.include "macros/function.inc"


	.text


	arm_func_start CRYPTO_RC4Encrypt
CRYPTO_RC4Encrypt: ; 0x02239420
	stmfd sp!, {r4, r5, r6, r7, r8, sb, lr}
	ldrb r7, [r0]
	ldrb r6, [r0, #1]
	add r0, r0, #4
	mov lr, #0x1000000
	add r7, lr, r7, lsl #24
	mov r6, r6, lsl #0x18
	ldrb sb, [r0, r7, lsr #24]
	subs r2, r2, #1
	bmi _02239480
_02239448:
	add r6, r6, sb, lsl #24
	subs r2, r2, #1
	ldrb r8, [r0, r6, lsr #24]
	ldrb r5, [r1], #1
	strb r8, [r0, r7, lsr #24]
	strb sb, [r0, r6, lsr #24]
	add r4, sb, r8
	and r4, r4, #0xff
	add r7, r7, lr
	ldrb r4, [r0, r4]
	ldrb sb, [r0, r7, lsr #24]
	eor r5, r5, r4
	strb r5, [r3], #1
	bge _02239448
_02239480:
	sub r7, r7, lr
	mov r7, r7, lsr #0x18
	mov r6, r6, lsr #0x18
	strb r7, [r0, #-4]
	strb r6, [r0, #-3]
	ldmia sp!, {r4, r5, r6, r7, r8, sb, pc}
	arm_func_end CRYPTO_RC4Encrypt