#include <openssl/x509.h>
#include <openssl/asn1.h>
#include <openssl/dsa.h>
+#include "asn1_locl.h"
static int dsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
{
}
ASN1_INTEGER_free(public_key);
-
+ EVP_PKEY_assign_DSA(pkey, dsa);
return 1;
err:
}
-static int dsa_pub_encode(X509_PUBKEY *pk, EVP_PKEY *pkey)
+static int dsa_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey)
{
DSA *dsa;
- void *pval;
+ void *pval = NULL;
int ptype;
unsigned char *penc = NULL;
int penclen;
DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE);
goto err;
}
+ pval = str;
ptype = V_ASN1_SEQUENCE;
}
else
- {
ptype = V_ASN1_UNDEF;
- pval = NULL;
- }
dsa->write_params=0;
penclen = i2d_DSAPublicKey(dsa, &penc);
return 0;
}
+static int dsa_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
+ {
+ if (BN_cmp(b->pkey.dsa->pub_key,a->pkey.dsa->pub_key) != 0)
+ return 0;
+ else
+ return 1;
+ }
+
/* In PKCS#8 DSA: you just get a private key integer and parameters in the
* AlgorithmIdentifier the pubkey must be recalculated.
*/
BN_CTX_free (ctx);
sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
DSA_free(dsa);
- EVP_PKEY_free(pkey);
return 0;
}
-static int dsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, EVP_PKEY *pkey)
+static int dsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
{
ASN1_STRING *params = NULL;
ASN1_INTEGER *prkey = NULL;
return 0;
}
+static int int_dsa_size(const EVP_PKEY *pkey)
+ {
+ return(DSA_size(pkey->pkey.dsa));
+ }
+
+static int dsa_bits(const EVP_PKEY *pkey)
+ {
+ return BN_num_bits(pkey->pkey.dsa->p);
+ }
+
+static int dsa_missing_parameters(const EVP_PKEY *pkey)
+ {
+ DSA *dsa;
+ dsa=pkey->pkey.dsa;
+ if ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))
+ return 1;
+ return 0;
+ }
+
+static int dsa_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
+ {
+ BIGNUM *a;
+
+ if ((a=BN_dup(from->pkey.dsa->p)) == NULL)
+ return 0;
+ if (to->pkey.dsa->p != NULL)
+ BN_free(to->pkey.dsa->p);
+ to->pkey.dsa->p=a;
+
+ if ((a=BN_dup(from->pkey.dsa->q)) == NULL)
+ return 0;
+ if (to->pkey.dsa->q != NULL)
+ BN_free(to->pkey.dsa->q);
+ to->pkey.dsa->q=a;
+
+ if ((a=BN_dup(from->pkey.dsa->g)) == NULL)
+ return 0;
+ if (to->pkey.dsa->g != NULL)
+ BN_free(to->pkey.dsa->g);
+ to->pkey.dsa->g=a;
+ return 1;
+ }
+
+static int dsa_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
+ {
+ if ( BN_cmp(a->pkey.dsa->p,b->pkey.dsa->p) ||
+ BN_cmp(a->pkey.dsa->q,b->pkey.dsa->q) ||
+ BN_cmp(a->pkey.dsa->g,b->pkey.dsa->g))
+ return 0;
+ else
+ return 1;
+ }
+
+static void int_dsa_free(EVP_PKEY *pkey)
+ {
+ DSA_free(pkey->pkey.dsa);
+ }
+
+static void update_buflen(const BIGNUM *b, size_t *pbuflen)
+ {
+ int i;
+ if (!b)
+ return;
+ if (*pbuflen < (i = (size_t)BN_num_bytes(b)))
+ *pbuflen = i;
+ }
+
+int do_dsa_print(BIO *bp, const DSA *x, int off, int ptype)
+ {
+ unsigned char *m=NULL;
+ int ret=0;
+ size_t buf_len=0;
+ const char *ktype = NULL;
+
+ const BIGNUM *priv_key, *pub_key;
+
+ if (ptype == 2)
+ priv_key = x->priv_key;
+ else
+ priv_key = NULL;
+
+ if (ptype > 0)
+ pub_key = x->pub_key;
+ else
+ pub_key = NULL;
+
+ if (ptype == 2)
+ ktype = "Private-Key";
+ else if (ptype == 1)
+ ktype = "Public-Key";
+ else
+ ktype = "DSA-Parameters";
+
+ if (x->p == NULL)
+ {
+ DSAerr(DSA_F_DSA_PRINT,DSA_R_MISSING_PARAMETERS);
+ goto err;
+ }
+
+ update_buflen(x->p, &buf_len);
+ update_buflen(x->q, &buf_len);
+ update_buflen(x->g, &buf_len);
+ update_buflen(priv_key, &buf_len);
+ update_buflen(pub_key, &buf_len);
+
+ m=(unsigned char *)OPENSSL_malloc(buf_len+10);
+ if (m == NULL)
+ {
+ DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (priv_key)
+ {
+ if(!BIO_indent(bp,off,128))
+ goto err;
+ if (BIO_printf(bp,"%s: (%d bit)\n",ktype, BN_num_bits(x->p))
+ <= 0) goto err;
+ }
+
+ if (!ASN1_bn_print(bp,"priv:",priv_key,m,off))
+ goto err;
+ if (!ASN1_bn_print(bp,"pub: ",pub_key,m,off))
+ goto err;
+ if (!ASN1_bn_print(bp,"P: ",x->p,m,off)) goto err;
+ if (!ASN1_bn_print(bp,"Q: ",x->q,m,off)) goto err;
+ if (!ASN1_bn_print(bp,"G: ",x->g,m,off)) goto err;
+ ret=1;
+err:
+ if (m != NULL) OPENSSL_free(m);
+ return(ret);
+ }
+
+static int dsa_param_decode(EVP_PKEY *pkey,
+ const unsigned char **pder, int derlen)
+ {
+ DSA *dsa;
+ if (!(dsa = d2i_DSAparams(NULL, pder, derlen)))
+ {
+ DSAerr(DSA_F_DSA_PARAM_DECODE, ERR_R_DSA_LIB);
+ return 0;
+ }
+ EVP_PKEY_assign_DSA(pkey, dsa);
+ return 1;
+ }
+
+static int dsa_param_encode(const EVP_PKEY *pkey, unsigned char **pder)
+ {
+ return i2d_DSAparams(pkey->pkey.dsa, pder);
+ }
+
+static int dsa_param_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx)
+ {
+ return do_dsa_print(bp, pkey->pkey.dsa, indent, 0);
+ }
+
+static int dsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx)
+ {
+ return do_dsa_print(bp, pkey->pkey.dsa, indent, 1);
+ }
+
+
+static int dsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx)
+ {
+ return do_dsa_print(bp, pkey->pkey.dsa, indent, 2);
+ }
+
+static int old_dsa_priv_decode(EVP_PKEY *pkey,
+ const unsigned char **pder, int derlen)
+ {
+ DSA *dsa;
+ if (!(dsa = d2i_DSAPrivateKey (NULL, pder, derlen)))
+ {
+ DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_DSA_LIB);
+ return 0;
+ }
+ EVP_PKEY_assign_DSA(pkey, dsa);
+ return 1;
+ }
+
+static int old_dsa_priv_encode(const EVP_PKEY *pkey, unsigned char **pder)
+ {
+ return i2d_DSAPrivateKey(pkey->pkey.dsa, pder);
+ }
+
/* NB these are sorted in pkey_id order, lowest first */
const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[] =
EVP_PKEY_DSA,
EVP_PKEY_DSA,
0,
+
+ "DSA",
+ "OpenSSL DSA method",
+
dsa_pub_decode,
dsa_pub_encode,
- 0,
+ dsa_pub_cmp,
+ dsa_pub_print,
+
dsa_priv_decode,
dsa_priv_encode,
+ dsa_priv_print,
+
+ int_dsa_size,
+ dsa_bits,
+
+ dsa_param_decode,
+ dsa_param_encode,
+ dsa_missing_parameters,
+ dsa_copy_parameters,
+ dsa_cmp_parameters,
+ dsa_param_print,
+
+ int_dsa_free,
0,
- 0,
- 0
+ old_dsa_priv_decode,
+ old_dsa_priv_encode
}
};
projects / openssl.git / blobdiff