Move DSA_sign, DSA_verify to dsa_asn1.c and include separate versions of
DSA_SIG_new() and DSA_SIG_free() to remove ASN1 dependencies from DSA_do_sign()
and DSA_do_verify().
diff --git a/crypto/dsa/dsa_sign.c b/crypto/dsa/dsa_sign.c
index 17555e5..e02365a 100644
--- a/crypto/dsa/dsa_sign.c
+++ b/crypto/dsa/dsa_sign.c
@@ -61,30 +61,38 @@
#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);
- }
-
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);
}
+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);
+ }
+ }
+
