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This commit is contained in:
Zhi Guan
2015-08-15 15:02:15 +08:00
parent 06df2fab54
commit 3bdc0ea895
2536 changed files with 417052 additions and 271997 deletions
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78
crypto/dsa/dsa_sign.c
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@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
@@ -61,30 +61,50 @@
#include "cryptlib.h"
#include <openssl/dsa.h>
#include <openssl/rand.h>
#include <openssl/bn.h>
DSA_SIG * DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
{
return dsa->meth->dsa_do_sign(dgst, dlen, dsa);
}
int DSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char *sig,
unsigned int *siglen, DSA *dsa)
{
DSA_SIG *s;
RAND_seed(dgst, dlen);
s=DSA_do_sign(dgst,dlen,dsa);
if (s == NULL)
{
*siglen=0;
return(0);
}
*siglen=i2d_DSA_SIG(s,&sig);
DSA_SIG_free(s);
return(1);
}
DSA_SIG *DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
{
#ifdef OPENSSL_FIPS
if (FIPS_mode() && !(dsa->meth->flags & DSA_FLAG_FIPS_METHOD)
&& !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) {
DSAerr(DSA_F_DSA_DO_SIGN, DSA_R_NON_FIPS_DSA_METHOD);
return NULL;
}
#endif
return dsa->meth->dsa_do_sign(dgst, dlen, dsa);
}
int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp)
{
return dsa->meth->dsa_sign_setup(dsa, ctx_in, kinvp, rp);
}
{
#ifdef OPENSSL_FIPS
if (FIPS_mode() && !(dsa->meth->flags & DSA_FLAG_FIPS_METHOD)
&& !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) {
DSAerr(DSA_F_DSA_SIGN_SETUP, DSA_R_NON_FIPS_DSA_METHOD);
return 0;
}
#endif
return dsa->meth->dsa_sign_setup(dsa, ctx_in, kinvp, rp);
}
DSA_SIG *DSA_SIG_new(void)
{
DSA_SIG *sig;
sig = OPENSSL_malloc(sizeof(DSA_SIG));
if (!sig)
return NULL;
sig->r = NULL;
sig->s = NULL;
return sig;
}
void DSA_SIG_free(DSA_SIG *sig)
{
if (sig) {
if (sig->r)
BN_free(sig->r);
if (sig->s)
BN_free(sig->s);
OPENSSL_free(sig);
}
}