import OpenSSL-1.0.1c

1 files changed, 37 insertions, 13 deletions

diff --git a/src/lib/libcrypto/dsa/dsa_sign.c b/src/lib/libcrypto/dsa/dsa_sign.c
index 17555e5892..c3cc3642ce 100644
--- a/src/lib/libcrypto/dsa/dsa_sign.c
+++ b/src/lib/libcrypto/dsa/dsa_sign.c
@@ -61,30 +61,54 @@
 #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)
         {
+#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(int type, const unsigned char *dgst, int dlen, unsigned char *sig,
-             unsigned int *siglen, DSA *dsa)
+int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp)
         {
-        DSA_SIG *s;
-        RAND_seed(dgst, dlen);
-        s=DSA_do_sign(dgst,dlen,dsa);
-        if (s == NULL)
+#ifdef OPENSSL_FIPS
+        if (FIPS_mode() && !(dsa->meth->flags & DSA_FLAG_FIPS_METHOD)
+                        && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW))
                 {
-                *siglen=0;
-                return(0);
+                DSAerr(DSA_F_DSA_SIGN_SETUP, DSA_R_NON_FIPS_DSA_METHOD);
+                return 0;
                 }
-        *siglen=i2d_DSA_SIG(s,&sig);
-        DSA_SIG_free(s);
-        return(1);
+#endif
+        return dsa->meth->dsa_sign_setup(dsa, ctx_in, kinvp, rp);
         }
 
-int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp)
+DSA_SIG *DSA_SIG_new(void)
         {
-        return dsa->meth->dsa_sign_setup(dsa, ctx_in, kinvp, rp);
+        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);
+                }
         }