- a = p8->pkeyalg;
- nid = OBJ_obj2nid(a->algorithm);
- switch(nid)
- {
-#ifndef OPENSSL_NO_RSA
- case NID_rsaEncryption:
- cp = p;
- if (!(rsa = d2i_RSAPrivateKey (NULL,&cp, pkeylen))) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- return NULL;
- }
- EVP_PKEY_assign_RSA (pkey, rsa);
- break;
-#endif
-#ifndef OPENSSL_NO_DSA
- case NID_dsa:
- /* PKCS#8 DSA is weird: you just get a private key integer
- * and parameters in the AlgorithmIdentifier the pubkey must
- * be recalculated.
- */
-
- /* Check for broken DSA PKCS#8, UGH! */
- if(*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED)) {
- if(!(ndsa = ASN1_seq_unpack_ASN1_TYPE(p, pkeylen,
- d2i_ASN1_TYPE,
- ASN1_TYPE_free))) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto dsaerr;
- }
- if(sk_ASN1_TYPE_num(ndsa) != 2 ) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto dsaerr;
- }
- /* Handle Two broken types:
- * SEQUENCE {parameters, priv_key}
- * SEQUENCE {pub_key, priv_key}
- */
-
- t1 = sk_ASN1_TYPE_value(ndsa, 0);
- t2 = sk_ASN1_TYPE_value(ndsa, 1);
- if(t1->type == V_ASN1_SEQUENCE) {
- p8->broken = PKCS8_EMBEDDED_PARAM;
- param = t1;
- } else if(a->parameter->type == V_ASN1_SEQUENCE) {
- p8->broken = PKCS8_NS_DB;
- param = a->parameter;
- } else {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto dsaerr;
- }
-
- if(t2->type != V_ASN1_INTEGER) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto dsaerr;
- }
- privkey = t2->value.integer;
- } else {
- if (!(privkey=d2i_ASN1_INTEGER (NULL, &p, pkeylen))) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto dsaerr;
- }
- param = p8->pkeyalg->parameter;
- }
- if (!param || (param->type != V_ASN1_SEQUENCE)) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto dsaerr;
- }
- cp = p = param->value.sequence->data;
- plen = param->value.sequence->length;
- if (!(dsa = d2i_DSAparams (NULL, &cp, plen))) {
- EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
- goto dsaerr;
- }
- /* We have parameters now set private key */
- if (!(dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL))) {
- EVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_BN_DECODE_ERROR);
- goto dsaerr;
- }
- /* Calculate public key (ouch!) */
- if (!(dsa->pub_key = BN_new())) {
- EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
- goto dsaerr;
- }
- if (!(ctx = BN_CTX_new())) {
- EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
- goto dsaerr;
- }
-
- if (!BN_mod_exp(dsa->pub_key, dsa->g,
- dsa->priv_key, dsa->p, ctx)) {
-
- EVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_BN_PUBKEY_ERROR);
- goto dsaerr;
- }
-
- EVP_PKEY_assign_DSA(pkey, dsa);
- BN_CTX_free (ctx);
- if(ndsa) sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
- else ASN1_INTEGER_free(privkey);
- break;
- dsaerr:
- BN_CTX_free (ctx);
- sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
- DSA_free(dsa);
- EVP_PKEY_free(pkey);
- return NULL;
- break;
-#endif
-#ifndef OPENSSL_NO_EC
- case NID_X9_62_id_ecPublicKey:
- p_tmp = p;
- /* extract the ec parameters */
- param = p8->pkeyalg->parameter;