_MONT_CTX_new
str r0, [sp, #0x18]
cmp r0, #0
beq _0223A218
ldr r2, [sp, #0xa0]
mov r1, r5
bl BN_MONT_CTX_set_word
cmp r0, #0
beq _0223A218
_02239BBC:
ldr r3, [sp, #0xa0]
add r1, sp, #0x34
mov r4, r3
ldr r4, [r4, #0x10c]
mov r0, r6
mov r2, #0
str r4, [sp, #0x1c]
bl BN_gen_exp_bits
cmp r0, #0
beq _0223A218
ldr r0, [sp, #0xa0]
ldr r0, [r0, #0]
add r1, r0, #1
ldr r0, [sp, #0xa0]
str r1, [r0, #0]
ldr r0, [sp, #0x34]
ldrb r1, [r0, #2]
ldrb r0, [r0, #3]
str r0, [sp, #0x10]
add r0, r1, #0x3f
bl _s32_div_f
ldr r1, [sp, #0x34]
mov r4, r0
add r0, r1, #4
str r0, [sp, #0x34]
ldr r0, [sp, #0x18]
ldr r3, [r7, #4]
ldr sl, [r0, #0x24]
cmp r3, sl
bne _02239C54
ldr r1, [r7, #0]
sub r2, sl, #1
ldr r0, [r5, #0]
ldr r1, [r1, r2, lsl #2]
ldr r0, [r0, r2, lsl #2]
cmp r1, r0
strlo r7, [sp, #0x14]
blo _02239D0C
_02239C54:
cmp r3, sl
bge _02239CC8
ldr r0, [sp, #0xa0]
ldr r3, [r0, #0]
add r1, r0, #4
add r2, r3, #1
str r2, [r0, #0]
mov r0, #0x14
mla r0, r3, r0, r1
ldr r2, [r7, #4]
mov r1, r0
str r2, [r1, #4]
mov r1, sl
str r0, [sp, #0x14]
bl bn_zexpand
ldr r0, [r7, #4]
mov r2, #0
cmp r0, #0
ble _02239D0C
_02239CA0:
ldr r1, [r7, #0]
ldr r0, [sp, #0x14]
ldr r1, [r1, r2, lsl #2]
ldr r0, [r0, #0]
str r1, [r0, r2, lsl #2]
ldr r0, [r7, #4]
add r2, r2, #1
cmp r2, r0
blt _02239CA0
b _02239D0C
_02239CC8:
ldr r0, [sp, #0xa0]
mov r2, r5
ldr r3, [r0, #0]
mov r1, r7
add r5, r3, #1
str r5, [r0, #0]
add r5, r0, #4
mov r0, #0x14
mla r0, r3, r0, r5
ldr r3, [sp, #0xa0]
str r0, [sp, #0x14]
bl BN_mod
cmp r0, #0
beq _0223A218
ldr r0, [sp, #0x14]
mov r1, sl
bl bn_zexpand
_02239D0C:
ldr r0, [sp, #0xa0]
ldr r3, [r0, #0]
ldr r0, [r6, #4]
add r1, r3, #1
mul r2, r0, r4
ldr r0, [sp, #0xa0]
mov r4, r2, lsl #1
str r1, [r0, #0]
ldr r1, [r0, #0]
add r4, r4, #7
add r2, r1, #1
str r2, [r0, #0]
ldr r2, [sp, #0x10]
ldr r0, [r0, #0]
mul r5, r2, sl
mov r2, r4, asr #1
add r2, r4, r2, lsr #30
add r5, r5, r2, asr #2
ldr r2, [sp, #0xa0]
mov r6, #0x14
add r2, r2, #4
mla r8, r1, r6, r2
mla r4, r3, r6, r2
ldr r1, [sp, #0xa0]
add r3, r0, #1
mla r7, r0, r6, r2
str r3, [r1, #0]
mov r0, r1
ldr r0, [r0, #0]
mla r6, r0, r6, r2
add r1, r0, #1
ldr r0, [sp, #0xa0]
str r1, [r0, #0]
ldr r0, [sp, #4]
ldr r0, [r0, #8]
cmp sl, r0
ldrle r0, [sp, #4]
ble _02239DB0
ldr r0, [sp, #4]
mov r1, sl
bl bn_expand2
_02239DB0:
cmp r0, #0
beq _0223A218
ldr r0, [r8, #8]
mov r1, sl, lsl #2
cmp r1, r0
movle r0, r8
ble _02239DD4
mov r0, r8
bl bn_expand2
_02239DD4:
cmp r0, #0
beq _0223A218
ldr r1, [r7, #8]
mov r0, sl, lsl #1
str r0, [sp, #0x24]
cmp r0, r1
movle r0, r7
ble _02239E00
ldr r1, [sp, #0x24]
mov r0, r7
bl bn_expand2
_02239E00:
cmp r0, #0
beq _0223A218
ldr r0, [r4, #8]
cmp r5, r0
movle r0, r4
ble _02239E24
mov r1, r5
mov r0, r4
bl bn_expand2
_02239E24:
cmp r0, #0
beq _0223A218
ldr r1, [r6, #8]
ldr r0, [sp, #0x24]
cmp r0, r1
movle r0, r6
ble _02239E4C
ldr r1, [sp, #0x24]
mov r0, r6
bl bn_expand2
_02239E4C:
cmp r0, #0
beq _0223A218
ldr r0, [sp, #0x18]
ldr fp, [r8]
ldr r8, [r7]
ldr r6, [r6, #0]
ldr r1, [r4, #0]
ldr r7, [r0, #0x48]
ldr r5, [r0, #0x20]
ldr r3, [sp, #0x18]
str r1, [sp, #0x38]
str sl, [sp]
ldr r1, [sp, #0x14]
ldr r3, [r3, #0xc]
ldr r1, [r1, #0]
mov r0, r6
mov r2, sl
bl bn_mul_normal
str r7, [sp]
ldr r0, [sp, #0x38]
mov r1, r6
mov r2, r5
mov r3, sl
bl bn_from_montgomery_words
ldr r0, [sp, #0x10]
cmp r0, #1
ble _02239F54
ldr r1, [sp, #0x38]
mov r0, r6
mov r2, sl
mov r3, fp
bl bn_sqr_normal
mov r0, fp
mov r1, r6
mov r2, r5
mov r3, sl
str r7, [sp]
bl bn_from_montgomery_words
ldr r0, [sp, #0x10]
mov r4, #1
cmp r0, #1
ble _02239F54
mov r0, sl, lsl #2
str r0, [sp, #0x28]
add sb, sp, #0x38
_02239F00:
sub r3, r4, #1
ldr r2, [sb, r3, lsl #2]
ldr r1, [sp, #0x28]
mov r0, r6
add r1, r2, r1
str r1, [sb, r4, lsl #2]
str sl, [sp]
ldr r1, [sb, r3, lsl #2]
mov r2, sl
mov r3, fp
bl bn_mul_normal
str r7, [sp]
ldr r0, [sb, r4, lsl #2]
mov r1, r6
mov r2, r5
mov r3, sl
bl bn_from_montgomery_words
ldr r0, [sp, #0x10]
add r4, r4, #1
cmp r4, r0
blt _02239F00
_02239F54:
ldr r3, [sp, #0x34]
add r0, r3, #1
str r0, [sp, #0x34]
add r2, r0, #1
ldrb r1, [r3]
str r2, [sp, #0x34]
ldrb sb, [r3, #1]
cmp sb, #0xff
bne _02239FD4
cmp r1, #0
bne _02239FD4
add r0, r2, #1
str r0, [sp, #0x34]
ldrb r1, [r2]
b _02239FA4
_02239F90:
add sb, sb, #0x100
ldr r1, [sp, #0x34]
add r1, r1, #2
str r1, [sp, #0x34]
ldrb r1, [r0, #1]
_02239FA4:
ldr r0, [sp, #0x34]
ldrb r2, [r0]
cmp r2, #0xff
bne _02239FBC
cmp r1, #0
beq _02239F90
_02239FBC:
ldr r2, [sp, #0x34]
add r2, r2, #1
str r2, [sp, #0x34]
ldrb r0, [r0]
add r0, r0, #1
add sb, sb, r0
_02239FD4:
mov r2, r1, asr #1
add r0, sp, #0x38
ldr r0, [r0, r2, lsl #2]
mov r1, r8
mov r2, sl, lsl #2
bl MI_CpuCopy8
cmp sb, #0
beq _0223A1AC
mov r0, #0xff
str r0, [sp, #0x2c]
mov r0, #0
str r0, [sp, #0x30]
_0223A004:
ldr r0, [sp, #0x1c]
cmp r0, #0
beq _0223A038
mov r3, r0
ldr r1, [sp, #0x2c]
ldr r2, [sp, #0x20]
ldr r3, [r3, #0]
blx r3
cmp r0, #0
ldr r0, [sp, #0x20]
add r0, r0, #1
str r0, [sp, #0x20]
bne _0223A218
_0223A038:
ldr r0, [sp, #0xa0]
ldr r0, [r0, #0x108]
ands r0, r0, #0x4000
bne _0223A218
cmp sb, #0
ldr r4, [sp, #0x30]
ble _0223A08C
_0223A054:
mov r0, r6
mov r1, r8
mov r2, sl
mov r3, fp
bl bn_sqr_normal
str r7, [sp]
mov r0, r8
mov r1, r6
mov r2, r5
mov r3, sl
bl bn_from_montgomery_words
add r4, r4, #1
cmp r4, sb
blt _0223A054
_0223A08C:
ldr r2, [sp, #0x34]
add r0, r2, #1
str r0, [sp, #0x34]
add r1, r0, #1
ldrb r0, [r2]
str r1, [sp, #0x34]
ldrb sb, [r2, #1]
cmp sb, #0xff
bne _0223A10C
cmp r0, #0
bne _0223A10C
add r0, r1, #1
str r0, [sp, #0x34]
ldrb r0, [r1]
b _0223A0DC
_0223A0C8:
add sb, sb, #0x100
ldr r0, [sp, #0x34]
add r0, r0, #2
str r0, [sp, #0x34]
ldrb r0, [r1, #1]
_0223A0DC:
ldr r1, [sp, #0x34]
ldrb r2, [r1]
cmp r2, #0xff
bne _0223A0F4
cmp r0, #0
beq _0223A0C8
_0223A0F4:
ldr r2, [sp, #0x34]
add r2, r2, #1
str r2, [sp, #0x34]
ldrb r1, [r1]
add r1, r1, #1
add sb, sb, r1
_0223A10C:
cmp r0, #0
bne _0223A11C
cmp sb, #0
beq _0223A1AC
_0223A11C:
cmp sb, #0
bne _0223A12C
cmp r0, #1
beq _0223A168
_0223A12C:
mov r1, r0, asr #1
str sl, [sp]
add r0, sp, #0x38
ldr r3, [r0, r1, lsl #2]
mov r0, r6
mov r1, r8
mov r2, sl
bl bn_mul_normal
mov r0, r8
mov r1, r6
mov r2, r5
mov r3, sl
str r7, [sp]
bl bn_from_montgomery_words
b _0223A1A4
_0223A168:
ldr r0, [sp, #0x14]
str sl, [sp]
ldr r3, [r0, #0]
mov r0, r6
mov r1, r8
mov r2, sl
bl bn_mul_normal
ldr r0, [sp, #4]
str r7, [sp]
ldr r0, [r0, #0]
mov r1, r6
mov r2, r5
mov r3, sl
bl bn_from_montgomery_words
b _0223A1F0
_0223A1A4:
cmp sb, #0
bne _0223A004
_0223A1AC:
ldr r0, [sp, #0x24]
mov r2, sl
cmp sl, r0
bge _0223A1D4
mov r1, #0
_0223A1C0:
ldr r0, [sp, #0x24]
str r1, [r8, r2, lsl #2]
add r2, r2, #1
cmp r2, r0
blt _0223A1C0
_0223A1D4:
ldr r0, [sp, #4]
str r7, [sp]
ldr r0, [r0, #0]
mov r1, r8
mov r2, r5
mov r3, sl
bl bn_from_montgomery_words
_0223A1F0:
ldr r0, [sp, #0xa0]
ldr r0, [r0, #0x108]
ands r0, r0, #0x4000
bne _0223A218
ldr r0, [sp, #4]
mov r1, r0
str sl, [r1, #4]
bl bn_fix_top
mov r0, #1
str r0, [sp, #8]
_0223A218:
ldr r0, [sp, #0x1c]
cmp r0, #0
beq _0223A240
ldr r3, [r0, #0]
mov r1, #0xff
mvn r2, #0
blx r3
cmp r0, #0
movne r0, #0
strne r0, [sp, #8]
_0223A240:
ldr r0, [sp, #0xa4]
cmp r0, #0
bne _0223A25C
ldr r0, [sp, #0x18]
cmp r0, #0
beq _0223A25C
bl BN_MONT_CTX_free
_0223A25C:
ldr r2, [sp, #0xc]
ldr r1, [sp, #0xa0]
ldr r0, [sp, #8]
str r2, [r1, #0]
add sp, sp, #0x7c
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
arm_func_end BN_mod_exp_mont
arm_func_start BN_mod_exp_recp
BN_mod_exp_recp: ; 0x0223A278
stmfd sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
sub sp, sp, #0x18c
mov sl, r0
mov r0, #0
str r0, [sp, #8]
mov r5, r1
ldr r1, [sp, #8]
mov r0, r2
str r2, [sp, #4]
mov r4, r3
str r1, [sp, #0xc]
ldr sb, [sp, #0x1b0]
bl BN_num_bits
ldr r1, [r5, #4]
mov r8, r0
cmp r1, #0
beq _0223A2D4
cmp r1, #1
bne _0223A2F0
ldr r0, [r5, #0]
ldr r0, [r0, #0]
cmp r0, #0
bne _0223A2F0
_0223A2D4:
mov r0, sl
mov r1, #0
bl BN_set_word
add sp, sp, #0x18c
mov r0, #1
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
_0223A2F0:
ldr r0, [sp, #4]
ldr r1, [r0, #4]
cmp r1, #0
beq _0223A318
cmp r1, #1
bne _0223A334
ldr r0, [r0, #0]
ldr r0, [r0, #0]
cmp r0, #0
bne _0223A334
_0223A318:
mov r0, sl
mov r1, #1
bl BN_set_word
add sp, sp, #0x18c
mov r0, #1
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
_0223A334:
cmp r1, #1
bne _0223A36C
ldr r0, [sp, #4]
ldr r0, [r0, #0]
ldr r0, [r0, #0]
cmp r0, #1
bne _0223A36C
mov r0, sl
mov r1, r5
bl BN_copy
add sp, sp, #0x18c
mov r0, #1
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
_0223A36C:
add r0, sp, #0x18
bl BN_RECP_CTX_init
add r0, sp, #0x18
mov r1, r4
mov r2, sb
bl BN_RECP_CTX_set
cmp r0, #0
ble _0223A5B8
add r0, sp, #0x4c
bl BN_init
ldr r2, [sb]
add r1, sb, #4
mov r0, #0x14
mla r6, r2, r0, r1
add r1, r2, #1
str r1, [sb]
mov r2, r4
mov r4, #1
add r0, sp, #0x4c
mov r1, r5
mov r3, sb
str r4, [sp, #0xc]
bl BN_mod
cmp r0, #0
beq _0223A5B8
add r1, sp, #0x4c
add r3, sp, #0x18
mov r0, r6
mov r2, r1
str sb, [sp]
bl BN_mod_mul_reciprocal
cmp r0, #0
beq _0223A5B8
cmp r8, #0x11
movle fp, r4
ble _0223A414
cmp r8, #0x100
movge fp, #5
bge _0223A414
cmp r8, #0x80
movge fp, #4
movlt fp, #3
_0223A414:
sub r0, fp, #1
mov r4, #1
mov r7, r4, lsl r0
cmp r7, #1
ble _0223A470
add r5, sp, #0x60
_0223A42C:
mov r0, r5
bl BN_init
sub r3, r4, #1
mov r2, #0x14
add r1, sp, #0x4c
mla r1, r3, r2, r1
mov r0, r5
mov r2, r6
add r3, sp, #0x18
str sb, [sp]
bl BN_mod_mul_reciprocal
cmp r0, #0
beq _0223A5B8
add r4, r4, #1
cmp r4, r7
add r5, r5, #0x14
blt _0223A42C
_0223A470:
mov r5, #1
mov r0, sl
mov r1, r5
str r4, [sp, #0xc]
sub r8, r8, #1
bl BN_set_word
cmp r0, #0
beq _0223A5B8
mov r0, r5
str r0, [sp, #0x10]
mov r0, #0
str r0, [sp, #0x14]
_0223A4A0:
ldr r0, [sp, #4]
mov r1, r8
bl BN_is_bit_set
cmp r0, #0
bne _0223A4EC
cmp r5, #0
bne _0223A4DC
mov r0, sl
mov r1, sl
mov r2, sl
add r3, sp, #0x18
str sb, [sp]
bl BN_mod_mul_reciprocal
cmp r0, #0
beq _0223A5B8
_0223A4DC:
cmp r8, #0
beq _0223A5B0
sub r8, r8, #1
b _0223A4A0
_0223A4EC:
ldr r6, [sp, #0x10]
ldr r7, [sp, #0x14]
cmp fp, #1
mov r4, r6
ble _0223A530
_0223A500:
subs r1, r8, r4
bmi _0223A530
ldr r0, [sp, #4]
bl BN_is_bit_set
cmp r0, #0
subne r0, r4, r7
movne r0, r6, lsl r0
movne r7, r4
add r4, r4, #1
orrne r6, r0, #1
cmp r4, fp
blt _0223A500
_0223A530:
cmp r5, #0
add r5, r7, #1
bne _0223A574
cmp r5, #0
ldr r4, [sp, #0x14]
ble _0223A574
_0223A548:
mov r0, sl
mov r1, sl
mov r2, sl
add r3, sp, #0x18
str sb, [sp]
bl BN_mod_mul_reciprocal
cmp r0, #0
beq _0223A5B8
add r4, r4, #1
cmp r4, r5
blt _0223A548
_0223A574:
mov r3, r6, asr #1
mov r1, #0x14
add r0, sp, #0x4c
mla r2, r3, r1, r0
mov r0, sl
mov r1, sl
add r3, sp, #0x18
str sb, [sp]
bl BN_mod_mul_reciprocal
cmp r0, #0
beq _0223A5B8
add r0, r7, #1
ldr r5, [sp, #0x14]
subs r8, r8, r0
bpl _0223A4A0
_0223A5B0:
mov r0, #1
str r0, [sp, #8]
_0223A5B8:
ldr r0, [sp, #0xc]
ldr r1, [sb]
cmp r0, #0
sub r0, r1, #1
str r0, [sb]
mov r4, #0
ble _0223A5F4
add r5, sp, #0x4c
_0223A5D8:
mov r0, r5
bl BN_clear_free
ldr r0, [sp, #0xc]
add r4, r4, #1
cmp r4, r0
add r5, r5, #0x14
blt _0223A5D8
_0223A5F4:
add r0, sp, #0x18
bl BN_RECP_CTX_free
ldr r0, [sp, #8]
add sp, sp, #0x18c
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
arm_func_end BN_mod_exp_recp
arm_func_start bn_div_words
bn_div_words: ; 0x0223A60C
stmfd sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
sub sp, sp, #4
movs r8, r2
mov sl, r0
mov sb, r1
mov fp, #0
mov r5, #2
addeq sp, sp, #4
mvneq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bxeq lr
mov r0, r8
bl BN_num_bits_word
cmp r0, #0x20
beq _0223A660
mov r1, #1
cmp sl, r1, lsl r0
addhi sp, sp, #4
movhi r0, fp
ldmhiia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bxhi lr
_0223A660:
cmp sl, r8
rsb r2, r0, #0x20
subhs sl, sl, r8
cmp r2, #0
movne r1, sl, lsl r2
rsbne r0, r2, #0x20
orrne sl, r1, sb, lsr r0
movne r8, r8, lsl r2
ldr r4, _0223A748 ; =0x0000FFFF
movne sb, sb, lsl r2
and r7, r4, r8, lsr #16
and r6, r8, r4
_0223A690:
mov r0, sl, lsr #0x10
cmp r0, r7
moveq r0, r4
beq _0223A6AC
mov r0, sl
mov r1, r7
bl _u32_div_f
_0223A6AC:
mul ip, r0, r7
mul r3, r0, r6
and r2, r4, sb, lsr #16
_0223A6B8:
mov lr, #0x10000
sub r1, sl, ip
rsb lr, lr, #0
ands lr, r1, lr
bne _0223A6E4
add r1, r2, r1, lsl #16
cmp r3, r1
subhi ip, ip, r7
subhi r3, r3, r6
subhi r0, r0, #1
bhi _0223A6B8
_0223A6E4:
mul r2, r0, r6
and r1, r2, r4
mul r3, r0, r7
mov r1, r1, lsl #0x10
cmp sb, r1
add r2, r3, r2, lsr #16
addlo r2, r2, #1
cmp sl, r2
addlo sl, sl, r8
sub sb, sb, r1
sublo r0, r0, #1
sub r1, sl, r2
subs r5, r5, #1
beq _0223A738
and r2, r0, r4
mov r1, r1, lsl #0x10
and r0, sb, r4
orr sl, r1, sb, lsr #16
mov fp, r2, lsl #0x10
mov sb, r0, lsl #0x10
b _0223A690
_0223A738:
orr r0, fp, r0
add sp, sp, #4
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
; .align 2, 0
_0223A748: .word 0x0000FFFF
arm_func_end bn_div_words
arm_func_start BN_reciprocal
BN_reciprocal: ; 0x0223A74C
stmfd sp!, {r4, r5, r6, r7, r8, lr}
sub sp, sp, #0x18
mov r8, r0
add r0, sp, #4
mov r7, r1
mov r6, r2
mov r5, r3
mvn r4, #0
bl BN_init
add r0, sp, #4
mov r1, #0
bl BN_set_word
add r0, sp, #4
mov r1, r6
bl BN_set_bit
cmp r0, #0
beq _0223A7B0
add r2, sp, #4
mov r0, r8
mov r3, r7
mov r1, #0
str r5, [sp]
bl BN_div
cmp r0, #0
movne r4, r6
_0223A7B0:
add r0, sp, #4
bl BN_free
mov r0, r4
add sp, sp, #0x18
ldmia sp!, {r4, r5, r6, r7, r8, lr}
bx lr
arm_func_end BN_reciprocal
arm_func_start BN_div_recp
BN_div_recp: ; 0x0223A7C8
stmfd sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
sub sp, sp, #0xc
ldr r6, [sp, #0x30]
mov sb, r1
ldr fp, [r6]
movs sl, r0
add r0, fp, #1
str r0, [r6, #0]
ldr r7, [r6, #0]
add r4, r6, #4
mov r0, #0x14
mla r5, fp, r0, r4
add ip, r7, #1
mov r1, #0
str r5, [sp, #4]
mla r5, r7, r0, r4
str ip, [r6]
str r1, [sp]
ldreq r1, [r6]
mov r8, r2
mlaeq sl, r1, r0, r4
addeq r0, r1, #1
streq r0, [r6]
mov r7, r3
cmp sb, #0
bne _0223A848
ldr r2, [r6, #0]
add r1, r6, #4
mov r0, #0x14
mla sb, r2, r0, r1
add r0, r2, #1
str r0, [r6, #0]
_0223A848:
mov r0, r8
mov r1, r7
bl BN_ucmp
cmp r0, #0
bge _0223A888
mov r0, sl
mov r1, #0
bl BN_set_word
mov r0, sb
mov r1, r8
bl BN_copy
add sp, sp, #0xc
str fp, [r6]
mov r0, #1
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
_0223A888:
mov r0, r8
bl BN_num_bits
ldr r1, [r7, #0x28]
mov r2, r0
mov r0, r1, lsl #1
cmp r0, r2
movgt r2, r0
suble r0, r2, r0
movgt r4, #0
addle r0, r0, r0, lsr #31
movle r4, r0, asr #1
ldr r1, [r7, #0x2c]
add r0, r2, r2, lsr #31
mov r0, r0, asr #1
cmp r2, r1
str r0, [sp, #8]
beq _0223A8E0
mov r1, r7
mov r3, r6
add r0, r7, #0x14
bl BN_reciprocal
str r0, [r7, #0x2c]
_0223A8E0:
ldr r2, [sp, #8]
ldr r0, [sp, #4]
mov r1, r8
sub r2, r2, r4
bl BN_rshift
cmp r0, #0
beq _0223AA30
ldr r1, [sp, #4]
mov r0, r5
mov r3, r6
add r2, r7, #0x14
bl BN_mul
cmp r0, #0
beq _0223AA30
ldr r2, [sp, #8]
mov r0, sl
mov r1, r5
add r2, r2, r4
bl BN_rshift
cmp r0, #0
beq _0223AA30
mov r4, #0
mov r0, r5
mov r1, r7
mov r2, sl
mov r3, r6
str r4, [sl, #0xc]
bl BN_mul
cmp r0, #0
beq _0223AA30
mov r0, sb
mov r1, r8
mov r2, r5
bl BN_usub
cmp r0, #0
beq _0223AA30
mov r5, r4
mov r0, sb
mov r1, r7
str r5, [sb, #0xc]
bl BN_ucmp
cmp r0, #0
blt _0223A9DC
mov r4, #1
_0223A990:
cmp r5, #2
add r5, r5, #1
bgt _0223AA30
mov r0, sb
mov r1, sb
mov r2, r7
bl BN_usub
cmp r0, #0
beq _0223AA30
mov r0, sl
mov r1, r4
bl BN_add_word
cmp r0, #0
beq _0223AA30
mov r0, sb
mov r1, r7
bl BN_ucmp
cmp r0, #0
bge _0223A990
_0223A9DC:
ldr r0, [sb, #4]
mov r1, #1
cmp r0, #0
beq _0223AA08
cmp r0, #1
bne _0223AA04
ldr r0, [sb]
ldr r0, [r0, #0]
cmp r0, #0
beq _0223AA08
_0223AA04:
mov r1, #0
_0223AA08:
cmp r1, #0
movne r0, #0
ldreq r0, [r8, #0xc]
str r0, [sb, #0xc]
mov r0, #1
ldr r2, [r8, #0xc]
ldr r1, [r7, #0xc]
str r0, [sp]
eor r0, r2, r1
str r0, [sl, #0xc]
_0223AA30:
ldr r0, [sp]
str fp, [r6]
add sp, sp, #0xc
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
arm_func_end BN_div_recp
arm_func_start BN_mod_mul_reciprocal
BN_mod_mul_reciprocal: ; 0x0223AA44
stmfd sp!, {r4, r5, r6, r7, r8, lr}
sub sp, sp, #8
ldr r4, [sp, #0x20]
mov ip, #0x14
ldr r5, [r4, #0]
add lr, r4, #4
mla r6, r5, ip, lr
add ip, r5, #1
mov r8, r0
mov r7, r3
str ip, [r4]
cmp r2, #0
mov r5, #0
beq _0223AAB4
cmp r1, r2
bne _0223AA9C
mov r0, r6
mov r2, r4
bl BN_sqr
cmp r0, #0
bne _0223AAB8
b _0223AAD4
_0223AA9C:
mov r0, r6
mov r3, r4
bl BN_mul
cmp r0, #0
bne _0223AAB8
b _0223AAD4
_0223AAB4:
mov r6, r1
_0223AAB8:
mov r1, r8
mov r2, r6
mov r3, r7
mov r0, #0
str r4, [sp]
bl BN_div_recp
mov r5, #1
_0223AAD4:
ldr r1, [r4, #0]
mov r0, r5
sub r1, r1, #1
str r1, [r4, #0]
add sp, sp, #8
ldmia sp!, {r4, r5, r6, r7, r8, lr}
bx lr
arm_func_end BN_mod_mul_reciprocal
arm_func_start BN_RECP_CTX_set
BN_RECP_CTX_set: ; 0x0223AAF0
stmfd sp!, {r4, r5, lr}
sub sp, sp, #4
mov r5, r0
mov r4, r1
bl BN_copy
add r0, r5, #0x14
mov r1, #0
bl BN_set_word
mov r0, r4
bl BN_num_bits
str r0, [r5, #0x28]
mov r0, #0
str r0, [r5, #0x2c]
mov r0, #1
add sp, sp, #4
ldmia sp!, {r4, r5, lr}
bx lr
arm_func_end BN_RECP_CTX_set
arm_func_start BN_RECP_CTX_free
BN_RECP_CTX_free: ; 0x0223AB34
stmfd sp!, {r4, lr}
mov r4, r0
bl BN_free
add r0, r4, #0x14
bl BN_free
ldr r0, [r4, #0x30]
ands r0, r0, #1
ldmeqia sp!, {r4, lr}
bxeq lr
mov r0, r4
bl CRYPTOi_MyFree
ldmia sp!, {r4, lr}
bx lr
arm_func_end BN_RECP_CTX_free
arm_func_start BN_RECP_CTX_init
BN_RECP_CTX_init: ; 0x0223AB68
stmfd sp!, {r4, lr}
mov r4, r0
bl BN_init
add r0, r4, #0x14
bl BN_init
mov r0, #0
str r0, [r4, #0x28]
str r0, [r4, #0x30]
ldmia sp!, {r4, lr}
bx lr
arm_func_end BN_RECP_CTX_init
arm_func_start BN_MONT_CTX_free
BN_MONT_CTX_free: ; 0x0223AB90
stmfd sp!, {r4, lr}
mov r4, r0
add r0, r4, #0xc
bl BN_free
add r0, r4, #0x20
bl BN_free
add r0, r4, #0x34
bl BN_free
ldr r0, [r4, #0x4c]
ands r0, r0, #1
ldmeqia sp!, {r4, lr}
bxeq lr
mov r0, r4
bl CRYPTOi_MyFree
ldmia sp!, {r4, lr}
bx lr
arm_func_end BN_MONT_CTX_free
arm_func_start BN_MONT_CTX_init
BN_MONT_CTX_init: ; 0x0223ABD0
stmfd sp!, {r4, lr}
mov r4, r0
mov r1, #0
str r1, [r4, #0]
add r0, r4, #0xc
str r1, [r4, #8]
bl BN_init
add r0, r4, #0x20
bl BN_init
add r0, r4, #0x34
bl BN_init
mov r0, #0
str r0, [r4, #0x4c]
ldmia sp!, {r4, lr}
bx lr
arm_func_end BN_MONT_CTX_init
arm_func_start BN_MONT_CTX_new
BN_MONT_CTX_new: ; 0x0223AC0C
stmfd sp!, {r4, lr}
mov r0, #0x50
bl CRYPTOi_MyAlloc
movs r4, r0
moveq r0, #0
ldmeqia sp!, {r4, lr}
bxeq lr
bl BN_MONT_CTX_init
mov r1, #1
mov r0, r4
str r1, [r4, #0x4c]
ldmia sp!, {r4, lr}
bx lr
arm_func_end BN_MONT_CTX_new
arm_func_start BN_MONT_CTX_set_word
BN_MONT_CTX_set_word: ; 0x0223AC40
stmfd sp!, {r4, r5, r6, r7, lr}
sub sp, sp, #0x14
mov r6, r1
ldr r3, [r6, #4]
mov r7, r0
cmp r3, #0
mov r5, r2
addeq sp, sp, #0x14
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, lr}
bxeq lr
add r0, r7, #0x20
add r4, r7, #0xc
bl BN_copy
cmp r0, #0
addeq sp, sp, #0x14
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, lr}
bxeq lr
add r0, sp, #0
bl BN_init
mov r1, #1
mov r0, r6
str r1, [r7, #0]
bl BN_num_bits
add r1, r0, #0x1f
mov r0, r1, asr #4
add r0, r1, r0, lsr #27
mov r2, r0, asr #5
mov r0, r4
mov r1, #0
str r2, [r7, #8]
bl BN_set_word
cmp r0, #0
addeq sp, sp, #0x14
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, lr}
bxeq lr
mov r0, r4
mov r1, #0x20
bl BN_set_bit
cmp r0, #0
beq _0223ADE4
ldr r0, [r6, #0]
ldr r4, [r0, #0]
mov r0, r4
bl BN_mod_inverse_word
mov r1, r0
add r0, sp, #0
bl BN_set_word
cmp r0, #0
beq _0223ADE4
add r0, sp, #0
mov r2, #0x20
mov r1, r0
bl BN_lshift
cmp r0, #0
beq _0223ADE4
ldr r0, [sp, #4]
cmp r0, #0
beq _0223AD5C
cmp r0, #1
bne _0223AD4C
ldr r0, [sp]
ldr r0, [r0, #0]
cmp r0, #0
beq _0223AD5C
_0223AD4C:
add r0, sp, #0
mov r1, #1
bl BN_sub_word
b _0223AD70
_0223AD5C:
add r0, sp, #0
mvn r1, #0
bl BN_set_word
cmp r0, #0
beq _0223ADE4
_0223AD70:
ldr r2, [sp, #4]
cmp r2, #1
ldrge r0, [sp]
ldrge r1, [r0]
movlt r1, #0
cmp r2, #2
ldrge r0, [sp]
mov r2, r4
ldrge r0, [r0, #4]
movlt r0, #0
bl bn_div_words
str r0, [r7, #0x48]
add r0, r7, #0xc
mov r1, #0
bl BN_set_word
ldr r1, [r7, #8]
add r0, r7, #0xc
mov r1, r1, lsl #6
bl BN_set_bit
cmp r0, #0
beq _0223ADE4
add r0, r7, #0xc
mov r1, r0
mov r3, r5
add r2, r7, #0x20
bl BN_mod
ldr r1, [r7, #8]
add r0, r7, #0xc
bl bn_zexpand
_0223ADE4:
add r0, sp, #0
bl BN_free
mov r0, #1
add sp, sp, #0x14
ldmia sp!, {r4, r5, r6, r7, lr}
bx lr
arm_func_end BN_MONT_CTX_set_word
arm_func_start BN_gen_exp_string
BN_gen_exp_string: ; 0x0223ADFC
stmfd sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
sub sp, sp, #0xc
mov r4, r2
mov r7, r1
cmp r4, #6
mov r5, r0
movgt r4, #6
mov r1, #1
mov r2, r1, lsl r4
ldr r0, [r7, #4]
sub r2, r2, #1
add r0, r4, r0, lsl #5
ldr r3, _0223AFD0 ; =0x0223F158
str r2, [sp]
ldr r2, [r3, r4, lsl #2]
mov r1, r4
sub r0, r0, #1
str r2, [sp, #4]
mov r6, #0
bl _s32_div_f
mov ip, #0
mov r0, r0, lsl #1
add r0, r0, #2
mov r8, r6
add r1, r5, r0
strb r8, [r5, r0]
strb r8, [r1, #-1]
ldr r0, [r7, #0]
ldr r2, [r7, #4]
ldr r7, [r0, #0]
add lr, r0, #4
cmp r2, #1
sub sb, r1, #2
ldrgt r8, [lr], #4
mov sl, r7
mov r0, ip
str ip, [sp, #8]
mov r1, #0xff
mov fp, ip
_0223AE98:
ldr r3, [sp]
and r3, sl, r3
ldr sl, [sp, #4]
ldrb sl, [sl, r3]
cmp sl, #0
beq _0223AEF8
add ip, ip, sl
add r6, r6, sl
cmp r6, #0x20
blo _0223AEE0
cmp r2, #1
ble _0223AEF8
sub r2, r2, #1
mov r7, r8
cmp r2, #1
movle r8, fp
ldrgt r8, [lr], #4
sub r6, r6, #0x20
_0223AEE0:
cmp r6, #0
moveq sl, r7
movne sl, r7, lsr r6
rsbne r3, r6, #0x20
orrne sl, sl, r8, lsl r3
b _0223AE98
_0223AEF8:
cmp r3, #0
beq _0223AF7C
strb ip, [sb]
strb r3, [sb, #-1]
cmp ip, #0x100
sub sb, sb, #2
blo _0223AF34
cmp ip, #0x100
blo _0223AF34
_0223AF1C:
strb r1, [sb]
sub ip, ip, #0x100
strb r0, [sb, #-1]
sub sb, sb, #2
cmp ip, #0x100
bhs _0223AF1C
_0223AF34:
mov ip, r4
add r6, r6, r4
cmp r6, #0x20
blo _0223AF64
cmp r2, #1
ble _0223AF7C
sub r2, r2, #1
mov r7, r8
cmp r2, #1
ldrle r8, [sp, #8]
sub r6, r6, #0x20
ldrgt r8, [lr], #4
_0223AF64:
cmp r6, #0
moveq sl, r7
movne sl, r7, lsr r6
rsbne r3, r6, #0x20
orrne sl, sl, r8, lsl r3
b _0223AE98
_0223AF7C:
add sb, sb, #1
mov r0, #2
b _0223AFA0
_0223AF88:
strb r2, [r5]
ldrb r1, [sb, #1]
add sb, sb, #2
add r0, r0, #2
strb r1, [r5, #1]
add r5, r5, #2
_0223AFA0:
ldrb r2, [sb]
cmp r2, #0
bne _0223AF88
ldrb r1, [sb, #1]
cmp r1, #0
bne _0223AF88
mov r1, #0
strb r1, [r5]
strb r1, [r5, #1]
add sp, sp, #0xc
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
; .align 2, 0
_0223AFD0: .word Unk_ov97_0223F158
arm_func_end BN_gen_exp_string
arm_func_start BN_gen_exp_bits
BN_gen_exp_bits: ; 0x0223AFD4
stmfd sp!, {r4, r5, r6, r7, r8, sb, lr}
sub sp, sp, #4
ldr r5, [r3, #0], #4
mov r2, #0x14
mla r4, r5, r2, r3
mov sb, r0
ldr r0, [sb, #4]
mov r8, r1
cmp r0, #0
mov r5, #0
mov r1, r0, lsl #5
addeq sp, sp, #4
moveq r0, r5
ldmeqia sp!, {r4, r5, r6, r7, r8, sb, lr}
bxeq lr
cmp r0, #1
bne _0223B074
cmp r0, #1
bne _0223B038
ldr r2, [sb]
ldr r1, _0223B138 ; =0x00010001
ldr r2, [r2, #0]
cmp r2, r1
ldreq r5, _0223B13C ; =0x0223DEC4
beq _0223B064
_0223B038:
ldr r1, [sb]
ldr r1, [r1, #0]
cmp r1, #0x11
bne _0223B054
cmp r0, #1
ldreq r5, _0223B140 ; =0x0223DEDC
beq _0223B064
_0223B054:
cmp r1, #3
bne _0223B064
cmp r0, #1
ldreq r5, _0223B144 ; =0x0223DED0
_0223B064:
mov r7, #1
mov r6, r7
mov r1, #0x20
b _0223B0A4
_0223B074:
cmp r1, #0x100
movge r7, #5
movge r6, #0x10
movge r1, #7
bge _0223B0A4
cmp r1, #0x80
movge r6, #8
movge r1, r6
movge r7, #4
movlt r7, #3
movlt r6, #4
movlt r1, #0xb
_0223B0A4:
mul r1, r0, r1
mov r0, r1, lsl #1
add r1, r0, #7
mov r0, r1, asr #1
add r0, r1, r0, lsr #30
cmp r5, #0
mov r1, r0, asr #2
bne _0223B120
ldr r0, [r4, #8]
cmp r1, r0
movle r0, r4
ble _0223B0DC
mov r0, r4
bl bn_expand2
_0223B0DC:
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, r8, sb, lr}
bxeq lr
ldr r5, [r4, #0]
mov r1, sb
mov r2, r7
add r0, r5, #4
bl BN_gen_exp_string
add r1, r0, #2
mov r0, r1, asr #8
strb r0, [r5]
strb r1, [r5, #1]
strb r7, [r5, #2]
strb r6, [r5, #3]
b _0223B124
_0223B120:
mov r1, #8
_0223B124:
str r5, [r8]
add r0, r1, #2
add sp, sp, #4
ldmia sp!, {r4, r5, r6, r7, r8, sb, lr}
bx lr
; .align 2, 0
_0223B138: .word 0x00010001
_0223B13C: .word Unk_ov97_0223DEC4
_0223B140: .word Unk_ov97_0223DEDC
_0223B144: .word Unk_ov97_0223DED0
arm_func_end BN_gen_exp_bits
arm_func_start BN_mod_inverse_word
BN_mod_inverse_word: ; 0x0223B148
stmfd sp!, {r4, r5, r6, r7, r8, sb, sl, lr}
mov sl, r0
mov r1, sl
rsb r0, sl, #0
bl _u32_div_f
movs r8, r1
mov r7, sl
mov r5, #0
mov r6, #1
mvn r4, #0
beq _0223B1B0
_0223B174:
mov r0, r7
mov r1, r8
bl _u32_div_f
mov sb, r1
mov r0, r7
mov r1, r8
bl _u32_div_f
mla r1, r0, r6, r5
mov r5, r6
mov r7, r8
mov r6, r1
mov r8, sb
cmp sb, #0
rsb r4, r4, #0
bne _0223B174
_0223B1B0:
cmp r4, #0
sublt r5, sl, r5
cmp r7, #1
movne r1, #0
bne _0223B1D0
mov r0, r5
mov r1, sl
bl _u32_div_f
_0223B1D0:
mov r0, r1
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, lr}
bx lr
arm_func_end BN_mod_inverse_word
arm_func_start bn_from_montgomery_words
bn_from_montgomery_words: ; 0x0223B1DC
stmfd sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
sub sp, sp, #0xc
mov r7, r3
mov sb, r1
mov r6, #0
mov sl, r0
mov r8, r2
mov r4, r6
cmp r7, #0
add r5, sb, r7, lsl #2
ldr fp, [sp, #0x30]
ble _0223B26C
mov r0, #1
str r6, [sp, #4]
str r0, [sp]
_0223B218:
ldr r1, [sb]
mov r0, sb
mul r3, r1, fp
mov r1, r8
mov r2, r7
bl bn_mul_add_words
add r1, r0, r6
ldr r0, [r5, #0]
cmp r1, r6
ldrlo r6, [sp]
add r0, r0, r1
str r0, [r5, #0]
ldr r0, [r5, #0]
ldrhs r6, [sp, #4]
cmp r0, r1
add r4, r4, #1
addlo r6, r6, #1
cmp r4, r7
add sb, sb, #4
add r5, r5, #4
blt _0223B218
_0223B26C:
cmp r6, #0
sub r2, r7, #1
bne _0223B2C0
ldr r1, [sb, r2, lsl #2]
ldr r0, [r8, r2, lsl #2]
cmp r1, r0
bne _0223B2AC
cmp r2, #0
ble _0223B2AC
_0223B290:
ldr r1, [sb, r2, lsl #2]
ldr r0, [r8, r2, lsl #2]
cmp r1, r0
bne _0223B2AC
sub r2, r2, #1
cmp r2, #0
bgt _0223B290
_0223B2AC:
ldr r1, [sb, r2, lsl #2]
ldr r0, [r8, r2, lsl #2]
cmp r1, r0
movhs r6, #1
movlo r6, #0
_0223B2C0:
cmp r6, #0
beq _0223B2E8
mov r0, sl
mov r1, sb
mov r2, r8
mov r3, r7
bl bn_sub_words
add sp, sp, #0xc
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
_0223B2E8:
cmp r7, #0
addle sp, sp, #0xc
mov r1, #0
ldmleia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bxle lr
_0223B2FC:
ldr r0, [sb, r1, lsl #2]
str r0, [sl, r1, lsl #2]
add r1, r1, #1
cmp r1, r7
blt _0223B2FC
add sp, sp, #0xc
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
arm_func_end bn_from_montgomery_words
arm_func_start bn_sqr_normal
bn_sqr_normal: ; 0x0223B31C
stmfd sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
sub sp, sp, #4
mov fp, r2
mov r6, fp, lsl #1
mov sl, r0
mov r7, fp
mov sb, r1
sub r7, r7, #1
sub r2, r6, #1
mov r0, #0
str r0, [sl, r2, lsl #2]
ldr r0, [sl, r2, lsl #2]
str r3, [sp]
mov r5, sb
str r0, [sl]
cmp r7, #0
add r4, sl, #4
ble _0223B384
add r5, r5, #4
ldr r3, [sb]
mov r0, r4
mov r1, r5
mov r2, r7
bl bn_mul_words
str r0, [r4, r7, lsl #2]
add r4, r4, #8
_0223B384:
sub r8, fp, #2
cmp r8, #0
ble _0223B3C4
_0223B390:
mov r0, r5
sub r7, r7, #1
add r5, r5, #4
ldr r3, [r0, #0]
mov r0, r4
mov r1, r5
mov r2, r7
bl bn_mul_add_words
sub r8, r8, #1
str r0, [r4, r7, lsl #2]
cmp r8, #0
add r4, r4, #8
bgt _0223B390
_0223B3C4:
mov r0, sl
mov r1, sl
mov r2, sl
mov r3, r6
bl bn_add_words
ldr r0, [sp]
mov r1, sb
mov r2, fp
bl bn_sqr_words
ldr r2, [sp]
mov r0, sl
mov r1, sl
mov r3, r6
bl bn_add_words
add sp, sp, #4
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
arm_func_end bn_sqr_normal
arm_func_start BN_sqr
BN_sqr: ; 0x0223B408
stmfd sp!, {r4, r5, r6, r7, r8, sb, lr}
sub sp, sp, #0x64
ldr r5, [r2, #0]
mov sb, r0
mov r8, r1
cmp r8, sb
add r3, r2, #4
mov r2, #0x14
movne r7, sb
addeq r0, r5, #1
mla r4, r5, r2, r3
mlaeq r7, r0, r2, r3
ldr r5, [r8, #4]
cmp r5, #0
movle r0, #0
strle r0, [sb, #4]
addle sp, sp, #0x64
movle r0, #1
ldmleia sp!, {r4, r5, r6, r7, r8, sb, lr}
bxle lr
ldr r0, [r7, #8]
mov r6, r5, lsl #1
cmp r6, r0
movle r0, r7
ble _0223B478
mov r0, r7
mov r1, r6
bl bn_expand2
_0223B478:
cmp r0, #0
addeq sp, sp, #0x64
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, r8, sb, lr}
bxeq lr
str r6, [r7, #4]
mov r0, #0
str r0, [r7, #0xc]
cmp r5, #4
bne _0223B4B8
ldr r0, [r7, #0]
ldr r1, [r8]
add r3, sp, #0
mov r2, #4
bl bn_sqr_normal
b _0223B51C
_0223B4B8:
cmp r5, #8
bne _0223B4D8
ldr r0, [r7, #0]
ldr r1, [r8]
add r3, sp, #0x20
mov r2, #8
bl bn_sqr_normal
b _0223B51C
_0223B4D8:
ldr r0, [r4, #8]
cmp r6, r0
movle r0, r4
ble _0223B4F4
mov r0, r4
mov r1, r6
bl bn_expand2
_0223B4F4:
cmp r0, #0
addeq sp, sp, #0x64
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, r8, sb, lr}
bxeq lr
ldr r0, [r7, #0]
ldr r1, [r8]
ldr r3, [r4, #0]
mov r2, r5
bl bn_sqr_normal
_0223B51C:
cmp r6, #0
ble _0223B540
ldr r1, [r7, #0]
sub r0, r6, #1
ldr r0, [r1, r0, lsl #2]
cmp r0, #0
ldreq r0, [r7, #4]
subeq r0, r0, #1
streq r0, [r7, #4]
_0223B540:
cmp r7, sb
beq _0223B554
mov r0, sb
mov r1, r7
bl BN_copy
_0223B554:
mov r0, #1
add sp, sp, #0x64
ldmia sp!, {r4, r5, r6, r7, r8, sb, lr}
bx lr
arm_func_end BN_sqr
arm_func_start BN_mod_exp
BN_mod_exp: ; 0x0223B564
stmdb sp!, {lr}
sub sp, sp, #0xc
ldr ip, [r3, #4]
cmp ip, #0
ble _0223B5A8
ldr ip, [r3]
ldr ip, [ip]
ands ip, ip, #1
beq _0223B5A8
ldr lr, [sp, #0x10]
mov ip, #0
str lr, [sp]
str ip, [sp, #4]
bl BN_mod_exp_mont
add sp, sp, #0xc
ldmia sp!, {lr}
bx lr
_0223B5A8:
ldr ip, [sp, #0x10]
str ip, [sp]
bl BN_mod_exp_recp
add sp, sp, #0xc
ldmia sp!, {lr}
bx lr
arm_func_end BN_mod_exp
arm_func_start BN_mod
BN_mod: ; 0x0223B5C0
stmdb sp!, {lr}
sub sp, sp, #4
mov lr, r1
mov ip, r2
str r3, [sp]
mov r1, r0
mov r2, lr
mov r3, ip
mov r0, #0
bl BN_div
add sp, sp, #4
ldmia sp!, {lr}
bx lr
arm_func_end BN_mod
arm_func_start BN_div
BN_div: ; 0x0223B5F4
stmfd sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
sub sp, sp, #0x4c
mov r6, r3
ldr r3, [r6, #4]
mov r8, r0
str r1, [sp]
str r2, [sp, #4]
cmp r3, #0
ldr r4, [sp, #0x70]
beq _0223B634
cmp r3, #1
bne _0223B644
ldr r0, [r6, #0]
ldr r0, [r0, #0]
cmp r0, #0
bne _0223B644
_0223B634:
add sp, sp, #0x4c
mov r0, #0
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
_0223B644:
ldr r0, [sp, #4]
mov r1, r6
bl BN_ucmp
cmp r0, #0
bge _0223B6A4
ldr r0, [sp]
cmp r0, #0
beq _0223B680
ldr r1, [sp, #4]
bl BN_copy
cmp r0, #0
addeq sp, sp, #0x4c
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bxeq lr
_0223B680:
cmp r8, #0
beq _0223B694
mov r0, r8
mov r1, #0
bl BN_set_word
_0223B694:
add sp, sp, #0x4c
mov r0, #1
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
_0223B6A4:
ldr r3, [r4, #0]
add r0, r4, #4
mov r2, #0x14
mla r1, r3, r2, r0
mov r3, #0
str r3, [r1, #0xc]
ldr r5, [r4, #0]
str r1, [sp, #0x14]
add r4, r5, #1
mla r1, r4, r2, r0
add r3, r5, #2
str r1, [sp, #0x18]
mla r1, r3, r2, r0
cmp r8, #0
str r1, [sp, #0x1c]
addeq r1, r5, #3
mlaeq r8, r1, r2, r0
mov r0, r6
bl BN_num_bits
mov r1, r0, lsr #0x1f
rsb r0, r1, r0, lsl #27
add r0, r1, r0, ror #27
rsb r0, r0, #0x20
str r0, [sp, #8]
ldr r0, [sp, #0x1c]
ldr r2, [sp, #8]
mov r1, r6
bl BN_lshift
cmp r0, #0
addeq sp, sp, #0x4c
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bxeq lr
ldr r2, [sp, #8]
ldr r0, [sp, #0x18]
ldr r1, [sp, #4]
ldr r3, [sp, #0x1c]
mov r4, #0
add r2, r2, #0x20
str r4, [r3, #0xc]
bl BN_lshift
cmp r0, #0
addeq sp, sp, #0x4c
moveq r0, r4
ldmeqia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bxeq lr
ldr r0, [sp, #0x18]
mov r1, r4
str r1, [r0, #0xc]
ldr r0, [sp, #0x1c]
ldr r0, [r0, #4]
str r0, [sp, #0x28]
ldr r0, [sp, #0x18]
ldr r1, [sp, #0x28]
ldr r4, [r0, #4]
add r0, sp, #0x38
sub r1, r4, r1
str r1, [sp, #0x10]
bl BN_init
ldr r0, [sp, #0x18]
ldr r2, [r0, #0]
ldr r0, [sp, #0x28]
sub r1, r0, #1
ldr r0, [sp, #0x10]
add r0, r2, r0, lsl #2
str r0, [sp, #0x38]
ldr r0, [sp, #0x28]
str r0, [sp, #0x3c]
ldr r0, [sp, #0x18]
ldr r2, [r0, #8]
ldr r0, [sp, #0x28]
cmp r0, #1
add r0, r2, #1
str r0, [sp, #0x40]
ldr r0, [sp, #0x1c]
moveq r5, #0
ldr r2, [r0, #0]
ldr r0, [r2, r1, lsl #2]
str r0, [sp, #0x24]
ldrne r0, [sp, #0x28]
subne r0, r0, #2
ldrne r5, [r2, r0, lsl #2]
ldr r0, [sp, #0x18]
ldr r2, [r8, #8]
ldr r1, [r0, #0]
sub r0, r4, #1
add r7, r1, r0, lsl #2
ldr r0, [sp, #0x10]
add r1, r0, #1
cmp r1, r2
movle r0, r8
ble _0223B81C
mov r0, r8
bl bn_expand2
_0223B81C:
cmp r0, #0
beq _0223BB80
ldr r0, [sp, #4]
ldr r1, [r6, #0xc]
ldr r3, [r0, #0xc]
ldr r0, [sp, #0x10]
sub r2, r0, #1
eor r0, r3, r1
str r0, [r8, #0xc]
ldr r0, [sp, #0x10]
str r0, [r8, #4]
ldr r0, [sp, #0x28]
ldr r3, [r8]
add r1, r0, #1
add r0, r3, r2, lsl #2
str r0, [sp, #0x20]
ldr r0, [sp, #0x14]
ldr r0, [r0, #8]
cmp r1, r0
ldrle r0, [sp, #0x14]
ble _0223B878
ldr r0, [sp, #0x14]
bl bn_expand2
_0223B878:
cmp r0, #0
beq _0223BB80
ldr r1, [sp, #0x1c]
add r0, sp, #0x38
bl BN_ucmp
cmp r0, #0
blt _0223B8CC
add r0, sp, #0x38
ldr r2, [sp, #0x1c]
mov r1, r0
bl BN_usub
cmp r0, #0
beq _0223BB80
ldr r0, [sp, #0x20]
mov r2, #1
str r2, [r0, #0]
ldr r0, [r8, #4]
ldr r1, [r8]
sub r0, r0, #1
str r2, [r1, r0, lsl #2]
b _0223B8D8
_0223B8CC:
ldr r0, [r8, #4]
sub r0, r0, #1
str r0, [r8, #4]
_0223B8D8:
ldr r0, [sp, #0x10]
sub r1, r0, #1
ldr r0, [sp, #0x20]
cmp r1, #0
sub r0, r0, #4
str r0, [sp, #0x20]
mov r0, #0
str r0, [sp, #0xc]
ble _0223BB28
ldr r8, _0223BB90 ; =0x0000FFFF
cmp r1, #0
and r0, r5, r8
str r0, [sp, #0x2c]
and r0, r8, r5, lsr #16
str r0, [sp, #0x30]
ldr r0, [sp, #0x24]
and r4, r0, r8
ble _0223BB28
and sb, r8, r0, lsr #16
mvn r0, #0
str r0, [sp, #0x34]
_0223B92C:
ldr r1, [sp, #0x38]
ldr r0, [sp, #0x3c]
sub r1, r1, #4
add r0, r0, #1
str r0, [sp, #0x3c]
str r1, [sp, #0x38]
ldr fp, [r7]
ldr r0, [sp, #0x24]
ldr r5, [r7, #-4]
cmp fp, r0
ldreq r6, [sp, #0x34]
beq _0223B970
ldr r2, [sp, #0x24]
mov r0, fp
mov r1, r5
bl bn_div_words
mov r6, r0
_0223B970:
ldr r0, [sp, #0x2c]
and r2, r6, r8
mul ip, r0, r2
ldr r0, [sp, #0x30]
and lr, r8, r6, lsr #16
ldr r1, [sp, #0x30]
mul r0, r2, r0
mul r3, r1, lr
ldr r1, [sp, #0x2c]
mul sl, sb, lr
mla r1, lr, r1, r0
cmp r1, r0
addlo r3, r3, #0x10000
and r0, r8, r1, lsr #16
add r3, r3, r0
and r0, r1, r8
add ip, ip, r0, lsl #16
cmp ip, r0, lsl #16
mul r0, r2, sb
mul r1, r4, r2
mla r2, lr, r4, r0
addlo r3, r3, #1
cmp r2, r0
addlo sl, sl, #0x10000
and r0, r8, r2, lsr #16
add sl, sl, r0
and r0, r2, r8
add r1, r1, r0, lsl #16
cmp r1, r0, lsl #16
addlo sl, sl, #1
sub r1, r5, r1
cmp r1, r5
addhi sl, sl, #1
subs r0, fp, sl
bne _0223BA20
cmp r3, r1
blo _0223BA20
cmp r3, r1
bne _0223BA18
ldr r0, [r7, #-8]
cmp ip, r0
bls _0223BA20
_0223BA18:
sub r6, r6, #1
b _0223B970
_0223BA20:
ldr r0, [sp, #0x14]
ldr r1, [sp, #0x1c]
ldr r0, [r0, #0]
ldr r1, [r1, #0]
ldr r2, [sp, #0x28]
mov r3, r6
bl bn_mul_words
ldr r1, [sp, #0x14]
ldr r2, [sp, #0x28]
ldr r3, [r1, #0]
ldr r1, [sp, #0x28]
str r0, [r3, r2, lsl #2]
add r1, r1, #1
cmp r1, #0
ble _0223BA80
ldr r0, [sp, #0x14]
ldr r2, [r0, #0]
_0223BA64:
sub r0, r1, #1
ldr r0, [r2, r0, lsl #2]
cmp r0, #0
bne _0223BA80
sub r1, r1, #1
cmp r1, #0
bgt _0223BA64
_0223BA80:
ldr r0, [sp, #0x14]
ldr r2, [sp, #0x14]
str r1, [r0, #4]
add r0, sp, #0x38
mov r1, r0
ldr r5, [sp, #0x3c]
bl BN_sub
ldr r0, [sp, #0x18]
ldr r1, [r0, #4]
ldr r0, [sp, #0x3c]
add r0, r1, r0
sub r1, r0, r5
ldr r0, [sp, #0x18]
str r1, [r0, #4]
ldr r0, [sp, #0x44]
cmp r0, #0
beq _0223BAF8
add r0, sp, #0x38
ldr r2, [sp, #0x1c]
mov r1, r0
sub r6, r6, #1
ldr r5, [sp, #0x3c]
bl BN_add
ldr r0, [sp, #0x18]
ldr r1, [r0, #4]
ldr r0, [sp, #0x3c]
sub r0, r0, r5
add r1, r1, r0
ldr r0, [sp, #0x18]
str r1, [r0, #4]
_0223BAF8:
ldr r0, [sp, #0x20]
sub r7, r7, #4
str r6, [r0, #0], #-4
str r0, [sp, #0x20]
ldr r0, [sp, #0xc]
add r0, r0, #1
str r0, [sp, #0xc]
ldr r0, [sp, #0x10]
sub r1, r0, #1
ldr r0, [sp, #0xc]
cmp r0, r1
blt _0223B92C
_0223BB28:
ldr r0, [sp, #0x18]
bl bn_fix_top
ldr r0, [sp]
cmp r0, #0
beq _0223BB70
ldr r2, [sp, #8]
ldr r3, [sp, #4]
ldr r1, [sp, #0x18]
add r2, r2, #0x20
ldr r4, [r3, #0xc]
bl BN_rshift
cmp r0, #0
addeq sp, sp, #0x4c
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bxeq lr
ldr r0, [sp]
str r4, [r0, #0xc]
_0223BB70:
add sp, sp, #0x4c
mov r0, #1
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
_0223BB80:
mov r0, #0
add sp, sp, #0x4c
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
; .align 2, 0
_0223BB90: .word 0x0000FFFF
arm_func_end BN_div
arm_func_start bn_mul_normal
bn_mul_normal: ; 0x0223BB94
stmfd sp!, {r4, r5, r6, r7, r8, sb, lr}
sub sp, sp, #4
ldr r5, [sp, #0x20]
mov r7, r2
mov sb, r0
mov r8, r1
mov r6, r3
cmp r7, r5
bge _0223BBD0
mov r1, r7
mov r0, r8
mov r7, r5
mov r8, r6
mov r5, r1
mov r6, r0
_0223BBD0:
ldr r3, [r6, #0]
mov r0, sb
mov r1, r8
mov r2, r7
add r4, sb, r7, lsl #2
bl bn_mul_words
str r0, [sb, r7, lsl #2]
_0223BBEC:
sub r0, r5, #1
cmp r0, #0
addle sp, sp, #4
ldmleia sp!, {r4, r5, r6, r7, r8, sb, lr}
bxle lr
ldr r3, [r6, #4]
mov r1, r8
mov r2, r7
add r0, sb, #4
bl bn_mul_add_words
sub r1, r5, #2
cmp r1, #0
addle sp, sp, #4
str r0, [r4, #4]
ldmleia sp!, {r4, r5, r6, r7, r8, sb, lr}
bxle lr
ldr r3, [r6, #8]
mov r1, r8
mov r2, r7
add r0, sb, #8
bl bn_mul_add_words
sub r1, r5, #3
cmp r1, #0
addle sp, sp, #4
str r0, [r4, #8]
ldmleia sp!, {r4, r5, r6, r7, r8, sb, lr}
bxle lr
ldr r3, [r6, #0xc]
mov r1, r8
mov r2, r7
add r0, sb, #0xc
bl bn_mul_add_words
sub r5, r5, #4
cmp r5, #0
addle sp, sp, #4
str r0, [r4, #0xc]
ldmleia sp!, {r4, r5, r6, r7, r8, sb, lr}
bxle lr
ldr r3, [r6, #0x10]
mov r1, r8
mov r2, r7
add r0, sb, #0x10
bl bn_mul_add_words
str r0, [r4, #0x10]
add r4, r4, #0x10
add sb, sb, #0x10
add r6, r6, #0x10
b _0223BBEC
add sp, sp, #4
ldmia sp!, {r4, r5, r6, r7, r8, sb, lr}
bx lr
arm_func_end bn_mul_normal
arm_func_start BN_mul
BN_mul: ; 0x0223BCB8
stmfd sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
sub sp, sp, #4
mov sb, r1
ldr r6, [sb, #4]
mov r8, r2
mov sl, r0
cmp r6, #0
ldr r5, [r8, #4]
beq _0223BCE4
cmp r5, #0
bne _0223BD00
_0223BCE4:
mov r0, sl
mov r1, #0
bl BN_set_word
add sp, sp, #4
mov r0, #1
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
_0223BD00:
ldr r1, [sb, #0xc]
ldr r0, [r8, #0xc]
cmp sl, sb
add r7, r6, r5
eor fp, r1, r0
beq _0223BD20
cmp sl, r8
bne _0223BD38
_0223BD20:
ldr r0, [r3, #0]
add r2, r3, #4
add r1, r0, #1
mov r0, #0x14
mla r4, r1, r0, r2
b _0223BD3C
_0223BD38:
mov r4, sl
_0223BD3C:
ldr r0, [r4, #8]
cmp r7, r0
movle r0, r4
ble _0223BD58
mov r0, r4
mov r1, r7
bl bn_expand2
_0223BD58:
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bxeq lr
str r7, [r4, #4]
str r5, [sp]
ldr r0, [r4, #0]
ldr r1, [sb]
ldr r3, [r8]
mov r2, r6
bl bn_mul_normal
mov r0, r4
str fp, [sl, #0xc]
bl bn_fix_top
cmp sl, r4
beq _0223BDA8
mov r0, sl
mov r1, r4
bl BN_copy
_0223BDA8:
mov r0, #1
add sp, sp, #4
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
arm_func_end BN_mul
arm_func_start BN_sub
BN_sub: ; 0x0223BDB8
stmfd sp!, {r4, r5, r6, r7, lr}
sub sp, sp, #4
mov r6, r1
ldr r1, [r6, #0xc]
mov r3, #0
mov r7, r0
mov r5, r2
mov r4, r3
cmp r1, #0
beq _0223BE00
ldr r0, [r5, #0xc]
cmp r0, #0
movne r0, r6
moveq r3, #1
movne r6, r5
movne r5, r0
moveq r4, r3
b _0223BE0C
_0223BE00:
ldr r0, [r5, #0xc]
cmp r0, #0
movne r3, #1
_0223BE0C:
cmp r3, #0
beq _0223BE40
mov r0, r7
mov r1, r6
mov r2, r5
bl BN_uadd
cmp r0, #0
moveq r0, #0
add sp, sp, #4
strne r4, [r7, #0xc]
movne r0, #1
ldmia sp!, {r4, r5, r6, r7, lr}
bx lr
_0223BE40:
ldr r0, [r5, #4]
ldr r1, [r6, #4]
cmp r1, r0
movle r1, r0
ldr r0, [r7, #8]
cmp r1, r0
movle r0, r7
ble _0223BE68
mov r0, r7
bl bn_expand2
_0223BE68:
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, lr}
bxeq lr
mov r0, r6
mov r1, r5
bl BN_ucmp
cmp r0, #0
bge _0223BEC0
mov r0, r7
mov r1, r5
mov r2, r6
bl BN_usub
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, lr}
bxeq lr
mov r0, #1
str r0, [r7, #0xc]
b _0223BEEC
_0223BEC0:
mov r0, r7
mov r1, r6
mov r2, r5
bl BN_usub
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, lr}
bxeq lr
mov r0, #0
str r0, [r7, #0xc]
_0223BEEC:
mov r0, #1
add sp, sp, #4
ldmia sp!, {r4, r5, r6, r7, lr}
bx lr
arm_func_end BN_sub
arm_func_start BN_usub
BN_usub: ; 0x0223BEFC
stmfd sp!, {r4, r5, r6, r7, r8, sb, sl, lr}
mov r8, r1
mov r7, r2
ldr r5, [r7, #4]
ldr r6, [r8, #4]
mov r4, r0
cmp r6, r5
movlt r0, #0
ldmltia sp!, {r4, r5, r6, r7, r8, sb, sl, lr}
bxlt lr
ldr r1, [r4, #8]
cmp r6, r1
ble _0223BF38
mov r1, r6
bl bn_expand2
_0223BF38:
cmp r0, #0
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, r8, sb, sl, lr}
bxeq lr
mov r3, #0
mov r0, r3
cmp r5, #0
ldr r2, [r8]
ldr sb, [r7]
ldr r1, [r4, #0]
ble _0223BFB8
mov ip, r3
mov r7, r3
mov lr, #1
_0223BF70:
cmp r3, #0
ldr sl, [r2], #4
ldr r8, [sb], #4
beq _0223BF98
cmp sl, r8
movls r3, lr
sub r8, sl, r8
movhi r3, ip
sub sl, r8, #1
b _0223BFA8
_0223BF98:
cmp sl, r8
movlo r3, lr
movhs r3, r7
sub sl, sl, r8
_0223BFA8:
add r0, r0, #1
cmp r0, r5
str sl, [r1], #4
blt _0223BF70
_0223BFB8:
cmp r3, #0
beq _0223BFE8
cmp r0, r6
bge _0223BFE8
_0223BFC8:
ldr r5, [r2, #0], #4
add r0, r0, #1
sub r3, r5, #1
cmp r5, r3
str r3, [r1, #0], #4
bhi _0223BFE8
cmp r0, r6
blt _0223BFC8
_0223BFE8:
cmp r1, r2
beq _0223C048
_0223BFF0:
cmp r0, r6
bge _0223C048
ldr r5, [r2, #0]
add r3, r0, #1
str r5, [r1, #0]
cmp r3, r6
bge _0223C048
ldr r5, [r2, #4]
add r3, r0, #2
str r5, [r1, #4]
cmp r3, r6
bge _0223C048
ldr r5, [r2, #8]
add r3, r0, #3
str r5, [r1, #8]
cmp r3, r6
ldrlt r3, [r2, #0xc]
add r0, r0, #4
strlt r3, [r1, #0xc]
addlt r2, r2, #0x10
addlt r1, r1, #0x10
blt _0223BFF0
_0223C048:
mov r0, r4
str r6, [r4, #4]
bl bn_fix_top
mov r0, #1
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, lr}
bx lr
arm_func_end BN_usub
arm_func_start BN_uadd
BN_uadd: ; 0x0223C060
stmfd sp!, {r4, r5, r6, r7, r8, sb, lr}
sub sp, sp, #4
mov r4, r1
mov r8, r2
ldr r2, [r4, #4]
ldr r1, [r8, #4]
mov sb, r0
cmp r2, r1
movlt r0, r4
movlt r4, r8
movlt r8, r0
ldr r6, [r4, #4]
ldr r0, [sb, #8]
add r1, r6, #1
cmp r1, r0
ldr r7, [r8, #4]
movle r0, sb
ble _0223C0B0
mov r0, sb
bl bn_expand2
_0223C0B0:
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, r8, sb, lr}
bxeq lr
str r6, [sb, #4]
ldr r5, [r4, #0]
ldr r4, [sb]
ldr r2, [r8]
mov r0, r4
mov r1, r5
mov r3, r7
bl bn_add_words
cmp r0, #0
add r4, r4, r7, lsl #2
add r5, r5, r7, lsl #2
beq _0223C148
cmp r7, r6
bge _0223C128
_0223C0FC:
ldr r2, [r5, #0], #4
mov r3, r4
add r1, r2, #1
str r1, [r4, #0], #4
ldr r1, [r3, #0]
add r7, r7, #1
cmp r1, r2
movhs r0, #0
bhs _0223C128
cmp r7, r6
blt _0223C0FC
_0223C128:
cmp r7, r6
blt _0223C148
cmp r0, #0
movne r0, #1
strne r0, [r4], #4
ldrne r0, [sb, #4]
addne r0, r0, #1
strne r0, [sb, #4]
_0223C148:
cmp r4, r5
beq _0223C16C
cmp r7, r6
bge _0223C16C
_0223C158:
ldr r0, [r5, #0], #4
add r7, r7, #1
cmp r7, r6
str r0, [r4, #0], #4
blt _0223C158
_0223C16C:
mov r0, #1
add sp, sp, #4
ldmia sp!, {r4, r5, r6, r7, r8, sb, lr}
bx lr
arm_func_end BN_uadd
arm_func_start BN_add
BN_add: ; 0x0223C17C
stmfd sp!, {r4, r5, r6, lr}
mov r5, r1
mov r4, r2
ldr r2, [r5, #0xc]
ldr r1, [r4, #0xc]
mov r6, r0
eors r0, r2, r1
beq _0223C220
cmp r2, #0
movne r0, r5
movne r5, r4
movne r4, r0
mov r0, r5
mov r1, r4
bl BN_ucmp
cmp r0, #0
bge _0223C1EC
mov r0, r6
mov r1, r4
mov r2, r5
bl BN_usub
cmp r0, #0
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, lr}
bxeq lr
mov r0, #1
str r0, [r6, #0xc]
b _0223C214
_0223C1EC:
mov r0, r6
mov r1, r5
mov r2, r4
bl BN_usub
cmp r0, #0
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, lr}
bxeq lr
mov r0, #0
str r0, [r6, #0xc]
_0223C214:
mov r0, #1
ldmia sp!, {r4, r5, r6, lr}
bx lr
_0223C220:
cmp r2, #0
movne r0, #1
strne r0, [r6, #0xc]
moveq r0, #0
streq r0, [r6, #0xc]
mov r0, r6
mov r1, r5
mov r2, r4
bl BN_uadd
cmp r0, #0
moveq r0, #0
movne r0, #1
ldmia sp!, {r4, r5, r6, lr}
bx lr
arm_func_end BN_add
arm_func_start BN_sub_word
BN_sub_word: ; 0x0223C258
stmfd sp!, {r4, r5, lr}
sub sp, sp, #4
movs r4, r1
mov r5, r0
addeq sp, sp, #4
moveq r0, #1
ldmeqia sp!, {r4, r5, lr}
bxeq lr
ldr r2, [r5, #0xc]
cmp r2, #0
beq _0223C2A4
mov r2, #0
str r2, [r5, #0xc]
bl BN_add_word
mov r1, #1
add sp, sp, #4
str r1, [r5, #0xc]
ldmia sp!, {r4, r5, lr}
bx lr
_0223C2A4:
ldr r1, [r5, #4]
cmp r1, #1
bgt _0223C348
cmp r1, #0
bne _0223C300
ldr r1, [r5, #8]
cmp r1, #1
bge _0223C2CC
mov r1, #1
bl bn_expand2
_0223C2CC:
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, lr}
bxeq lr
ldr r1, [r5, #0]
mov r0, #1
str r4, [r1, #0]
str r0, [r5, #0xc]
add sp, sp, #4
str r0, [r5, #4]
ldmia sp!, {r4, r5, lr}
bx lr
_0223C300:
ldr r2, [r5, #0]
ldr r1, [r2, #0]
cmp r1, r4
moveq r0, #0
streq r0, [r5, #4]
beq _0223C338
cmp r1, r4
subhi r0, r1, r4
strhi r0, [r2]
movls r0, #1
strls r0, [r5, #0xc]
ldrls r0, [r5]
subls r1, r4, r1
strls r1, [r0]
_0223C338:
add sp, sp, #4
mov r0, #1
ldmia sp!, {r4, r5, lr}
bx lr
_0223C348:
mov r0, #0
mov r1, #1
_0223C350:
ldr ip, [r5]
mov r3, r0, lsl #2
ldr r2, [ip, r0, lsl #2]
cmp r2, r4
ldrhs r1, [ip, r3]
subhs r1, r1, r4
strhs r1, [ip, r3]
bhs _0223C388
ldr r2, [ip, r3]
add r0, r0, #1
sub r2, r2, r4
mov r4, r1
str r2, [ip, r3]
b _0223C350
_0223C388:
ldr r1, [r5, #0]
ldr r1, [r1, r3]
cmp r1, #0
bne _0223C3A8
ldr r1, [r5, #4]
sub r1, r1, #1
cmp r0, r1
streq r1, [r5, #4]
_0223C3A8:
mov r0, #1
add sp, sp, #4
ldmia sp!, {r4, r5, lr}
bx lr
arm_func_end BN_sub_word
arm_func_start BN_add_word
BN_add_word: ; 0x0223C3B8
stmfd sp!, {r4, r5, lr}
sub sp, sp, #4
movs r4, r1
mov r5, r0
addeq sp, sp, #4
moveq r0, #1
ldmeqia sp!, {r4, r5, lr}
bxeq lr
ldr r2, [r5, #0xc]
cmp r2, #0
beq _0223C460
ldr r2, [r5, #4]
cmp r2, #1
ble _0223C410
mov r2, #0
str r2, [r5, #0xc]
bl BN_sub_word
mov r1, #1
add sp, sp, #4
str r1, [r5, #0xc]
ldmia sp!, {r4, r5, lr}
bx lr
_0223C410:
ldr r2, [r5, #0]
ldr r1, [r2, #0]
cmp r1, r4
subhi r0, r1, r4
strhi r0, [r2]
bhi _0223C450
cmp r1, r4
movhs r0, #0
strhs r0, [r5, #0xc]
strhs r0, [r5, #4]
bhs _0223C450
mov r0, #0
str r0, [r5, #0xc]
ldr r0, [r5, #0]
sub r1, r4, r1
str r1, [r0, #0]
_0223C450:
add sp, sp, #4
mov r0, #1
ldmia sp!, {r4, r5, lr}
bx lr
_0223C460:
ldr r1, [r5, #4]
ldr r2, [r5, #8]
add r1, r1, #1
cmp r1, r2
ble _0223C478
bl bn_expand2
_0223C478:
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, lr}
bxeq lr
ldr r1, [r5, #0]
ldr r0, [r5, #4]
mov r3, #0
str r3, [r1, r0, lsl #2]
mov r0, #1
_0223C4A0:
ldr r2, [r5, #0]
ldr r1, [r2, r3, lsl #2]
add r1, r4, r1
cmp r4, r1
str r1, [r2, r3, lsl #2]
movhi r4, r0
addhi r3, r3, #1
bhi _0223C4A0
ldr r0, [r5, #4]
cmp r3, r0
addge r0, r0, #1
strge r0, [r5, #4]
mov r0, #1
add sp, sp, #4
ldmia sp!, {r4, r5, lr}
bx lr
arm_func_end BN_add_word
arm_func_start BN_rshift
BN_rshift: ; 0x0223C4E0
stmfd sp!, {r4, r5, r6, r7, r8, lr}
mov r7, r1
mov r1, r2, asr #4
mov r3, r2, lsr #0x1f
add r1, r2, r1, lsr #27
rsb r2, r3, r2, lsl #27
add r4, r3, r2, ror #27
ldr r2, [r7, #4]
mov r6, r1, asr #5
mov r8, r0
cmp r6, r2
rsb r5, r4, #0x20
ble _0223C528
mov r1, #0
bl BN_set_word
mov r0, #1
ldmia sp!, {r4, r5, r6, r7, r8, lr}
bx lr
_0223C528:
cmp r8, r7
beq _0223C560
sub r1, r2, r6
ldr r2, [r8, #8]
add r1, r1, #2
cmp r1, r2
ble _0223C548
bl bn_expand2
_0223C548:
cmp r0, #0
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, r8, lr}
bxeq lr
ldr r0, [r7, #0xc]
str r0, [r8, #0xc]
_0223C560:
ldr r0, [r7, #0]
ldr r1, [r7, #4]
add r2, r0, r6, lsl #2
ldr r0, [r8]
sub r7, r1, r6
mov r6, r2
str r7, [r8, #4]
cmp r4, #0
bne _0223C5A8
add r2, r7, #1
cmp r2, #0
ble _0223C5E8
_0223C590:
ldr r1, [r6, #0], #4
sub r2, r2, #1
cmp r2, #0
str r1, [r0, #0], #4
bgt _0223C590
b _0223C5E8
_0223C5A8:
cmp r7, #1
add r6, r2, #4
ldr r3, [r2, #0]
mov r2, #1
ble _0223C5D8
_0223C5BC:
mov r1, r3, lsr r4
ldr r3, [r6, #0], #4
add r2, r2, #1
orr r1, r1, r3, lsl r5
cmp r2, r7
str r1, [r0, #0], #4
blt _0223C5BC
_0223C5D8:
mov r1, r3, lsr r4
str r1, [r0, #0]
mov r1, #0
str r1, [r0, #4]
_0223C5E8:
mov r0, r8
bl bn_fix_top
mov r0, #1
ldmia sp!, {r4, r5, r6, r7, r8, lr}
bx lr
arm_func_end BN_rshift
arm_func_start BN_lshift
BN_lshift: ; 0x0223C5FC
stmfd sp!, {r4, r5, r6, r7, r8, sb, sl, lr}
mov r4, r1
mov r7, r2
mov r1, r7, asr #4
mov r5, r0
add r2, r7, r1, lsr #27
ldr r1, [r4, #4]
ldr r3, [r5, #8]
add r1, r1, r2, asr #5
add r1, r1, #1
cmp r1, r3
mov r6, r2, asr #5
ble _0223C634
bl bn_expand2
_0223C634:
cmp r0, #0
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, r8, sb, sl, lr}
bxeq lr
ldr r0, [r4, #0xc]
mov r1, r7, lsr #0x1f
str r0, [r5, #0xc]
ldr r3, [r4, #4]
rsb r0, r1, r7, lsl #27
adds ip, r1, r0, ror #27
ldr r2, [r4, #0]
ldr r0, [r5, #0]
add r1, r3, r6
mov r3, #0
str r3, [r0, r1, lsl #2]
rsb r3, ip, #0x20
bne _0223C69C
ldr r1, [r4, #4]
subs r7, r1, #1
bmi _0223C6D0
_0223C684:
ldr r3, [r2, r7, lsl #2]
add r1, r6, r7
str r3, [r0, r1, lsl #2]
subs r7, r7, #1
bpl _0223C684
b _0223C6D0
_0223C69C:
ldr r1, [r4, #4]
subs r1, r1, #1
bmi _0223C6D0
_0223C6A8:
add sb, r6, r1
add r8, sb, #1
ldr sl, [r2, r1, lsl #2]
ldr lr, [r0, r8, lsl #2]
mov r7, sl, lsl ip
orr lr, lr, sl, lsr r3
str lr, [r0, r8, lsl #2]
str r7, [r0, sb, lsl #2]
subs r1, r1, #1
bpl _0223C6A8
_0223C6D0:
mov r2, r6, lsl #2
mov r1, #0
bl MI_CpuFill8
ldr r1, [r4, #4]
mov r0, r5
add r1, r1, r6
add r1, r1, #1
str r1, [r5, #4]
bl bn_fix_top
mov r0, #1
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, lr}
bx lr
arm_func_end BN_lshift
arm_func_start bn_sub_words
bn_sub_words: ; 0x0223C700
stmfd sp!, {r4, r5, r6, r7, r8, sb, sl, lr}
cmp r3, #0
movle r0, #0
ldmleia sp!, {r4, r5, r6, r7, r8, sb, sl, lr}
bxle lr
mov r6, #0
mov r4, r6
mov lr, r6
mov ip, r6
mov r7, r6
mov r5, #1
_0223C72C:
ldr sl, [r1]
ldr sb, [r2]
sub r8, sl, sb
sub r8, r8, r6
str r8, [r0]
cmp sl, sb
beq _0223C754
cmp sl, sb
movlo r6, r5
movhs r6, r4
_0223C754:
sub r8, r3, #1
cmp r8, #0
ble _0223C808
ldr sl, [r1, #4]
ldr sb, [r2, #4]
sub r8, sl, sb
sub r8, r8, r6
str r8, [r0, #4]
cmp sl, sb
beq _0223C788
cmp sl, sb
movlo r6, r5
movhs r6, lr
_0223C788:
sub r8, r3, #2
cmp r8, #0
ble _0223C808
ldr sl, [r1, #8]
ldr sb, [r2, #8]
sub r8, sl, sb
sub r8, r8, r6
str r8, [r0, #8]
cmp sl, sb
beq _0223C7BC
cmp sl, sb
movlo r6, r5
movhs r6, ip
_0223C7BC:
sub r8, r3, #3
cmp r8, #0
ble _0223C808
ldr sl, [r1, #0xc]
ldr sb, [r2, #0xc]
sub r8, sl, sb
sub r8, r8, r6
str r8, [r0, #0xc]
cmp sl, sb
beq _0223C7F0
cmp sl, sb
movlo r6, r5
movhs r6, r7
_0223C7F0:
sub r3, r3, #4
cmp r3, #0
addgt r1, r1, #0x10
addgt r2, r2, #0x10
addgt r0, r0, #0x10
bgt _0223C72C
_0223C808:
mov r0, r6
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, lr}
bx lr
arm_func_end bn_sub_words
arm_func_start bn_add_words
bn_add_words: ; 0x0223C814
stmfd sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
sub sp, sp, #0xc
cmp r3, #0
addle sp, sp, #0xc
movle r0, #0
ldmleia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bxle lr
mov ip, #0
mov r7, ip
mov r6, ip
mov r5, ip
mov r4, ip
mov lr, ip
mov fp, ip
str ip, [sp]
str ip, [sp, #4]
mov r8, #1
_0223C858:
ldr sb, [r1]
add sl, sb, ip
ldr sb, [r2]
cmp sl, ip
movlo ip, r8
add sb, sl, sb
movhs ip, r7
cmp sb, sl
movlo sl, r8
movhs sl, r6
str sb, [r0]
sub sb, r3, #1
add ip, ip, sl
cmp sb, #0
ble _0223C954
ldr sb, [r1, #4]
ldr sl, [r2, #4]
add sb, sb, ip
cmp sb, ip
movlo ip, r8
add sl, sb, sl
movhs ip, r5
cmp sl, sb
movlo sb, r8
movhs sb, r4
add ip, ip, sb
sub sb, r3, #2
str sl, [r0, #4]
cmp sb, #0
ble _0223C954
ldr sb, [r1, #8]
ldr sl, [r2, #8]
add sb, sb, ip
cmp sb, ip
movlo ip, r8
add sl, sb, sl
movhs ip, lr
cmp sl, sb
movlo sb, r8
movhs sb, fp
add ip, ip, sb
sub sb, r3, #3
str sl, [r0, #8]
cmp sb, #0
ble _0223C954
ldr sb, [r1, #0xc]
ldr sl, [r2, #0xc]
add sb, sb, ip
cmp sb, ip
movlo ip, r8
add sl, sb, sl
ldrhs ip, [sp]
cmp sl, sb
movlo sb, r8
ldrhs sb, [sp, #4]
sub r3, r3, #4
cmp r3, #0
str sl, [r0, #0xc]
add ip, ip, sb
addgt r1, r1, #0x10
addgt r2, r2, #0x10
addgt r0, r0, #0x10
bgt _0223C858
_0223C954:
mov r0, ip
add sp, sp, #0xc
ldmia sp!, {r4, r5, r6, r7, r8, sb, sl, fp, lr}
bx lr
arm_func_end bn_add_words
arm_func_start bn_sqr_words
bn_sqr_words: ; 0x0223C964
stmfd sp!, {r4, r5, r6, r7, r8, lr}
cmp r2, #0
ldmleia sp!, {r4, r5, r6, r7, r8, lr}
bxle lr
mov r3, #0x8000
ldr lr, _0223CAB4 ; =0x0000FFFF
rsb ip, r3, #0
_0223C980:
ldr r5, [r1, #0]
mov r3, #0x8000
and r4, r5, lr
and r7, lr, r5, lsr #16
mul r6, r4, r7
mul r5, r4, r4
and r4, r6, lr
add r8, r5, r4, lsl #17
rsb r3, r3, #0
mul r5, r7, r7
and r3, r6, r3
add r3, r5, r3, lsr #15
cmp r8, r4, lsl #17
addlo r3, r3, #1
str r8, [r0]
str r3, [r0, #4]
subs r3, r2, #1
ldmeqia sp!, {r4, r5, r6, r7, r8, lr}
bxeq lr
ldr r4, [r1, #4]
and r7, lr, r4, lsr #16
and r3, r4, lr
mul r6, r3, r7
mul r4, r3, r3
and r3, r6, lr
add r8, r4, r3, lsl #17
mul r5, r7, r7
and r4, r6, ip
cmp r8, r3, lsl #17
add r3, r5, r4, lsr #15
addlo r3, r3, #1
str r8, [r0, #8]
str r3, [r0, #0xc]
subs r3, r2, #2
ldmeqia sp!, {r4, r5, r6, r7, r8, lr}
bxeq lr
ldr r5, [r1, #8]
mov r3, #0x8000
and r4, r5, lr
and r7, lr, r5, lsr #16
mul r6, r4, r7
mul r5, r4, r4
and r4, r6, lr
add r8, r5, r4, lsl #17
rsb r3, r3, #0
mul r5, r7, r7
and r3, r6, r3
add r3, r5, r3, lsr #15
cmp r8, r4, lsl #17
addlo r3, r3, #1
str r8, [r0, #0x10]
str r3, [r0, #0x14]
subs r3, r2, #3
ldmeqia sp!, {r4, r5, r6, r7, r8, lr}
bxeq lr
ldr r5, [r1, #0xc]
mov r3, #0x8000
and r4, r5, lr
and r7, lr, r5, lsr #16
mul r6, r4, r7
mul r5, r4, r4
and r4, r6, lr
add r8, r5, r4, lsl #17
rsb r3, r3, #0
mul r5, r7, r7
and r3, r6, r3
add r3, r5, r3, lsr #15
cmp r8, r4, lsl #17
addlo r3, r3, #1
str r8, [r0, #0x18]
subs r2, r2, #4
str r3, [r0, #0x1c]
addne r1, r1, #0x10
addne r0, r0, #0x20
bne _0223C980
ldmia sp!, {r4, r5, r6, r7, r8, lr}
bx lr
; .align 2, 0
_0223CAB4: .word 0x0000FFFF
arm_func_end bn_sqr_words
arm_func_start bn_mul_words
bn_mul_words: ; 0x0223CAB8
stmfd sp!, {r4, r5, r6, r7, r8, sb, lr}
sub sp, sp, #4
cmp r2, #0
mov r4, #0
addle sp, sp, #4
movle r0, r4
ldmleia sp!, {r4, r5, r6, r7, r8, sb, lr}
bxle lr
ldr r5, _0223CC54 ; =0x0000FFFF
and lr, r3, r5
and ip, r5, r3, lsr #16
_0223CAE4:
ldr r3, [r1, #0]
and r7, r5, r3, lsr #16
mul r6, lr, r7
and r3, r3, r5
mla sb, ip, r3, r6
mul r8, r3, lr
mul r3, r7, ip
cmp sb, r6
and r6, sb, r5
addlo r3, r3, #0x10000
and r7, r5, sb, lsr #16
add r8, r8, r6, lsl #16
cmp r8, r6, lsl #16
add r3, r3, r7
add r6, r8, r4
addlo r3, r3, #1
cmp r6, r4
addlo r3, r3, #1
str r6, [r0, #0]
mov r4, r3
subs r6, r2, #1
beq _0223CC44
ldr r4, [r1, #4]
and r7, r5, r4, lsr #16
mul r6, lr, r7
and r4, r4, r5
mla sb, ip, r4, r6
mul r8, r4, lr
mul r4, r7, ip
cmp sb, r6
and r6, sb, r5
addlo r4, r4, #0x10000
and r7, r5, sb, lsr #16
add r8, r8, r6, lsl #16
cmp r8, r6, lsl #16
add r4, r4, r7
add r6, r8, r3
addlo r4, r4, #1
cmp r6, r3
addlo r4, r4, #1
str r6, [r0, #4]
subs r3, r2, #2
beq _0223CC44
ldr r3, [r1, #8]
and r7, r5, r3, lsr #16
mul r6, lr, r7
and r3, r3, r5
mla sb, ip, r3, r6
mul r8, r3, lr
mul r3, r7, ip
cmp sb, r6
and r6, sb, r5
addlo r3, r3, #0x10000
and r7, r5, sb, lsr #16
add r8, r8, r6, lsl #16
cmp r8, r6, lsl #16
add r3, r3, r7
add r6, r8, r4
addlo r3, r3, #1
cmp r6, r4
addlo r3, r3, #1
str r6, [r0, #8]
mov r4, r3
subs r6, r2, #3
beq _0223CC44
ldr r4, [r1, #0xc]
and r7, r5, r4, lsr #16
mul r6, lr, r7
and r4, r4, r5
mla sb, ip, r4, r6
mul r8, r4, lr
mul r4, r7, ip
cmp sb, r6
and r6, sb, r5
addlo r4, r4, #0x10000
and r7, r5, sb, lsr #16
add r8, r8, r6, lsl #16
cmp r8, r6, lsl #16
add r4, r4, r7
add r6, r8, r3
addlo r4, r4, #1
cmp r6, r3
addlo r4, r4, #1
subs r2, r2, #4
str r6, [r0, #0xc]
addne r1, r1, #0x10
addne r0, r0, #0x10
bne _0223CAE4
_0223CC44:
mov r0, r4
add sp, sp, #4
ldmia sp!, {r4, r5, r6, r7, r8, sb, lr}
bx lr
; .align 2, 0
_0223CC54: .word 0x0000FFFF
arm_func_end bn_mul_words
arm_func_start bn_mul_add_words
bn_mul_add_words: ; 0x0223CC58
stmfd sp!, {r4, r5, r6, r7, r8, sb, lr}
sub sp, sp, #4
cmp r2, #0
mov ip, #0
addle sp, sp, #4
movle r0, ip
ldmleia sp!, {r4, r5, r6, r7, r8, sb, lr}
bxle lr
ldr r5, _0223CE34 ; =0x0000FFFF
and r4, r3, r5
and lr, r5, r3, lsr #16
_0223CC84:
ldr r3, [r1, #0]
and r7, r5, r3, lsr #16
mul r6, r4, r7
and r3, r3, r5
mla sb, lr, r3, r6
mul r8, r3, r4
mul r3, r7, lr
cmp sb, r6
and r6, sb, r5
addlo r3, r3, #0x10000
and r7, r5, sb, lsr #16
add r8, r8, r6, lsl #16
cmp r8, r6, lsl #16
add r3, r3, r7
ldr r6, [r0, #0]
addlo r3, r3, #1
add r7, r8, ip
cmp r7, ip
add r7, r7, r6
addlo r3, r3, #1
cmp r7, r6
addlo r3, r3, #1
mov ip, r3
str r7, [r0, #0]
subs r6, r2, #1
beq _0223CE24
ldr ip, [r1, #4]
and r7, r5, ip, lsr #16
mul r6, r4, r7
and ip, ip, r5
mla sb, lr, ip, r6
mul r8, ip, r4
mul ip, r7, lr
cmp sb, r6
and r6, sb, r5
addlo ip, ip, #0x10000
and r7, r5, sb, lsr #16
add r8, r8, r6, lsl #16
cmp r8, r6, lsl #16
add ip, ip, r7
add r6, r8, r3
addlo ip, ip, #1
cmp r6, r3
ldr r3, [r0, #4]
addlo ip, ip, #1
add r6, r6, r3
cmp r6, r3
addlo ip, ip, #1
str r6, [r0, #4]
subs r3, r2, #2
beq _0223CE24
ldr r3, [r1, #8]
and r7, r5, r3, lsr #16
mul r6, r4, r7
and r3, r3, r5
mla sb, lr, r3, r6
mul r8, r3, r4
mul r3, r7, lr
cmp sb, r6
and r6, sb, r5
addlo r3, r3, #0x10000
and r7, r5, sb, lsr #16
add r8, r8, r6, lsl #16
cmp r8, r6, lsl #16
add r3, r3, r7
ldr r6, [r0, #8]
addlo r3, r3, #1
add r7, r8, ip
cmp r7, ip
add r7, r7, r6
addlo r3, r3, #1
cmp r7, r6
addlo r3, r3, #1
mov ip, r3
str r7, [r0, #8]
subs r6, r2, #3
beq _0223CE24
ldr ip, [r1, #0xc]
and r7, r5, ip, lsr #16
mul r6, r4, r7
and ip, ip, r5
mla sb, lr, ip, r6
mul r8, ip, r4
mul ip, r7, lr
cmp sb, r6
and r6, sb, r5
addlo ip, ip, #0x10000
and r7, r5, sb, lsr #16
add r8, r8, r6, lsl #16
cmp r8, r6, lsl #16
add ip, ip, r7
add r6, r8, r3
addlo ip, ip, #1
cmp r6, r3
ldr r3, [r0, #0xc]
addlo ip, ip, #1
add r6, r6, r3
cmp r6, r3
addlo ip, ip, #1
subs r2, r2, #4
str r6, [r0, #0xc]
addne r1, r1, #0x10
addne r0, r0, #0x10
bne _0223CC84
_0223CE24:
mov r0, ip
add sp, sp, #4
ldmia sp!, {r4, r5, r6, r7, r8, sb, lr}
bx lr
; .align 2, 0
_0223CE34: .word 0x0000FFFF
arm_func_end bn_mul_add_words
arm_func_start BN_is_bit_set
BN_is_bit_set: ; 0x0223CE38
stmdb sp!, {lr}
sub sp, sp, #4
cmp r1, #0
addlt sp, sp, #4
movlt r0, #0
ldmltia sp!, {lr}
bxlt lr
mov r2, r1, asr #4
add r2, r1, r2, lsr #27
mov r3, r1, lsr #0x1f
ldr ip, [r0, #4]
mov lr, r2, asr #5
cmp ip, lr
rsb r1, r3, r1, lsl #27
addle sp, sp, #4
add r2, r3, r1, ror #27
movle r0, #0
ldmleia sp!, {lr}
bxle lr
ldr r1, [r0, #0]
mov r0, #1
mov r2, r0, lsl r2
ldr r1, [r1, lr, lsl #2]
ands r1, r2, r1
moveq r0, #0
add sp, sp, #4
ldmia sp!, {lr}
bx lr
arm_func_end BN_is_bit_set
arm_func_start BN_set_bit
BN_set_bit: ; 0x0223CEA8
stmfd sp!, {r4, r5, r6, lr}
mov r6, r0
mov r2, r1, asr #4
add r2, r1, r2, lsr #27
mov r3, r1, lsr #0x1f
rsb r1, r3, r1, lsl #27
ldr r4, [r6, #4]
mov r5, r2, asr #5
cmp r4, r5
add r4, r3, r1, ror #27
bgt _0223CF28
ldr r2, [r6, #8]
add r1, r5, #1
cmp r1, r2
ble _0223CEE8
bl bn_expand2
_0223CEE8:
cmp r0, #0
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, lr}
bxeq lr
ldr r3, [r6, #4]
add r2, r5, #1
cmp r3, r2
bge _0223CF20
mov r1, #0
_0223CF0C:
ldr r0, [r6, #0]
str r1, [r0, r3, lsl #2]
add r3, r3, #1
cmp r3, r2
blt _0223CF0C
_0223CF20:
add r0, r5, #1
str r0, [r6, #4]
_0223CF28:
ldr r2, [r6, #0]
mov r0, #1
ldr r1, [r2, r5, lsl #2]
orr r1, r1, r0, lsl r4
str r1, [r2, r5, lsl #2]
ldmia sp!, {r4, r5, r6, lr}
bx lr
arm_func_end BN_set_bit
arm_func_start BN_ucmp
BN_ucmp: ; 0x0223CF44
ldr r3, [r0, #4]
ldr r2, [r1, #4]
subs r2, r3, r2
movne r0, r2
bxne lr
subs r2, r3, #1
ldr ip, [r0]
ldr r3, [r1, #0]
bmi _0223CF90
_0223CF68:
ldr r1, [ip, r2, lsl #2]
ldr r0, [r3, r2, lsl #2]
cmp r1, r0
beq _0223CF88
cmp r1, r0
movhi r0, #1
mvnls r0, #0
bx lr
_0223CF88:
subs r2, r2, #1
bpl _0223CF68
_0223CF90:
mov r0, #0
bx lr
arm_func_end BN_ucmp
arm_func_start BN_bn2bin
BN_bn2bin: ; 0x0223CF98
stmfd sp!, {r4, r5, lr}
sub sp, sp, #4
mov r5, r0
mov r4, r1
bl BN_num_bits
add r1, r0, #7
mov r0, r1, asr #2
add r0, r1, r0, lsr #29
mov r0, r0, asr #3
cmp r0, #0
addle sp, sp, #4
sub ip, r0, #1
ldmleia sp!, {r4, r5, lr}
bxle lr
_0223CFD0:
mov r3, ip, lsr #0x1f
mov r1, ip, asr #1
rsb r2, r3, ip, lsl #30
add r1, ip, r1, lsr #30
add r2, r3, r2, ror #30
ldr r3, [r5, #0]
mov r1, r1, asr #2
ldr r3, [r3, r1, lsl #2]
mov r1, r2, lsl #3
mov r1, r3, lsr r1
cmp ip, #0
strb r1, [r4], #1
sub ip, ip, #1
bgt _0223CFD0
add sp, sp, #4
ldmia sp!, {r4, r5, lr}
bx lr
arm_func_end BN_bn2bin
arm_func_start BN_bin2bn
BN_bin2bn: ; 0x0223D014
stmfd sp!, {r4, r5, r6, r7, lr}
sub sp, sp, #4
movs r5, r2
mov r7, r0
mov r6, r1
bne _0223D034
bl BN_new
mov r5, r0
_0223D034:
cmp r5, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, lr}
bxeq lr
cmp r6, #0
mov r4, #0
addeq sp, sp, #4
moveq r0, r5
streq r4, [r5, #4]
ldmeqia sp!, {r4, r5, r6, r7, lr}
bxeq lr
add r0, r6, #2
mov r2, r0, lsl #3
add r1, r2, #0x1f
mov r0, r1, asr #4
add r0, r1, r0, lsr #27
ldr r1, [r5, #8]
mov r0, r0, asr #5
cmp r0, r1
movle r0, r5
ble _0223D0A4
mov r0, r2, asr #4
add r0, r2, r0, lsr #27
mov r1, r0, asr #5
mov r0, r5
add r1, r1, #1
bl bn_expand2
_0223D0A4:
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, r7, lr}
bxeq lr
sub r0, r6, #1
mov r1, r0, lsr #2
add ip, r1, #1
cmp r6, #0
str ip, [r5, #4]
and r3, r0, #3
sub r6, r6, #1
beq _0223D110
mov r1, #0
mov r0, #3
_0223D0E0:
ldrb r2, [r7], #1
cmp r3, #0
sub r3, r3, #1
orr r4, r2, r4, lsl #8
ldreq r2, [r5]
subeq ip, ip, #1
streq r4, [r2, ip, lsl #2]
moveq r4, r1
moveq r3, r0
cmp r6, #0
sub r6, r6, #1
bne _0223D0E0
_0223D110:
mov r0, r5
bl bn_fix_top
mov r0, r5
add sp, sp, #4
ldmia sp!, {r4, r5, r6, r7, lr}
bx lr
arm_func_end BN_bin2bn
arm_func_start BN_set_word
BN_set_word: ; 0x0223D128
stmfd sp!, {r4, r5, lr}
sub sp, sp, #4
mov r4, r0
ldr r2, [r4, #8]
mov r5, r1
cmp r2, #1
bge _0223D14C
mov r1, #2
bl bn_expand2
_0223D14C:
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, lr}
bxeq lr
mov r0, #0
str r0, [r4, #0xc]
str r0, [r4, #4]
ldr r0, [r4, #0]
str r5, [r0, #0]
ldr r0, [r4, #0]
ldr r0, [r0, #0]
cmp r0, #0
movne r0, #1
strne r0, [r4, #4]
mov r0, #1
add sp, sp, #4
ldmia sp!, {r4, r5, lr}
bx lr
arm_func_end BN_set_word
arm_func_start BN_clear
BN_clear: ; 0x0223D198
stmfd sp!, {r4, lr}
mov r4, r0
ldr r0, [r4, #0]
cmp r0, #0
beq _0223D1BC
ldr r2, [r4, #8]
mov r1, #0
mov r2, r2, lsl #2
bl MI_CpuFill8
_0223D1BC:
mov r0, #0
str r0, [r4, #4]
str r0, [r4, #0xc]
ldmia sp!, {r4, lr}
bx lr
arm_func_end BN_clear
arm_func_start BN_copy
BN_copy: ; 0x0223D1D0
stmfd sp!, {r4, r5, lr}
sub sp, sp, #4
mov r5, r0
mov r4, r1
cmp r5, r4
addeq sp, sp, #4
ldmeqia sp!, {r4, r5, lr}
bxeq lr
ldr r1, [r4, #4]
ldr r2, [r5, #8]
cmp r1, r2
ble _0223D204
bl bn_expand2
_0223D204:
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {r4, r5, lr}
bxeq lr
ldr r2, [r4, #4]
ldr r0, [r4, #0]
ldr r1, [r5, #0]
mov r2, r2, lsl #2
bl MI_CpuCopy8
ldr r0, [r4, #4]
str r0, [r5, #4]
ldr r0, [r5, #4]
cmp r0, #0
bne _0223D250
ldr r1, [r5, #0]
cmp r1, #0
movne r0, #0
strne r0, [r1]
_0223D250:
ldr r1, [r4, #0xc]
mov r0, r5
str r1, [r5, #0xc]
add sp, sp, #4
ldmia sp!, {r4, r5, lr}
bx lr
arm_func_end BN_copy
arm_func_start bn_expand2
bn_expand2: ; 0x0223D268
stmfd sp!, {r4, r5, r6, lr}
mov r5, r0
ldr r0, [r5, #8]
mov r4, r1
cmp r4, r0
ble _0223D2DC
ldr r0, [r5, #0x10]
ands r0, r0, #2
movne r0, #0
ldmneia sp!, {r4, r5, r6, lr}
bxne lr
add r0, r4, #1
mov r0, r0, lsl #2
bl CRYPTOi_MyAlloc
movs r6, r0
moveq r0, #0
ldmeqia sp!, {r4, r5, r6, lr}
bxeq lr
ldr r0, [r5, #0]
cmp r0, #0
beq _0223D2D4
ldr r2, [r5, #4]
mov r1, r6
mov r2, r2, lsl #2
bl MI_CpuCopy8
ldr r0, [r5, #0]
bl CRYPTOi_MyFree
_0223D2D4:
str r6, [r5, #0]
str r4, [r5, #8]
_0223D2DC:
mov r0, r5
ldmia sp!, {r4, r5, r6, lr}
bx lr
arm_func_end bn_expand2
arm_func_start BN_CTX_free
BN_CTX_free: ; 0x0223D2E8
stmfd sp!, {r4, r5, r6, lr}
mov r6, r0
add r4, r6, #4
mov r5, #0
_0223D2F8:
mov r0, r4
bl BN_clear_free
add r5, r5, #1
cmp r5, #0xc
add r4, r4, #0x14
blt _0223D2F8
ldr r0, [r6, #0x108]
ands r0, r0, #1
ldmeqia sp!, {r4, r5, r6, lr}
bxeq lr
mov r0, r6
bl CRYPTOi_MyFree
ldmia sp!, {r4, r5, r6, lr}
bx lr
arm_func_end BN_CTX_free
arm_func_start BN_CTX_init
BN_CTX_init: ; 0x0223D330
stmfd sp!, {r4, lr}
mov r1, #0
mov r2, #0x110
mov r4, r0
bl MI_CpuFill8
mov r0, #0
str r0, [r4, #0]
str r0, [r4, #0x108]
ldmia sp!, {r4, lr}
bx lr
arm_func_end BN_CTX_init
arm_func_start BN_CTX_new
BN_CTX_new: ; 0x0223D358
stmfd sp!, {r4, lr}
mov r0, #0x110
bl CRYPTOi_MyAlloc
movs r4, r0
moveq r0, #0
ldmeqia sp!, {r4, lr}
bxeq lr
bl BN_CTX_init
mov r1, #1
mov r0, r4
str r1, [r4, #0x108]
ldmia sp!, {r4, lr}
bx lr
arm_func_end BN_CTX_new
arm_func_start BN_new
BN_new: ; 0x0223D38C
stmdb sp!, {lr}
sub sp, sp, #4
mov r0, #0x14
bl CRYPTOi_MyAlloc
cmp r0, #0
addeq sp, sp, #4
moveq r0, #0
ldmeqia sp!, {lr}
bxeq lr
mov r1, #1
str r1, [r0, #0x10]
mov r1, #0
str r1, [r0, #4]
str r1, [r0, #0xc]
str r1, [r0, #8]
str r1, [r0, #0]
add sp, sp, #4
ldmia sp!, {lr}
bx lr
arm_func_end BN_new
arm_func_start BN_init
BN_init: ; 0x0223D3D8
ldr ip, _0223D3E8 ; =MI_CpuFill8
mov r1, #0
mov r2, #0x14
bx ip
; .align 2, 0
_0223D3E8: .word MI_CpuFill8
arm_func_end BN_init
arm_func_start bn_fix_top
bn_fix_top: ; 0x0223D3EC
ldr r3, [r0, #4]
cmp r3, #0
bxle lr
ldr r2, [r0, #0]
sub r1, r3, #1
cmp r3, #0
add r3, r2, r1, lsl #2
bxle lr
add r2, r0, #4
_0223D410:
ldr r1, [r3, #0], #-4
cmp r1, #0
bxne lr
ldr r1, [r2, #0]
sub r1, r1, #1
str r1, [r2, #0]
ldr r1, [r0, #4]
cmp r1, #0
bgt _0223D410
bx lr
arm_func_end bn_fix_top
arm_func_start bn_zexpand
bn_zexpand: ; 0x0223D438
stmfd sp!, {r4, r5, lr}
sub sp, sp, #4
mov r5, r0
ldr r2, [r5, #4]
mov r4, r1
cmp r2, r4
addge sp, sp, #4
ldmgeia sp!, {r4, r5, lr}
bxge lr
ldr r2, [r5, #8]
cmp r4, r2
ble _0223D46C
bl bn_expand2
_0223D46C:
ldr r0, [r5, #0]
cmp r0, #0
addeq sp, sp, #4
ldmeqia sp!, {r4, r5, lr}
bxeq lr
ldr r2, [r5, #4]
cmp r2, r4
addge sp, sp, #4
ldmgeia sp!, {r4, r5, lr}
bxge lr
mov r1, #0
_0223D498:
ldr r0, [r5, #0]
str r1, [r0, r2, lsl #2]
add r2, r2, #1
cmp r2, r4
blt _0223D498
add sp, sp, #4
ldmia sp!, {r4, r5, lr}
bx lr
arm_func_end bn_zexpand
arm_func_start BN_free
BN_free: ; 0x0223D4B8
stmfd sp!, {r4, lr}
movs r4, r0
ldmeqia sp!, {r4, lr}
bxeq lr
ldr r0, [r4, #0]
cmp r0, #0
beq _0223D4E4
ldr r1, [r4, #0x10]
ands r1, r1, #2
bne _0223D4E4
bl CRYPTOi_MyFree
_0223D4E4:
ldr r0, [r4, #0x10]
orr r0, r0, #0x8000
str r0, [r4, #0x10]
ldr r0, [r4, #0x10]
ands r0, r0, #1
ldmeqia sp!, {r4, lr}
bxeq lr
mov r0, r4
bl CRYPTOi_MyFree
ldmia sp!, {r4, lr}
bx lr
arm_func_end BN_free
arm_func_start BN_clear_free
BN_clear_free: ; 0x0223D510
stmfd sp!, {r4, lr}
movs r4, r0
ldmeqia sp!, {r4, lr}
bxeq lr
bl BN_clear
mov r0, r4
bl BN_free
ldmia sp!, {r4, lr}
bx lr
arm_func_end BN_clear_free
arm_func_start BN_num_bits
BN_num_bits: ; 0x0223D534
stmfd sp!, {r4, lr}
ldr r1, [r0, #4]
cmp r1, #0
moveq r0, #0
ldmeqia sp!, {r4, lr}
bxeq lr
ldr r0, [r0, #0]
sub r4, r1, #1
ldr r0, [r0, r4, lsl #2]
bl BN_num_bits_word
add r0, r0, r4, lsl #5
ldmia sp!, {r4, lr}
bx lr
arm_func_end BN_num_bits
arm_func_start BN_num_bits_word
BN_num_bits_word: ; 0x0223D568
mov r1, #0x10000
rsb r1, r1, #0
ands r1, r0, r1
beq _0223D588
ands r1, r0, #0xff000000
movne r2, #0x18
moveq r2, #0x10
b _0223D594
_0223D588:
ands r1, r0, #0xff00
movne r2, #8
moveq r2, #0
_0223D594:
mov r1, r0, lsr r2
ands r0, r1, #0xf0
ldreq r0, _0223D5C4 ; =0x0223DEE8
ldreqsb r0, [r0, r1]
addeq r0, r0, r2
bxeq lr
ldr r0, _0223D5C4 ; =0x0223DEE8
mov r1, r1, lsr #4
ldrsb r0, [r0, r1]
add r0, r0, r2
add r0, r0, #4
bx lr
; .align 2, 0
_0223D5C4: .word Unk_ov97_0223DEE8
arm_func_end BN_num_bits_word
.rodata
.global Unk_ov97_0223DEC4
Unk_ov97_0223DEC4: ; 0x0223DEC4
.byte 0x0, 0x8, 0x1, 0x1, 0x1, 0x10, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0
.global Unk_ov97_0223DED0
Unk_ov97_0223DED0: ; 0x0223DED0
.byte 0x0, 0x8, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0
.global Unk_ov97_0223DEDC
Unk_ov97_0223DEDC: ; 0x0223DEDC
.byte 0x0, 0x8, 0x1, 0x1, 0x1, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0
.global Unk_ov97_0223DEE8
Unk_ov97_0223DEE8: ; 0x0223DEE8
.byte 0x0, 0x1, 0x2, 0x2, 0x3, 0x3, 0x3, 0x3, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4
.global Unk_ov97_0223DEF8
Unk_ov97_0223DEF8: ; 0x0223DEF8
.short 0x6, 0x1, 0x2, 0x1, 0x3, 0x1
.short 0x2, 0x1, 0x4, 0x1, 0x2, 0x1, 0x3, 0x1
.short 0x2, 0x1,
.global Unk_ov97_0223DF18
Unk_ov97_0223DF18: ; 0x0223DF18
.short 0x5, 0x1, 0x2, 0x1, 0x3, 0x1, 0x2, 0x1
.global Unk_ov97_0223DF28
Unk_ov97_0223DF28: ; 0x0223DF28
.short 0x4, 0x1, 0x2, 0x1,
.global Unk_ov97_0223DF30
Unk_ov97_0223DF30: ; 0x0223DF30
.short 0x3, 0x1
.global Unk_ov97_0223DF34
Unk_ov97_0223DF34: ; 0x0223DF34
.short 0x2
.global Unk_ov97_0223DF36
Unk_ov97_0223DF36: ; 0x0223DF36
.byte 0x1
.global Unk_ov97_0223DF37
Unk_ov97_0223DF37: ; 0x0223DF37
.byte 0x0
.data
.global Unk_ov97_0223F158
Unk_ov97_0223F158: ; 0x0223F158
.word Unk_ov97_0223DF37
.word Unk_ov97_0223DF36
.word Unk_ov97_0223DF34
.word Unk_ov97_0223DF30
.word Unk_ov97_0223DF28
.word Unk_ov97_0223DF18
.word Unk_ov97_0223DEF8
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