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path: root/openssl/crypto/dsa/dsa_ameth.c
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Diffstat (limited to 'openssl/crypto/dsa/dsa_ameth.c')
-rw-r--r--openssl/crypto/dsa/dsa_ameth.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/openssl/crypto/dsa/dsa_ameth.c b/openssl/crypto/dsa/dsa_ameth.c
index 6413aae46..376156ec5 100644
--- a/openssl/crypto/dsa/dsa_ameth.c
+++ b/openssl/crypto/dsa/dsa_ameth.c
@@ -542,6 +542,52 @@ 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;
+ if (!sig)
+ {
+ if (BIO_puts(bp, "\n") <= 0)
+ return 0;
+ else
+ return 1;
+ }
+ 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_DSA_SIG_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 +693,7 @@ 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,