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Bugzilla Bug 302262: fixed an error in the comment. Set the error code

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if signature verification fails.  r=nelsonb.
This commit is contained in:
wtchang%redhat.com 2005-07-27 18:48:44 +00:00
parent efd2a8a700
commit 0fc278d80f
1 changed files with 6 additions and 3 deletions
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9
security/nss/lib/freebl/dsa.c
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@ -35,7 +35,7 @@
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* $Id: dsa.c,v 1.14 2005/05/21 21:35:24 nelsonb%netscape.com Exp $ */
/* $Id: dsa.c,v 1.15 2005/07/27 18:48:44 wtchang%redhat.com Exp $ */
#include "secerr.h"
@ -270,7 +270,7 @@ cleanup:
return rv;
}
/* signature is caller-supplied buffer of at least 20 bytes.
/* signature is caller-supplied buffer of at least 40 bytes.
** On input, signature->len == size of buffer to hold signature.
** digest->len == size of digest.
** On output, signature->len == size of signature in buffer.
@ -368,8 +368,11 @@ DSA_VerifyDigest(DSAPublicKey *key, const SECItem *signature,
** Verify that 0 < r' < q and 0 < s' < q
*/
if (mp_cmp_z(&r_) <= 0 || mp_cmp_z(&s_) <= 0 ||
mp_cmp(&r_, &q) >= 0 || mp_cmp(&s_, &q) >= 0)
mp_cmp(&r_, &q) >= 0 || mp_cmp(&s_, &q) >= 0) {
/* err is zero here. */
PORT_SetError(SEC_ERROR_BAD_SIGNATURE);
goto cleanup; /* will return verified == SECFailure */
}
/*
** FIPS 186-1, Section 6, Step 1
**