195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * All rights reserved. 395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * This package is an SSL implementation written 595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * by Eric Young (eay@cryptsoft.com). 695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * The implementation was written so as to conform with Netscapes SSL. 795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * This library is free for commercial and non-commercial use as long as 995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * the following conditions are aheared to. The following conditions 1095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * apply to all code found in this distribution, be it the RC4, RSA, 1195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * included with this distribution is covered by the same copyright terms 1395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * except that the holder is Tim Hudson (tjh@cryptsoft.com). 1495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 1595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * Copyright remains Eric Young's, and as such any Copyright notices in 1695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * the code are not to be removed. 1795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * If this package is used in a product, Eric Young should be given attribution 1895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * as the author of the parts of the library used. 1995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * This can be in the form of a textual message at program startup or 2095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * in documentation (online or textual) provided with the package. 2195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 2295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * Redistribution and use in source and binary forms, with or without 2395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * modification, are permitted provided that the following conditions 2495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * are met: 2595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 1. Redistributions of source code must retain the copyright 2695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * notice, this list of conditions and the following disclaimer. 2795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 2. Redistributions in binary form must reproduce the above copyright 2895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * notice, this list of conditions and the following disclaimer in the 2995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * documentation and/or other materials provided with the distribution. 3095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 3. All advertising materials mentioning features or use of this software 3195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * must display the following acknowledgement: 3295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * "This product includes cryptographic software written by 3395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * Eric Young (eay@cryptsoft.com)" 3495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * The word 'cryptographic' can be left out if the rouines from the library 3595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * being used are not cryptographic related :-). 3695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 4. If you include any Windows specific code (or a derivative thereof) from 3795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * the apps directory (application code) you must include an acknowledgement: 3895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 3995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 4095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 4995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * SUCH DAMAGE. 5195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 5295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * The licence and distribution terms for any publically available version or 5395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * derivative of this code cannot be changed. i.e. this code cannot simply be 5495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * copied and put under another distribution licence 5595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * [including the GNU Public Licence.] */ 5695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 5795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/asn1.h> 5895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/asn1t.h> 5995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/err.h> 6095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/evp.h> 6195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/mem.h> 6295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/obj.h> 6395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/x509.h> 6495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 6595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include "../evp/internal.h" 6695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 6795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 6895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Minor tweak to operation: free up EVP_PKEY */ 6995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int pubkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, 7095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley void *exarg) 7195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 7295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (operation == ASN1_OP_FREE_POST) 7395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 7495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_PUBKEY *pubkey = (X509_PUBKEY *)*pval; 7595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY_free(pubkey->pkey); 7695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 7795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 7895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 7995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 8095c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyASN1_SEQUENCE_cb(X509_PUBKEY, pubkey_cb) = { 8195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_SIMPLE(X509_PUBKEY, algor, X509_ALGOR), 8295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_SIMPLE(X509_PUBKEY, public_key, ASN1_BIT_STRING) 8395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} ASN1_SEQUENCE_END_cb(X509_PUBKEY, X509_PUBKEY) 8495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 8595c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyIMPLEMENT_ASN1_FUNCTIONS(X509_PUBKEY) 8695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 8795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint X509_PUBKEY_set(X509_PUBKEY **x, EVP_PKEY *pkey) 8895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 8995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_PUBKEY *pk=NULL; 9095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 9195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (x == NULL) return(0); 9295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 9395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if ((pk=X509_PUBKEY_new()) == NULL) goto error; 9495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 9595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (pkey->ameth) 9695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 9795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (pkey->ameth->pub_encode) 9895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 9995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!pkey->ameth->pub_encode(pk, pkey)) 10095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 10195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(X509, X509_PUBKEY_set, X509_R_PUBLIC_KEY_ENCODE_ERROR); 10295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto error; 10395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 10495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 10595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else 10695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 10795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(X509, X509_PUBKEY_set, X509_R_METHOD_NOT_SUPPORTED); 10895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto error; 10995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 11095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 11195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else 11295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 11395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(X509, X509_PUBKEY_set, X509_R_UNSUPPORTED_ALGORITHM); 11495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto error; 11595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 11695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 11795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (*x != NULL) 11895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_PUBKEY_free(*x); 11995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 12095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *x=pk; 12195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 12295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 12395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyerror: 12495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (pk != NULL) X509_PUBKEY_free(pk); 12595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 12695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 12795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 12895c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyEVP_PKEY *X509_PUBKEY_get(X509_PUBKEY *key) 12995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 13095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY *ret=NULL; 13195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 13295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (key == NULL) goto error; 13395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 13495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (key->pkey != NULL) 13595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 136e6e15fc3a19ac6e4317d7245df24313c261fc2bbDavid Benjamin return EVP_PKEY_dup(key->pkey); 13795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 13895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 13995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (key->public_key == NULL) goto error; 14095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 14195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if ((ret = EVP_PKEY_new()) == NULL) 14295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 14395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(X509, X509_PUBKEY_get, ERR_R_MALLOC_FAILURE); 14495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto error; 14595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 14695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 14795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!EVP_PKEY_set_type(ret, OBJ_obj2nid(key->algor->algorithm))) 14895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 14995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(X509, X509_PUBKEY_get, X509_R_UNSUPPORTED_ALGORITHM); 15095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto error; 15195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 15295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 15395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (ret->ameth->pub_decode) 15495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 15595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!ret->ameth->pub_decode(ret, key)) 15695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 15795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(X509, X509_PUBKEY_get, X509_R_PUBLIC_KEY_DECODE_ERROR); 15895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto error; 15995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 16095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 16195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else 16295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 16395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(X509, X509_PUBKEY_get, X509_R_METHOD_NOT_SUPPORTED); 16495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto error; 16595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 16695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 16795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Check to see if another thread set key->pkey first */ 16895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley CRYPTO_w_lock(CRYPTO_LOCK_EVP_PKEY); 16995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (key->pkey) 17095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 17195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley CRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY); 17295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY_free(ret); 17395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = key->pkey; 17495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 17595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else 17695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 17795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley key->pkey = ret; 17895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley CRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY); 17995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 18095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 181e6e15fc3a19ac6e4317d7245df24313c261fc2bbDavid Benjamin return EVP_PKEY_dup(ret); 18295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 18395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley error: 18495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (ret != NULL) 18595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY_free(ret); 18695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return(NULL); 18795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 18895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 18995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Now two pseudo ASN1 routines that take an EVP_PKEY structure 19095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * and encode or decode as X509_PUBKEY 19195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley */ 19295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 19395c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyEVP_PKEY *d2i_PUBKEY(EVP_PKEY **a, const unsigned char **pp, 19495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley long length) 19595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 19695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_PUBKEY *xpk; 19795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY *pktmp; 19895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley xpk = d2i_X509_PUBKEY(NULL, pp, length); 19995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!xpk) return NULL; 20095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley pktmp = X509_PUBKEY_get(xpk); 20195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_PUBKEY_free(xpk); 20295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!pktmp) return NULL; 20395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(a) 20495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 20595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY_free(*a); 20695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *a = pktmp; 20795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 20895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return pktmp; 20995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 21095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 21195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint i2d_PUBKEY(const EVP_PKEY *a, unsigned char **pp) 21295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 21395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_PUBKEY *xpk=NULL; 21495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int ret; 21595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!a) return 0; 21695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!X509_PUBKEY_set(&xpk, (EVP_PKEY*) a)) return 0; 21795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = i2d_X509_PUBKEY(xpk, pp); 21895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_PUBKEY_free(xpk); 21995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return ret; 22095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 22195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 22295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* The following are equivalents but which return RSA and DSA 22395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * keys 22495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley */ 22595c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyRSA *d2i_RSA_PUBKEY(RSA **a, const unsigned char **pp, 22695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley long length) 22795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 22895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY *pkey; 22995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley RSA *key; 23095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const unsigned char *q; 23195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley q = *pp; 23295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley pkey = d2i_PUBKEY(NULL, &q, length); 23395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!pkey) return NULL; 23495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley key = EVP_PKEY_get1_RSA(pkey); 23595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY_free(pkey); 23695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!key) return NULL; 23795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pp = q; 23895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (a) 23995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 24095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley RSA_free(*a); 24195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *a = key; 24295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 24395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return key; 24495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 24595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 24695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint i2d_RSA_PUBKEY(const RSA *a, unsigned char **pp) 24795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 24895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY *pktmp; 24995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int ret; 25095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!a) return 0; 25195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley pktmp = EVP_PKEY_new(); 25295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!pktmp) 25395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 25495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(X509, i2d_RSA_PUBKEY, ERR_R_MALLOC_FAILURE); 25595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 25695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 25795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY_set1_RSA(pktmp, (RSA*) a); 25895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = i2d_PUBKEY(pktmp, pp); 25995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY_free(pktmp); 26095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return ret; 26195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 26295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 26395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#ifndef OPENSSL_NO_DSA 26495c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyDSA *d2i_DSA_PUBKEY(DSA **a, const unsigned char **pp, 26595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley long length) 26695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 26795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY *pkey; 26895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley DSA *key; 26995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const unsigned char *q; 27095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley q = *pp; 27195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley pkey = d2i_PUBKEY(NULL, &q, length); 27295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!pkey) return NULL; 27395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley key = EVP_PKEY_get1_DSA(pkey); 27495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY_free(pkey); 27595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!key) return NULL; 27695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pp = q; 27795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (a) 27895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 27995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley DSA_free(*a); 28095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *a = key; 28195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 28295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return key; 28395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 28495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 28595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint i2d_DSA_PUBKEY(const DSA *a, unsigned char **pp) 28695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 28795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY *pktmp; 28895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int ret; 28995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!a) return 0; 29095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley pktmp = EVP_PKEY_new(); 29195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!pktmp) 29295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 29395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(X509, i2d_DSA_PUBKEY, ERR_R_MALLOC_FAILURE); 29495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 29595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 29695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY_set1_DSA(pktmp, (DSA*) a); 29795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = i2d_PUBKEY(pktmp, pp); 29895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY_free(pktmp); 29995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return ret; 30095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 30195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#endif 30295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 30395c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyEC_KEY *d2i_EC_PUBKEY(EC_KEY **a, const unsigned char **pp, long length) 30495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 30595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY *pkey; 30695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EC_KEY *key; 30795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const unsigned char *q; 30895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley q = *pp; 30995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley pkey = d2i_PUBKEY(NULL, &q, length); 31095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!pkey) return(NULL); 31195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley key = EVP_PKEY_get1_EC_KEY(pkey); 31295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY_free(pkey); 31395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!key) return(NULL); 31495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pp = q; 31595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (a) 31695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 31795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EC_KEY_free(*a); 31895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *a = key; 31995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 32095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return(key); 32195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 32295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 32395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint i2d_EC_PUBKEY(const EC_KEY *a, unsigned char **pp) 32495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 32595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY *pktmp; 32695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int ret; 32795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!a) return(0); 32895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if ((pktmp = EVP_PKEY_new()) == NULL) 32995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 33095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(X509, i2d_EC_PUBKEY, ERR_R_MALLOC_FAILURE); 33195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return(0); 33295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 33395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY_set1_EC_KEY(pktmp, (EC_KEY*) a); 33495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = i2d_PUBKEY(pktmp, pp); 33595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley EVP_PKEY_free(pktmp); 33695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return(ret); 33795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 33895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 33995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint X509_PUBKEY_set0_param(X509_PUBKEY *pub, const ASN1_OBJECT *aobj, 34095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int ptype, void *pval, 34195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley unsigned char *penc, int penclen) 34295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 34395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!X509_ALGOR_set0(pub->algor, aobj, ptype, pval)) 34495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 34595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (penc) 34695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 34795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (pub->public_key->data) 34895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_free(pub->public_key->data); 34995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley pub->public_key->data = penc; 35095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley pub->public_key->length = penclen; 35195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Set number of unused bits to zero */ 35295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley pub->public_key->flags&= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07); 35395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley pub->public_key->flags|=ASN1_STRING_FLAG_BITS_LEFT; 35495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 35595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 35695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 35795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 35895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint X509_PUBKEY_get0_param(ASN1_OBJECT **ppkalg, 35995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const unsigned char **pk, int *ppklen, 36095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_ALGOR **pa, 36195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_PUBKEY *pub) 36295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 36395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (ppkalg) 36495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *ppkalg = pub->algor->algorithm; 36595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (pk) 36695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 36795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pk = pub->public_key->data; 36895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *ppklen = pub->public_key->length; 36995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 37095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (pa) 37195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pa = pub->algor; 37295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 37395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 374