diff options
Diffstat (limited to 'openssl/crypto/evp/evp_pkey.c')
-rw-r--r-- | openssl/crypto/evp/evp_pkey.c | 646 |
1 files changed, 47 insertions, 599 deletions
diff --git a/openssl/crypto/evp/evp_pkey.c b/openssl/crypto/evp/evp_pkey.c index 10d9e9e77..ceebf6928 100644 --- a/openssl/crypto/evp/evp_pkey.c +++ b/openssl/crypto/evp/evp_pkey.c @@ -3,7 +3,7 @@ * project 1999. */ /* ==================================================================== - * Copyright (c) 1999-2002 The OpenSSL Project. All rights reserved. + * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -61,287 +61,52 @@ #include "cryptlib.h" #include <openssl/x509.h> #include <openssl/rand.h> -#ifndef OPENSSL_NO_RSA -#include <openssl/rsa.h> -#endif -#ifndef OPENSSL_NO_DSA -#include <openssl/dsa.h> -#endif -#include <openssl/bn.h> - -#ifndef OPENSSL_NO_DSA -static int dsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8inf, EVP_PKEY *pkey); -#endif -#ifndef OPENSSL_NO_EC -static int eckey_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8inf, EVP_PKEY *pkey); -#endif +#include "asn1_locl.h" /* Extract a private key from a PKCS8 structure */ EVP_PKEY *EVP_PKCS82PKEY(PKCS8_PRIV_KEY_INFO *p8) { EVP_PKEY *pkey = NULL; -#ifndef OPENSSL_NO_RSA - RSA *rsa = NULL; -#endif -#ifndef OPENSSL_NO_DSA - DSA *dsa = NULL; - ASN1_TYPE *t1, *t2; - ASN1_INTEGER *privkey; - STACK_OF(ASN1_TYPE) *ndsa = NULL; -#endif -#ifndef OPENSSL_NO_EC - EC_KEY *eckey = NULL; - const unsigned char *p_tmp; -#endif -#if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC) - ASN1_TYPE *param = NULL; - BN_CTX *ctx = NULL; - int plen; -#endif - X509_ALGOR *a; - const unsigned char *p; - const unsigned char *cp; - int pkeylen; - int nid; + ASN1_OBJECT *algoid; char obj_tmp[80]; - if(p8->pkey->type == V_ASN1_OCTET_STRING) { - p8->broken = PKCS8_OK; - p = p8->pkey->value.octet_string->data; - pkeylen = p8->pkey->value.octet_string->length; - } else { - p8->broken = PKCS8_NO_OCTET; - p = p8->pkey->value.sequence->data; - pkeylen = p8->pkey->value.sequence->length; - } + if (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8)) + return NULL; + if (!(pkey = EVP_PKEY_new())) { EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE); return NULL; } - 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; - - if (!param || ((param->type != V_ASN1_SEQUENCE) && - (param->type != V_ASN1_OBJECT))) + if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid))) { - EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR); - goto ecerr; + EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM); + i2t_ASN1_OBJECT(obj_tmp, 80, algoid); + ERR_add_error_data(2, "TYPE=", obj_tmp); + goto error; } - if (param->type == V_ASN1_SEQUENCE) + if (pkey->ameth->priv_decode) { - cp = p = param->value.sequence->data; - plen = param->value.sequence->length; - - if (!(eckey = d2i_ECParameters(NULL, &cp, plen))) + if (!pkey->ameth->priv_decode(pkey, p8)) { - EVPerr(EVP_F_EVP_PKCS82PKEY, - EVP_R_DECODE_ERROR); - goto ecerr; + EVPerr(EVP_F_EVP_PKCS82PKEY, + EVP_R_PRIVATE_KEY_DECODE_ERROR); + goto error; } } - else + else { - EC_GROUP *group; - cp = p = param->value.object->data; - plen = param->value.object->length; - - /* type == V_ASN1_OBJECT => the parameters are given - * by an asn1 OID - */ - if ((eckey = EC_KEY_new()) == NULL) - { - EVPerr(EVP_F_EVP_PKCS82PKEY, - ERR_R_MALLOC_FAILURE); - goto ecerr; - } - group = EC_GROUP_new_by_curve_name(OBJ_obj2nid(a->parameter->value.object)); - if (group == NULL) - goto ecerr; - EC_GROUP_set_asn1_flag(group, OPENSSL_EC_NAMED_CURVE); - if (EC_KEY_set_group(eckey, group) == 0) - goto ecerr; - EC_GROUP_free(group); - } - - /* We have parameters now set private key */ - if (!d2i_ECPrivateKey(&eckey, &p_tmp, pkeylen)) - { - EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR); - goto ecerr; - } - - /* calculate public key (if necessary) */ - if (EC_KEY_get0_public_key(eckey) == NULL) - { - const BIGNUM *priv_key; - const EC_GROUP *group; - EC_POINT *pub_key; - /* the public key was not included in the SEC1 private - * key => calculate the public key */ - group = EC_KEY_get0_group(eckey); - pub_key = EC_POINT_new(group); - if (pub_key == NULL) - { - EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB); - goto ecerr; - } - if (!EC_POINT_copy(pub_key, EC_GROUP_get0_generator(group))) - { - EC_POINT_free(pub_key); - EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB); - goto ecerr; - } - priv_key = EC_KEY_get0_private_key(eckey); - if (!EC_POINT_mul(group, pub_key, priv_key, NULL, NULL, ctx)) - { - EC_POINT_free(pub_key); - EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB); - goto ecerr; - } - if (EC_KEY_set_public_key(eckey, pub_key) == 0) - { - EC_POINT_free(pub_key); - EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB); - goto ecerr; - } - EC_POINT_free(pub_key); + EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_METHOD_NOT_SUPPORTED); + goto error; } - EVP_PKEY_assign_EC_KEY(pkey, eckey); - if (ctx) - BN_CTX_free(ctx); - break; -ecerr: - if (ctx) - BN_CTX_free(ctx); - if (eckey) - EC_KEY_free(eckey); - if (pkey) - EVP_PKEY_free(pkey); - return NULL; -#endif - default: - EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM); - if (!a->algorithm) BUF_strlcpy (obj_tmp, "NULL", sizeof obj_tmp); - else i2t_ASN1_OBJECT(obj_tmp, 80, a->algorithm); - ERR_add_error_data(2, "TYPE=", obj_tmp); - EVP_PKEY_free (pkey); - return NULL; - } return pkey; + + error: + EVP_PKEY_free (pkey); + return NULL; } PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey) @@ -360,59 +125,37 @@ PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8_broken(EVP_PKEY *pkey, int broken) return NULL; } p8->broken = broken; - if (!ASN1_INTEGER_set(p8->version, 0)) { - EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,ERR_R_MALLOC_FAILURE); - PKCS8_PRIV_KEY_INFO_free (p8); - return NULL; - } - if (!(p8->pkeyalg->parameter = ASN1_TYPE_new ())) { - EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,ERR_R_MALLOC_FAILURE); - PKCS8_PRIV_KEY_INFO_free (p8); - return NULL; - } - p8->pkey->type = V_ASN1_OCTET_STRING; - switch (EVP_PKEY_type(pkey->type)) { -#ifndef OPENSSL_NO_RSA - case EVP_PKEY_RSA: - if(p8->broken == PKCS8_NO_OCTET) p8->pkey->type = V_ASN1_SEQUENCE; - - p8->pkeyalg->algorithm = OBJ_nid2obj(NID_rsaEncryption); - p8->pkeyalg->parameter->type = V_ASN1_NULL; - if (!ASN1_pack_string_of (EVP_PKEY,pkey, i2d_PrivateKey, - &p8->pkey->value.octet_string)) { - EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,ERR_R_MALLOC_FAILURE); - PKCS8_PRIV_KEY_INFO_free (p8); - return NULL; - } - break; -#endif -#ifndef OPENSSL_NO_DSA - case EVP_PKEY_DSA: - if(!dsa_pkey2pkcs8(p8, pkey)) { - PKCS8_PRIV_KEY_INFO_free (p8); - return NULL; + if (pkey->ameth) + { + if (pkey->ameth->priv_encode) + { + if (!pkey->ameth->priv_encode(p8, pkey)) + { + EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, + EVP_R_PRIVATE_KEY_ENCODE_ERROR); + goto error; + } + } + else + { + EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, + EVP_R_METHOD_NOT_SUPPORTED); + goto error; + } } - - break; -#endif -#ifndef OPENSSL_NO_EC - case EVP_PKEY_EC: - if (!eckey_pkey2pkcs8(p8, pkey)) + else { - PKCS8_PRIV_KEY_INFO_free(p8); - return(NULL); + EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, + EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM); + goto error; } - break; -#endif - default: - EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM); - PKCS8_PRIV_KEY_INFO_free (p8); - return NULL; - } RAND_add(p8->pkey->value.octet_string->data, p8->pkey->value.octet_string->length, 0.0); return p8; + error: + PKCS8_PRIV_KEY_INFO_free(p8); + return NULL; } PKCS8_PRIV_KEY_INFO *PKCS8_set_broken(PKCS8_PRIV_KEY_INFO *p8, int broken) @@ -436,301 +179,6 @@ PKCS8_PRIV_KEY_INFO *PKCS8_set_broken(PKCS8_PRIV_KEY_INFO *p8, int broken) } } -#ifndef OPENSSL_NO_DSA -static int dsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8, EVP_PKEY *pkey) -{ - ASN1_STRING *params = NULL; - ASN1_INTEGER *prkey = NULL; - ASN1_TYPE *ttmp = NULL; - STACK_OF(ASN1_TYPE) *ndsa = NULL; - unsigned char *p = NULL, *q; - int len; - - p8->pkeyalg->algorithm = OBJ_nid2obj(NID_dsa); - len = i2d_DSAparams (pkey->pkey.dsa, NULL); - if (!(p = OPENSSL_malloc(len))) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - q = p; - i2d_DSAparams (pkey->pkey.dsa, &q); - if (!(params = ASN1_STRING_new())) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - if (!ASN1_STRING_set(params, p, len)) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - OPENSSL_free(p); - p = NULL; - /* Get private key into integer */ - if (!(prkey = BN_to_ASN1_INTEGER (pkey->pkey.dsa->priv_key, NULL))) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,EVP_R_ENCODE_ERROR); - goto err; - } - - switch(p8->broken) { - - case PKCS8_OK: - case PKCS8_NO_OCTET: - - if (!ASN1_pack_string_of(ASN1_INTEGER,prkey, i2d_ASN1_INTEGER, - &p8->pkey->value.octet_string)) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - - M_ASN1_INTEGER_free (prkey); - prkey = NULL; - p8->pkeyalg->parameter->value.sequence = params; - params = NULL; - p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE; - - break; - - case PKCS8_NS_DB: - - p8->pkeyalg->parameter->value.sequence = params; - params = NULL; - p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE; - if (!(ndsa = sk_ASN1_TYPE_new_null())) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - if (!(ttmp = ASN1_TYPE_new())) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - if (!(ttmp->value.integer = - BN_to_ASN1_INTEGER(pkey->pkey.dsa->pub_key, NULL))) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,EVP_R_ENCODE_ERROR); - goto err; - } - ttmp->type = V_ASN1_INTEGER; - if (!sk_ASN1_TYPE_push(ndsa, ttmp)) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - - if (!(ttmp = ASN1_TYPE_new())) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - ttmp->value.integer = prkey; - prkey = NULL; - ttmp->type = V_ASN1_INTEGER; - if (!sk_ASN1_TYPE_push(ndsa, ttmp)) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - ttmp = NULL; - - if (!(p8->pkey->value.octet_string = ASN1_OCTET_STRING_new())) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - - if (!ASN1_seq_pack_ASN1_TYPE(ndsa, i2d_ASN1_TYPE, - &p8->pkey->value.octet_string->data, - &p8->pkey->value.octet_string->length)) { - - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free); - break; - - case PKCS8_EMBEDDED_PARAM: - - p8->pkeyalg->parameter->type = V_ASN1_NULL; - if (!(ndsa = sk_ASN1_TYPE_new_null())) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - if (!(ttmp = ASN1_TYPE_new())) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - ttmp->value.sequence = params; - params = NULL; - ttmp->type = V_ASN1_SEQUENCE; - if (!sk_ASN1_TYPE_push(ndsa, ttmp)) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - - if (!(ttmp = ASN1_TYPE_new())) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - ttmp->value.integer = prkey; - prkey = NULL; - ttmp->type = V_ASN1_INTEGER; - if (!sk_ASN1_TYPE_push(ndsa, ttmp)) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - ttmp = NULL; - - if (!(p8->pkey->value.octet_string = ASN1_OCTET_STRING_new())) { - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - - if (!ASN1_seq_pack_ASN1_TYPE(ndsa, i2d_ASN1_TYPE, - &p8->pkey->value.octet_string->data, - &p8->pkey->value.octet_string->length)) { - - EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE); - goto err; - } - sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free); - break; - } - return 1; -err: - if (p != NULL) OPENSSL_free(p); - if (params != NULL) ASN1_STRING_free(params); - if (prkey != NULL) M_ASN1_INTEGER_free(prkey); - if (ttmp != NULL) ASN1_TYPE_free(ttmp); - if (ndsa != NULL) sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free); - return 0; -} -#endif - -#ifndef OPENSSL_NO_EC -static int eckey_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8, EVP_PKEY *pkey) -{ - EC_KEY *ec_key; - const EC_GROUP *group; - unsigned char *p, *pp; - int nid, i, ret = 0; - unsigned int tmp_flags, old_flags; - - ec_key = pkey->pkey.ec; - if (ec_key == NULL || (group = EC_KEY_get0_group(ec_key)) == NULL) - { - EVPerr(EVP_F_ECKEY_PKEY2PKCS8, EVP_R_MISSING_PARAMETERS); - return 0; - } - - /* set the ec parameters OID */ - if (p8->pkeyalg->algorithm) - ASN1_OBJECT_free(p8->pkeyalg->algorithm); - - p8->pkeyalg->algorithm = OBJ_nid2obj(NID_X9_62_id_ecPublicKey); - - /* set the ec parameters */ - - if (p8->pkeyalg->parameter) - { - ASN1_TYPE_free(p8->pkeyalg->parameter); - p8->pkeyalg->parameter = NULL; - } - - if ((p8->pkeyalg->parameter = ASN1_TYPE_new()) == NULL) - { - EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE); - return 0; - } - - if (EC_GROUP_get_asn1_flag(group) - && (nid = EC_GROUP_get_curve_name(group))) - { - /* we have a 'named curve' => just set the OID */ - p8->pkeyalg->parameter->type = V_ASN1_OBJECT; - p8->pkeyalg->parameter->value.object = OBJ_nid2obj(nid); - } - else /* explicit parameters */ - { - if ((i = i2d_ECParameters(ec_key, NULL)) == 0) - { - EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB); - return 0; - } - if ((p = (unsigned char *) OPENSSL_malloc(i)) == NULL) - { - EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE); - return 0; - } - pp = p; - if (!i2d_ECParameters(ec_key, &pp)) - { - EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB); - OPENSSL_free(p); - return 0; - } - p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE; - if ((p8->pkeyalg->parameter->value.sequence - = ASN1_STRING_new()) == NULL) - { - EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_ASN1_LIB); - OPENSSL_free(p); - return 0; - } - ASN1_STRING_set(p8->pkeyalg->parameter->value.sequence, p, i); - OPENSSL_free(p); - } - - /* set the private key */ - - /* do not include the parameters in the SEC1 private key - * see PKCS#11 12.11 */ - old_flags = EC_KEY_get_enc_flags(pkey->pkey.ec); - tmp_flags = old_flags | EC_PKEY_NO_PARAMETERS; - EC_KEY_set_enc_flags(pkey->pkey.ec, tmp_flags); - i = i2d_ECPrivateKey(pkey->pkey.ec, NULL); - if (!i) - { - EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags); - EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB); - return 0; - } - p = (unsigned char *) OPENSSL_malloc(i); - if (!p) - { - EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags); - EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE); - return 0; - } - pp = p; - if (!i2d_ECPrivateKey(pkey->pkey.ec, &pp)) - { - EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags); - EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB); - OPENSSL_free(p); - return 0; - } - /* restore old encoding flags */ - EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags); - - switch(p8->broken) { - - case PKCS8_OK: - p8->pkey->value.octet_string = ASN1_OCTET_STRING_new(); - if (!p8->pkey->value.octet_string || - !M_ASN1_OCTET_STRING_set(p8->pkey->value.octet_string, - (const void *)p, i)) - - { - EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE); - } - else - ret = 1; - break; - case PKCS8_NO_OCTET: /* RSA specific */ - case PKCS8_NS_DB: /* DSA specific */ - case PKCS8_EMBEDDED_PARAM: /* DSA specific */ - default: - EVPerr(EVP_F_ECKEY_PKEY2PKCS8,EVP_R_ENCODE_ERROR); - } - OPENSSL_cleanse(p, (size_t)i); - OPENSSL_free(p); - return ret; -} -#endif - /* EVP_PKEY attribute functions */ int EVP_PKEY_get_attr_count(const EVP_PKEY *key) |