First Commit
This commit is contained in:
741
externals/libressl/crypto/asn1/x_pubkey.c
vendored
Normal file
741
externals/libressl/crypto/asn1/x_pubkey.c
vendored
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@@ -0,0 +1,741 @@
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/* $OpenBSD: x_pubkey.c,v 1.33 2022/11/26 16:08:50 tb Exp $ */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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||||
*
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||||
* This library is free for commercial and non-commercial use as long as
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||||
* the following conditions are aheared to. The following conditions
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||||
* apply to all code found in this distribution, be it the RC4, RSA,
|
||||
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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||||
* included with this distribution is covered by the same copyright terms
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||||
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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||||
*
|
||||
* Copyright remains Eric Young's, and as such any Copyright notices in
|
||||
* the code are not to be removed.
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||||
* If this package is used in a product, Eric Young should be given attribution
|
||||
* as the author of the parts of the library used.
|
||||
* This can be in the form of a textual message at program startup or
|
||||
* in documentation (online or textual) provided with the package.
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||||
*
|
||||
* 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 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 acknowledgement:
|
||||
* "This product includes cryptographic software written by
|
||||
* Eric Young (eay@cryptsoft.com)"
|
||||
* The word 'cryptographic' can be left out if the rouines from the library
|
||||
* being used are not cryptographic related :-).
|
||||
* 4. If you include any Windows specific code (or a derivative thereof) from
|
||||
* the apps directory (application code) you must include an acknowledgement:
|
||||
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
||||
* ANY EXPRESS 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 AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
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||||
*
|
||||
* The licence and distribution terms for any publically available version or
|
||||
* derivative of this code cannot be changed. i.e. this code cannot simply be
|
||||
* copied and put under another distribution licence
|
||||
* [including the GNU Public Licence.]
|
||||
*/
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#include <stdio.h>
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#include <openssl/opensslconf.h>
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#include <openssl/asn1t.h>
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#include <openssl/err.h>
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#include <openssl/x509.h>
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#ifndef OPENSSL_NO_DSA
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#include <openssl/dsa.h>
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#endif
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#ifndef OPENSSL_NO_RSA
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#include <openssl/rsa.h>
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#endif
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#include "asn1_local.h"
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#include "evp_local.h"
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#include "x509_local.h"
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/* Minor tweak to operation: free up EVP_PKEY */
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static int
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pubkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
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{
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if (operation == ASN1_OP_FREE_POST) {
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X509_PUBKEY *pubkey = (X509_PUBKEY *)*pval;
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EVP_PKEY_free(pubkey->pkey);
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}
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return 1;
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}
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static const ASN1_AUX X509_PUBKEY_aux = {
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.asn1_cb = pubkey_cb,
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};
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static const ASN1_TEMPLATE X509_PUBKEY_seq_tt[] = {
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{
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.offset = offsetof(X509_PUBKEY, algor),
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.field_name = "algor",
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.item = &X509_ALGOR_it,
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},
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{
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.offset = offsetof(X509_PUBKEY, public_key),
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.field_name = "public_key",
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.item = &ASN1_BIT_STRING_it,
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},
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};
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const ASN1_ITEM X509_PUBKEY_it = {
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.itype = ASN1_ITYPE_SEQUENCE,
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.utype = V_ASN1_SEQUENCE,
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.templates = X509_PUBKEY_seq_tt,
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.tcount = sizeof(X509_PUBKEY_seq_tt) / sizeof(ASN1_TEMPLATE),
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.funcs = &X509_PUBKEY_aux,
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.size = sizeof(X509_PUBKEY),
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.sname = "X509_PUBKEY",
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};
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X509_PUBKEY *
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d2i_X509_PUBKEY(X509_PUBKEY **a, const unsigned char **in, long len)
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{
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return (X509_PUBKEY *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
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&X509_PUBKEY_it);
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}
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int
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i2d_X509_PUBKEY(X509_PUBKEY *a, unsigned char **out)
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{
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return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_PUBKEY_it);
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}
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X509_PUBKEY *
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X509_PUBKEY_new(void)
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{
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return (X509_PUBKEY *)ASN1_item_new(&X509_PUBKEY_it);
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}
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void
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X509_PUBKEY_free(X509_PUBKEY *a)
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{
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ASN1_item_free((ASN1_VALUE *)a, &X509_PUBKEY_it);
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}
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int
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X509_PUBKEY_set(X509_PUBKEY **x, EVP_PKEY *pkey)
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{
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X509_PUBKEY *pk = NULL;
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if (x == NULL)
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return (0);
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if ((pk = X509_PUBKEY_new()) == NULL)
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goto error;
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if (pkey->ameth) {
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if (pkey->ameth->pub_encode) {
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if (!pkey->ameth->pub_encode(pk, pkey)) {
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X509error(X509_R_PUBLIC_KEY_ENCODE_ERROR);
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goto error;
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}
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} else {
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X509error(X509_R_METHOD_NOT_SUPPORTED);
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goto error;
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}
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} else {
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X509error(X509_R_UNSUPPORTED_ALGORITHM);
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goto error;
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}
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if (*x != NULL)
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X509_PUBKEY_free(*x);
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*x = pk;
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return 1;
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error:
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if (pk != NULL)
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X509_PUBKEY_free(pk);
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return 0;
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}
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EVP_PKEY *
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X509_PUBKEY_get0(X509_PUBKEY *key)
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{
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EVP_PKEY *ret = NULL;
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if (key == NULL)
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goto error;
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if (key->pkey != NULL)
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return key->pkey;
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if (key->public_key == NULL)
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goto error;
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if ((ret = EVP_PKEY_new()) == NULL) {
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X509error(ERR_R_MALLOC_FAILURE);
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goto error;
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}
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if (!EVP_PKEY_set_type(ret, OBJ_obj2nid(key->algor->algorithm))) {
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X509error(X509_R_UNSUPPORTED_ALGORITHM);
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goto error;
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}
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if (ret->ameth->pub_decode) {
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if (!ret->ameth->pub_decode(ret, key)) {
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X509error(X509_R_PUBLIC_KEY_DECODE_ERROR);
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goto error;
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}
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} else {
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X509error(X509_R_METHOD_NOT_SUPPORTED);
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goto error;
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}
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/* Check to see if another thread set key->pkey first */
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CRYPTO_w_lock(CRYPTO_LOCK_EVP_PKEY);
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if (key->pkey) {
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CRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY);
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EVP_PKEY_free(ret);
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ret = key->pkey;
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} else {
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key->pkey = ret;
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CRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY);
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}
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return ret;
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error:
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EVP_PKEY_free(ret);
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return (NULL);
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}
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EVP_PKEY *
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X509_PUBKEY_get(X509_PUBKEY *key)
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{
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EVP_PKEY *pkey;
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if ((pkey = X509_PUBKEY_get0(key)) == NULL)
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return (NULL);
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CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
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return pkey;
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}
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/*
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* Decode an X509_PUBKEY into the specified key type.
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*/
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static int
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pubkey_ex_d2i(int pkey_type, ASN1_VALUE **pval, const unsigned char **in,
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long len, const ASN1_ITEM *it)
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{
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const ASN1_EXTERN_FUNCS *ef = it->funcs;
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const unsigned char *p = *in;
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X509_PUBKEY *xpk = NULL;
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ASN1_VALUE *key = NULL;
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EVP_PKEY *pkey = NULL;
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int ret = 0;
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if ((xpk = d2i_X509_PUBKEY(NULL, &p, len)) == NULL)
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goto err;
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if ((pkey = X509_PUBKEY_get(xpk)) == NULL)
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goto err;
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switch (pkey_type) {
|
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case EVP_PKEY_NONE:
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key = (ASN1_VALUE *)pkey;
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pkey = NULL;
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break;
|
||||
|
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case EVP_PKEY_DSA:
|
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key = (ASN1_VALUE *)EVP_PKEY_get1_DSA(pkey);
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break;
|
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||||
case EVP_PKEY_RSA:
|
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key = (ASN1_VALUE *)EVP_PKEY_get1_RSA(pkey);
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break;
|
||||
|
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case EVP_PKEY_EC:
|
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key = (ASN1_VALUE *)EVP_PKEY_get1_EC_KEY(pkey);
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||||
break;
|
||||
|
||||
default:
|
||||
goto err;
|
||||
}
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||||
|
||||
if (key == NULL)
|
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goto err;
|
||||
|
||||
ef->asn1_ex_free(pval, it);
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||||
|
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*pval = key;
|
||||
*in = p;
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||||
ret = 1;
|
||||
|
||||
err:
|
||||
EVP_PKEY_free(pkey);
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||||
X509_PUBKEY_free(xpk);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Encode the specified key type into an X509_PUBKEY.
|
||||
*/
|
||||
static int
|
||||
pubkey_ex_i2d(int pkey_type, ASN1_VALUE **pval, unsigned char **out,
|
||||
const ASN1_ITEM *it)
|
||||
{
|
||||
X509_PUBKEY *xpk = NULL;
|
||||
EVP_PKEY *pkey, *pktmp;
|
||||
int ret = -1;
|
||||
|
||||
if ((pkey = pktmp = EVP_PKEY_new()) == NULL)
|
||||
goto err;
|
||||
|
||||
switch (pkey_type) {
|
||||
case EVP_PKEY_NONE:
|
||||
pkey = (EVP_PKEY *)*pval;
|
||||
break;
|
||||
|
||||
case EVP_PKEY_DSA:
|
||||
if (!EVP_PKEY_set1_DSA(pkey, (DSA *)*pval))
|
||||
goto err;
|
||||
break;
|
||||
|
||||
case EVP_PKEY_RSA:
|
||||
if (!EVP_PKEY_set1_RSA(pkey, (RSA *)*pval))
|
||||
goto err;
|
||||
break;
|
||||
|
||||
case EVP_PKEY_EC:
|
||||
if (!EVP_PKEY_set1_EC_KEY(pkey, (EC_KEY*)*pval))
|
||||
goto err;
|
||||
break;
|
||||
|
||||
default:
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (!X509_PUBKEY_set(&xpk, pkey))
|
||||
goto err;
|
||||
|
||||
ret = i2d_X509_PUBKEY(xpk, out);
|
||||
|
||||
err:
|
||||
EVP_PKEY_free(pktmp);
|
||||
X509_PUBKEY_free(xpk);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int
|
||||
pkey_pubkey_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it)
|
||||
{
|
||||
if ((*pval = (ASN1_VALUE *)EVP_PKEY_new()) == NULL)
|
||||
return 0;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void
|
||||
pkey_pubkey_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
|
||||
{
|
||||
EVP_PKEY_free((EVP_PKEY *)*pval);
|
||||
*pval = NULL;
|
||||
}
|
||||
|
||||
static int
|
||||
pkey_pubkey_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
|
||||
const ASN1_ITEM *it, int tag, int aclass, char opt, ASN1_TLC *ctx)
|
||||
{
|
||||
return pubkey_ex_d2i(EVP_PKEY_NONE, pval, in, len, it);
|
||||
}
|
||||
|
||||
static int
|
||||
pkey_pubkey_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it,
|
||||
int tag, int aclass)
|
||||
{
|
||||
return pubkey_ex_i2d(EVP_PKEY_NONE, pval, out, it);
|
||||
}
|
||||
|
||||
const ASN1_EXTERN_FUNCS pkey_pubkey_asn1_ff = {
|
||||
.app_data = NULL,
|
||||
.asn1_ex_new = pkey_pubkey_ex_new,
|
||||
.asn1_ex_free = pkey_pubkey_ex_free,
|
||||
.asn1_ex_clear = NULL,
|
||||
.asn1_ex_d2i = pkey_pubkey_ex_d2i,
|
||||
.asn1_ex_i2d = pkey_pubkey_ex_i2d,
|
||||
.asn1_ex_print = NULL,
|
||||
};
|
||||
|
||||
const ASN1_ITEM EVP_PKEY_PUBKEY_it = {
|
||||
.itype = ASN1_ITYPE_EXTERN,
|
||||
.utype = 0,
|
||||
.templates = NULL,
|
||||
.tcount = 0,
|
||||
.funcs = &pkey_pubkey_asn1_ff,
|
||||
.size = 0,
|
||||
.sname = NULL,
|
||||
};
|
||||
|
||||
EVP_PKEY *
|
||||
d2i_PUBKEY(EVP_PKEY **pkey, const unsigned char **in, long len)
|
||||
{
|
||||
return (EVP_PKEY *)ASN1_item_d2i((ASN1_VALUE **)pkey, in, len,
|
||||
&EVP_PKEY_PUBKEY_it);
|
||||
}
|
||||
|
||||
int
|
||||
i2d_PUBKEY(EVP_PKEY *pkey, unsigned char **out)
|
||||
{
|
||||
return ASN1_item_i2d((ASN1_VALUE *)pkey, out, &EVP_PKEY_PUBKEY_it);
|
||||
}
|
||||
|
||||
EVP_PKEY *
|
||||
d2i_PUBKEY_bio(BIO *bp, EVP_PKEY **pkey)
|
||||
{
|
||||
return (EVP_PKEY *)ASN1_item_d2i_bio(&EVP_PKEY_PUBKEY_it, bp,
|
||||
(ASN1_VALUE **)pkey);
|
||||
}
|
||||
|
||||
int
|
||||
i2d_PUBKEY_bio(BIO *bp, EVP_PKEY *pkey)
|
||||
{
|
||||
return ASN1_item_i2d_bio(&EVP_PKEY_PUBKEY_it, bp, (ASN1_VALUE *)pkey);
|
||||
}
|
||||
|
||||
EVP_PKEY *
|
||||
d2i_PUBKEY_fp(FILE *fp, EVP_PKEY **pkey)
|
||||
{
|
||||
return (EVP_PKEY *)ASN1_item_d2i_fp(&EVP_PKEY_PUBKEY_it, fp,
|
||||
(ASN1_VALUE **)pkey);
|
||||
}
|
||||
|
||||
int
|
||||
i2d_PUBKEY_fp(FILE *fp, EVP_PKEY *pkey)
|
||||
{
|
||||
return ASN1_item_i2d_fp(&EVP_PKEY_PUBKEY_it, fp, (ASN1_VALUE *)pkey);
|
||||
}
|
||||
|
||||
/*
|
||||
* The following are equivalents but which return RSA and DSA keys.
|
||||
*/
|
||||
#ifndef OPENSSL_NO_RSA
|
||||
|
||||
static int
|
||||
rsa_pubkey_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it)
|
||||
{
|
||||
if ((*pval = (ASN1_VALUE *)RSA_new()) == NULL)
|
||||
return 0;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void
|
||||
rsa_pubkey_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
|
||||
{
|
||||
RSA_free((RSA *)*pval);
|
||||
*pval = NULL;
|
||||
}
|
||||
|
||||
static int
|
||||
rsa_pubkey_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
|
||||
const ASN1_ITEM *it, int tag, int aclass, char opt, ASN1_TLC *ctx)
|
||||
{
|
||||
return pubkey_ex_d2i(EVP_PKEY_RSA, pval, in, len, it);
|
||||
}
|
||||
|
||||
static int
|
||||
rsa_pubkey_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it,
|
||||
int tag, int aclass)
|
||||
{
|
||||
return pubkey_ex_i2d(EVP_PKEY_RSA, pval, out, it);
|
||||
}
|
||||
|
||||
const ASN1_EXTERN_FUNCS rsa_pubkey_asn1_ff = {
|
||||
.app_data = NULL,
|
||||
.asn1_ex_new = rsa_pubkey_ex_new,
|
||||
.asn1_ex_free = rsa_pubkey_ex_free,
|
||||
.asn1_ex_clear = NULL,
|
||||
.asn1_ex_d2i = rsa_pubkey_ex_d2i,
|
||||
.asn1_ex_i2d = rsa_pubkey_ex_i2d,
|
||||
.asn1_ex_print = NULL,
|
||||
};
|
||||
|
||||
const ASN1_ITEM RSA_PUBKEY_it = {
|
||||
.itype = ASN1_ITYPE_EXTERN,
|
||||
.utype = 0,
|
||||
.templates = NULL,
|
||||
.tcount = 0,
|
||||
.funcs = &rsa_pubkey_asn1_ff,
|
||||
.size = 0,
|
||||
.sname = NULL,
|
||||
};
|
||||
|
||||
RSA *
|
||||
d2i_RSA_PUBKEY(RSA **rsa, const unsigned char **in, long len)
|
||||
{
|
||||
return (RSA *)ASN1_item_d2i((ASN1_VALUE **)rsa, in, len,
|
||||
&RSA_PUBKEY_it);
|
||||
}
|
||||
|
||||
int
|
||||
i2d_RSA_PUBKEY(RSA *rsa, unsigned char **out)
|
||||
{
|
||||
return ASN1_item_i2d((ASN1_VALUE *)rsa, out, &RSA_PUBKEY_it);
|
||||
}
|
||||
|
||||
RSA *
|
||||
d2i_RSA_PUBKEY_bio(BIO *bp, RSA **rsa)
|
||||
{
|
||||
return (RSA *)ASN1_item_d2i_bio(&RSA_PUBKEY_it, bp, (ASN1_VALUE **)rsa);
|
||||
}
|
||||
|
||||
int
|
||||
i2d_RSA_PUBKEY_bio(BIO *bp, RSA *rsa)
|
||||
{
|
||||
return ASN1_item_i2d_bio(&RSA_PUBKEY_it, bp, (ASN1_VALUE *)rsa);
|
||||
}
|
||||
|
||||
RSA *
|
||||
d2i_RSA_PUBKEY_fp(FILE *fp, RSA **rsa)
|
||||
{
|
||||
return (RSA *)ASN1_item_d2i_fp(&RSA_PUBKEY_it, fp, (ASN1_VALUE **)rsa);
|
||||
}
|
||||
|
||||
int
|
||||
i2d_RSA_PUBKEY_fp(FILE *fp, RSA *rsa)
|
||||
{
|
||||
return ASN1_item_i2d_fp(&RSA_PUBKEY_it, fp, (ASN1_VALUE *)rsa);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifndef OPENSSL_NO_DSA
|
||||
|
||||
static int
|
||||
dsa_pubkey_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it)
|
||||
{
|
||||
if ((*pval = (ASN1_VALUE *)DSA_new()) == NULL)
|
||||
return 0;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void
|
||||
dsa_pubkey_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
|
||||
{
|
||||
DSA_free((DSA *)*pval);
|
||||
*pval = NULL;
|
||||
}
|
||||
|
||||
static int
|
||||
dsa_pubkey_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
|
||||
const ASN1_ITEM *it, int tag, int aclass, char opt, ASN1_TLC *ctx)
|
||||
{
|
||||
return pubkey_ex_d2i(EVP_PKEY_DSA, pval, in, len, it);
|
||||
}
|
||||
|
||||
static int
|
||||
dsa_pubkey_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it,
|
||||
int tag, int aclass)
|
||||
{
|
||||
return pubkey_ex_i2d(EVP_PKEY_DSA, pval, out, it);
|
||||
}
|
||||
|
||||
const ASN1_EXTERN_FUNCS dsa_pubkey_asn1_ff = {
|
||||
.app_data = NULL,
|
||||
.asn1_ex_new = dsa_pubkey_ex_new,
|
||||
.asn1_ex_free = dsa_pubkey_ex_free,
|
||||
.asn1_ex_clear = NULL,
|
||||
.asn1_ex_d2i = dsa_pubkey_ex_d2i,
|
||||
.asn1_ex_i2d = dsa_pubkey_ex_i2d,
|
||||
.asn1_ex_print = NULL,
|
||||
};
|
||||
|
||||
const ASN1_ITEM DSA_PUBKEY_it = {
|
||||
.itype = ASN1_ITYPE_EXTERN,
|
||||
.utype = 0,
|
||||
.templates = NULL,
|
||||
.tcount = 0,
|
||||
.funcs = &dsa_pubkey_asn1_ff,
|
||||
.size = 0,
|
||||
.sname = NULL,
|
||||
};
|
||||
|
||||
DSA *
|
||||
d2i_DSA_PUBKEY(DSA **dsa, const unsigned char **in, long len)
|
||||
{
|
||||
return (DSA *)ASN1_item_d2i((ASN1_VALUE **)dsa, in, len,
|
||||
&DSA_PUBKEY_it);
|
||||
}
|
||||
|
||||
int
|
||||
i2d_DSA_PUBKEY(DSA *dsa, unsigned char **out)
|
||||
{
|
||||
return ASN1_item_i2d((ASN1_VALUE *)dsa, out, &DSA_PUBKEY_it);
|
||||
}
|
||||
|
||||
DSA *
|
||||
d2i_DSA_PUBKEY_bio(BIO *bp, DSA **dsa)
|
||||
{
|
||||
return (DSA *)ASN1_item_d2i_bio(&DSA_PUBKEY_it, bp, (ASN1_VALUE **)dsa);
|
||||
}
|
||||
|
||||
int
|
||||
i2d_DSA_PUBKEY_bio(BIO *bp, DSA *dsa)
|
||||
{
|
||||
return ASN1_item_i2d_bio(&DSA_PUBKEY_it, bp, (ASN1_VALUE *)dsa);
|
||||
}
|
||||
|
||||
DSA *
|
||||
d2i_DSA_PUBKEY_fp(FILE *fp, DSA **dsa)
|
||||
{
|
||||
return (DSA *)ASN1_item_d2i_fp(&DSA_PUBKEY_it, fp, (ASN1_VALUE **)dsa);
|
||||
}
|
||||
|
||||
int
|
||||
i2d_DSA_PUBKEY_fp(FILE *fp, DSA *dsa)
|
||||
{
|
||||
return ASN1_item_i2d_fp(&DSA_PUBKEY_it, fp, (ASN1_VALUE *)dsa);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#ifndef OPENSSL_NO_EC
|
||||
|
||||
static int
|
||||
ec_pubkey_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it)
|
||||
{
|
||||
if ((*pval = (ASN1_VALUE *)EC_KEY_new()) == NULL)
|
||||
return 0;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void
|
||||
ec_pubkey_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
|
||||
{
|
||||
EC_KEY_free((EC_KEY *)*pval);
|
||||
*pval = NULL;
|
||||
}
|
||||
|
||||
static int
|
||||
ec_pubkey_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
|
||||
const ASN1_ITEM *it, int tag, int aclass, char opt, ASN1_TLC *ctx)
|
||||
{
|
||||
return pubkey_ex_d2i(EVP_PKEY_EC, pval, in, len, it);
|
||||
}
|
||||
|
||||
static int
|
||||
ec_pubkey_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it,
|
||||
int tag, int aclass)
|
||||
{
|
||||
return pubkey_ex_i2d(EVP_PKEY_EC, pval, out, it);
|
||||
}
|
||||
|
||||
const ASN1_EXTERN_FUNCS ec_pubkey_asn1_ff = {
|
||||
.app_data = NULL,
|
||||
.asn1_ex_new = ec_pubkey_ex_new,
|
||||
.asn1_ex_free = ec_pubkey_ex_free,
|
||||
.asn1_ex_clear = NULL,
|
||||
.asn1_ex_d2i = ec_pubkey_ex_d2i,
|
||||
.asn1_ex_i2d = ec_pubkey_ex_i2d,
|
||||
.asn1_ex_print = NULL,
|
||||
};
|
||||
|
||||
const ASN1_ITEM EC_PUBKEY_it = {
|
||||
.itype = ASN1_ITYPE_EXTERN,
|
||||
.utype = 0,
|
||||
.templates = NULL,
|
||||
.tcount = 0,
|
||||
.funcs = &ec_pubkey_asn1_ff,
|
||||
.size = 0,
|
||||
.sname = NULL,
|
||||
};
|
||||
|
||||
EC_KEY *
|
||||
d2i_EC_PUBKEY(EC_KEY **ec, const unsigned char **in, long len)
|
||||
{
|
||||
return (EC_KEY *)ASN1_item_d2i((ASN1_VALUE **)ec, in, len,
|
||||
&EC_PUBKEY_it);
|
||||
}
|
||||
|
||||
int
|
||||
i2d_EC_PUBKEY(EC_KEY *ec, unsigned char **out)
|
||||
{
|
||||
return ASN1_item_i2d((ASN1_VALUE *)ec, out, &EC_PUBKEY_it);
|
||||
}
|
||||
|
||||
EC_KEY *
|
||||
d2i_EC_PUBKEY_bio(BIO *bp, EC_KEY **ec)
|
||||
{
|
||||
return (EC_KEY *)ASN1_item_d2i_bio(&EC_PUBKEY_it, bp, (ASN1_VALUE **)ec);
|
||||
}
|
||||
|
||||
int
|
||||
i2d_EC_PUBKEY_bio(BIO *bp, EC_KEY *ec)
|
||||
{
|
||||
return ASN1_item_i2d_bio(&EC_PUBKEY_it, bp, (ASN1_VALUE *)ec);
|
||||
}
|
||||
|
||||
EC_KEY *
|
||||
d2i_EC_PUBKEY_fp(FILE *fp, EC_KEY **ec)
|
||||
{
|
||||
return (EC_KEY *)ASN1_item_d2i_fp(&EC_PUBKEY_it, fp, (ASN1_VALUE **)ec);
|
||||
}
|
||||
|
||||
int
|
||||
i2d_EC_PUBKEY_fp(FILE *fp, EC_KEY *ec)
|
||||
{
|
||||
return ASN1_item_i2d_fp(&EC_PUBKEY_it, fp, (ASN1_VALUE *)ec);
|
||||
}
|
||||
#endif
|
||||
|
||||
int
|
||||
X509_PUBKEY_set0_param(X509_PUBKEY *pub, ASN1_OBJECT *aobj, int ptype,
|
||||
void *pval, unsigned char *penc, int penclen)
|
||||
{
|
||||
if (!X509_ALGOR_set0(pub->algor, aobj, ptype, pval))
|
||||
return 0;
|
||||
|
||||
if (penc == NULL)
|
||||
return 1;
|
||||
|
||||
ASN1_STRING_set0(pub->public_key, penc, penclen);
|
||||
|
||||
return asn1_abs_set_unused_bits(pub->public_key, 0);
|
||||
}
|
||||
|
||||
int
|
||||
X509_PUBKEY_get0_param(ASN1_OBJECT **ppkalg, const unsigned char **pk,
|
||||
int *ppklen, X509_ALGOR **pa, X509_PUBKEY *pub)
|
||||
{
|
||||
if (ppkalg)
|
||||
*ppkalg = pub->algor->algorithm;
|
||||
if (pk) {
|
||||
*pk = pub->public_key->data;
|
||||
*ppklen = pub->public_key->length;
|
||||
}
|
||||
if (pa)
|
||||
*pa = pub->algor;
|
||||
return 1;
|
||||
}
|
||||
Reference in New Issue
Block a user