SEGV in AES_cbc_encrypt in aes-x86_64 assembler module.
authorAndy Polyakov <appro@openssl.org>
Wed, 17 Dec 2008 14:11:30 +0000 (14:11 +0000)
committerAndy Polyakov <appro@openssl.org>
Wed, 17 Dec 2008 14:11:30 +0000 (14:11 +0000)
PR: 1801
Submitted by: Huang Ying

crypto/aes/asm/aes-x86_64.pl

index d041507..c2b040a 100755 (executable)
@@ -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