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/* $OpenBSD: evp_pkey.c,v 1.18 2014/10/18 17:20:40 jsing Exp $ */ |
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
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* project 1999. |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* licensing@OpenSSL.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <openssl/err.h> |
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#include <openssl/x509.h> |
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#include "asn1_locl.h" |
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/* Extract a private key from a PKCS8 structure */ |
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EVP_PKEY * |
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EVP_PKCS82PKEY(PKCS8_PRIV_KEY_INFO *p8) |
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{ |
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EVP_PKEY *pkey = NULL; |
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ASN1_OBJECT *algoid; |
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char obj_tmp[80]; |
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if (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8)) |
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return NULL; |
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if (!(pkey = EVP_PKEY_new())) { |
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EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_MALLOC_FAILURE); |
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return NULL; |
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} |
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if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid))) { |
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EVPerr(EVP_F_EVP_PKCS82PKEY, |
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EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM); |
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i2t_ASN1_OBJECT(obj_tmp, 80, algoid); |
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ERR_asprintf_error_data("TYPE=%s", obj_tmp); |
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goto error; |
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} |
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if (pkey->ameth->priv_decode) { |
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if (!pkey->ameth->priv_decode(pkey, p8)) { |
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EVPerr(EVP_F_EVP_PKCS82PKEY, |
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EVP_R_PRIVATE_KEY_DECODE_ERROR); |
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goto error; |
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} |
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} else { |
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EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_METHOD_NOT_SUPPORTED); |
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goto error; |
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} |
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return pkey; |
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error: |
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EVP_PKEY_free(pkey); |
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return NULL; |
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} |
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PKCS8_PRIV_KEY_INFO * |
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EVP_PKEY2PKCS8(EVP_PKEY *pkey) |
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{ |
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return EVP_PKEY2PKCS8_broken(pkey, PKCS8_OK); |
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} |
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/* Turn a private key into a PKCS8 structure */ |
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PKCS8_PRIV_KEY_INFO * |
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EVP_PKEY2PKCS8_broken(EVP_PKEY *pkey, int broken) |
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{ |
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PKCS8_PRIV_KEY_INFO *p8; |
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if (!(p8 = PKCS8_PRIV_KEY_INFO_new())) { |
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EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, ERR_R_MALLOC_FAILURE); |
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return NULL; |
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} |
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p8->broken = broken; |
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if (pkey->ameth) { |
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if (pkey->ameth->priv_encode) { |
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if (!pkey->ameth->priv_encode(p8, pkey)) { |
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EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, |
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EVP_R_PRIVATE_KEY_ENCODE_ERROR); |
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goto error; |
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} |
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} else { |
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EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, |
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EVP_R_METHOD_NOT_SUPPORTED); |
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goto error; |
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} |
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} else { |
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EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, |
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EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM); |
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goto error; |
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} |
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return p8; |
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error: |
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PKCS8_PRIV_KEY_INFO_free(p8); |
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return NULL; |
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} |
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PKCS8_PRIV_KEY_INFO * |
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PKCS8_set_broken(PKCS8_PRIV_KEY_INFO *p8, int broken) |
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{ |
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switch (broken) { |
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case PKCS8_OK: |
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p8->broken = PKCS8_OK; |
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return p8; |
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break; |
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case PKCS8_NO_OCTET: |
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p8->broken = PKCS8_NO_OCTET; |
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p8->pkey->type = V_ASN1_SEQUENCE; |
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return p8; |
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break; |
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default: |
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EVPerr(EVP_F_PKCS8_SET_BROKEN, EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE); |
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return NULL; |
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} |
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} |
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/* EVP_PKEY attribute functions */ |
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int |
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EVP_PKEY_get_attr_count(const EVP_PKEY *key) |
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{ |
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return X509at_get_attr_count(key->attributes); |
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} |
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int |
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EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid, int lastpos) |
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{ |
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return X509at_get_attr_by_NID(key->attributes, nid, lastpos); |
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} |
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int |
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EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY *key, ASN1_OBJECT *obj, int lastpos) |
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{ |
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return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos); |
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} |
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X509_ATTRIBUTE * |
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EVP_PKEY_get_attr(const EVP_PKEY *key, int loc) |
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{ |
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return X509at_get_attr(key->attributes, loc); |
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} |
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X509_ATTRIBUTE * |
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EVP_PKEY_delete_attr(EVP_PKEY *key, int loc) |
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{ |
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return X509at_delete_attr(key->attributes, loc); |
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} |
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int |
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EVP_PKEY_add1_attr(EVP_PKEY *key, X509_ATTRIBUTE *attr) |
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{ |
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if (X509at_add1_attr(&key->attributes, attr)) |
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return 1; |
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return 0; |
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} |
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int |
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EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY *key, const ASN1_OBJECT *obj, int type, |
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const unsigned char *bytes, int len) |
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{ |
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if (X509at_add1_attr_by_OBJ(&key->attributes, obj, type, bytes, len)) |
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return 1; |
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return 0; |
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} |
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int |
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EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key, int nid, int type, |
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const unsigned char *bytes, int len) |
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{ |
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if (X509at_add1_attr_by_NID(&key->attributes, nid, type, bytes, len)) |
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return 1; |
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return 0; |
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} |
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int |
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EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key, const char *attrname, int type, |
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const unsigned char *bytes, int len) |
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{ |
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if (X509at_add1_attr_by_txt(&key->attributes, attrname, type, |
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bytes, len)) |
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return 1; |
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return 0; |
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} |