diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2016-08-17 12:34:22 +0100 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 2016-08-17 12:34:22 +0100 |
commit | a0754084f82cf1cd0c8629d61f779bb6a6c6b1a6 (patch) | |
tree | e1287c54eeea701518d4f18c87dc2ffc106b07db /apps/apps.c | |
parent | 79613ea8442a309b76a737eacb2a69f612cc5f06 (diff) | |
download | openssl-a0754084f82cf1cd0c8629d61f779bb6a6c6b1a6.tar.gz |
Corrupt signature in place.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Diffstat (limited to 'apps/apps.c')
-rw-r--r-- | apps/apps.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/apps/apps.c b/apps/apps.c index 17a9fdc267..10ab6262c8 100644 --- a/apps/apps.c +++ b/apps/apps.c @@ -2583,15 +2583,8 @@ int has_stdin_waiting(void) #endif /* Corrupt a signature by modifying final byte */ -int corrupt_signature(ASN1_STRING *signature) +void corrupt_signature(const ASN1_STRING *signature) { - unsigned char *s; - size_t slen = ASN1_STRING_length(signature); - - s = OPENSSL_memdup(ASN1_STRING_get0_data(signature), slen); - if (s == NULL) - return 0; - s[slen - 1] ^= 0x1; - ASN1_STRING_set0(signature, s, slen); - return 1; + unsigned char *s = signature->data; + s[signature->length - 1] ^= 0x1; } |