X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fdsa%2Fdsa_ameth.c;h=539b51f95162f7e22b26107ea82ada548a07f2d4;hp=5482330c84ded5b47aeb24e21dcd7a9019465231;hb=fa1ba589f3feab2c1d8c87109d18978238a9877f;hpb=8c4ce7bab2dd880696d78f19336e3cabacbccb4a;ds=sidebyside

diff --git a/crypto/dsa/dsa_ameth.c b/crypto/dsa/dsa_ameth.c
index 5482330c84..539b51f951 100644
--- a/crypto/dsa/dsa_ameth.c
+++ b/crypto/dsa/dsa_ameth.c
@@ -542,6 +542,44 @@ static int old_dsa_priv_encode(const EVP_PKEY *pkey, unsigned char **pder)
 	return i2d_DSAPrivateKey(pkey->pkey.dsa, pder);
 	}
 
+static int dsa_sig_print(BIO *bp, const X509_ALGOR *sigalg,
+					const ASN1_STRING *sig,
+					int indent, ASN1_PCTX *pctx)
+	{
+	DSA_SIG *dsa_sig;
+	const unsigned char *p = sig->data;
+	dsa_sig = d2i_DSA_SIG(NULL, &p, sig->length);
+	if (dsa_sig)
+		{
+		int rv = 0;
+		size_t buf_len = 0;
+		unsigned char *m=NULL;
+		update_buflen(dsa_sig->r, &buf_len);
+		update_buflen(dsa_sig->s, &buf_len);
+		m = OPENSSL_malloc(buf_len+10);
+		if (m == NULL)
+			{
+			DSAerr(DSA_F_DO_DSA_PRINT,ERR_R_MALLOC_FAILURE);
+			goto err;
+			}
+
+		if (BIO_write(bp, "\n", 1) != 1)
+			goto err;
+
+		if (!ASN1_bn_print(bp,"r:   ",dsa_sig->r,m,indent))
+			goto err;
+		if (!ASN1_bn_print(bp,"s:   ",dsa_sig->s,m,indent))
+			goto err;
+		rv = 1;
+		err:
+		if (m)
+			OPENSSL_free(m);
+		DSA_SIG_free(dsa_sig);
+		return rv;
+		}
+	return X509_signature_dump(bp, sig, indent);
+	}
+
 static int dsa_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
 	{
 	switch (op)
@@ -647,6 +685,7 @@ const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[] =
 		dsa_copy_parameters,
 		dsa_cmp_parameters,
 		dsa_param_print,
+		dsa_sig_print,
 
 		int_dsa_free,
 		dsa_pkey_ctrl,