/* $OpenBSD: evp_pkey.c,v 1.19 2017/01/29 17:49:23 beck Exp $ */ /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL * project 1999. */ /* ==================================================================== * 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 * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #include #include #include #include #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; ASN1_OBJECT *algoid; char obj_tmp[80]; if (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8)) return NULL; if (!(pkey = EVP_PKEY_new())) { EVPerror(ERR_R_MALLOC_FAILURE); return NULL; } if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid))) { EVPerror(EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM); i2t_ASN1_OBJECT(obj_tmp, 80, algoid); ERR_asprintf_error_data("TYPE=%s", obj_tmp); goto error; } if (pkey->ameth->priv_decode) { if (!pkey->ameth->priv_decode(pkey, p8)) { EVPerror(EVP_R_PRIVATE_KEY_DECODE_ERROR); goto error; } } else { EVPerror(EVP_R_METHOD_NOT_SUPPORTED); goto error; } return pkey; error: EVP_PKEY_free(pkey); return NULL; } PKCS8_PRIV_KEY_INFO * EVP_PKEY2PKCS8(EVP_PKEY *pkey) { return EVP_PKEY2PKCS8_broken(pkey, PKCS8_OK); } /* Turn a private key into a PKCS8 structure */ PKCS8_PRIV_KEY_INFO * EVP_PKEY2PKCS8_broken(EVP_PKEY *pkey, int broken) { PKCS8_PRIV_KEY_INFO *p8; if (!(p8 = PKCS8_PRIV_KEY_INFO_new())) { EVPerror(ERR_R_MALLOC_FAILURE); return NULL; } p8->broken = broken; if (pkey->ameth) { if (pkey->ameth->priv_encode) { if (!pkey->ameth->priv_encode(p8, pkey)) { EVPerror(EVP_R_PRIVATE_KEY_ENCODE_ERROR); goto error; } } else { EVPerror(EVP_R_METHOD_NOT_SUPPORTED); goto error; } } else { EVPerror(EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM); goto error; } 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) { switch (broken) { case PKCS8_OK: p8->broken = PKCS8_OK; return p8; break; case PKCS8_NO_OCTET: p8->broken = PKCS8_NO_OCTET; p8->pkey->type = V_ASN1_SEQUENCE; return p8; break; default: EVPerror(EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE); return NULL; } } /* EVP_PKEY attribute functions */ int EVP_PKEY_get_attr_count(const EVP_PKEY *key) { return X509at_get_attr_count(key->attributes); } int EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid, int lastpos) { return X509at_get_attr_by_NID(key->attributes, nid, lastpos); } int EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY *key, ASN1_OBJECT *obj, int lastpos) { return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos); } X509_ATTRIBUTE * EVP_PKEY_get_attr(const EVP_PKEY *key, int loc) { return X509at_get_attr(key->attributes, loc); } X509_ATTRIBUTE * EVP_PKEY_delete_attr(EVP_PKEY *key, int loc) { return X509at_delete_attr(key->attributes, loc); } int EVP_PKEY_add1_attr(EVP_PKEY *key, X509_ATTRIBUTE *attr) { if (X509at_add1_attr(&key->attributes, attr)) return 1; return 0; } int EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY *key, const ASN1_OBJECT *obj, int type, const unsigned char *bytes, int len) { if (X509at_add1_attr_by_OBJ(&key->attributes, obj, type, bytes, len)) return 1; return 0; } int EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key, int nid, int type, const unsigned char *bytes, int len) { if (X509at_add1_attr_by_NID(&key->attributes, nid, type, bytes, len)) return 1; return 0; } int EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key, const char *attrname, int type, const unsigned char *bytes, int len) { if (X509at_add1_attr_by_txt(&key->attributes, attrname, type, bytes, len)) return 1; return 0; }