Commit 6786f52a authored by Andy Polyakov's avatar Andy Polyakov
Browse files

SEGV in AES_cbc_encrypt in aes-x86_64 assembler module. 

PR: 1801
Submitted by: Huang Ying
parent 2e6a7b3e

crypto/aes/asm/aes-x86_64.pl

+1 −4
Original line number Diff line number Diff line
@@ -1965,19 +1965,16 @@ AES_cbc_encrypt: 
	jmp	.Lcbc_exit

.align	4

.Lcbc_slow_enc_tail:

	cmp	$inp,$out

	je	.Lcbc_slow_enc_in_place

	mov	%r10,%rcx

	mov	$inp,%rsi

	mov	$out,%rdi

	.long	0x9066A4F3		# rep movsb

.Lcbc_slow_enc_in_place:

	mov	\$16,%rcx		# zero tail

	sub	%r10,%rcx

	xor	%rax,%rax

	.long	0x9066AAF3		# rep stosb

	mov	$out,$inp		# this is not a mistake!

	movq	\$16,$_len		# len=16

	mov	\$16,%r10		# len=16

	jmp	.Lcbc_slow_enc_loop	# one more spin...

#--------------------------- SLOW DECRYPT ---------------------------#

.align	16