mirror of https://github.com/openssl/openssl.git
125 lines
3.8 KiB
C
125 lines
3.8 KiB
C
/*
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* Copyright 2020-2022 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*
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* Key Management utility functions to share functionality between the export()
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* and get_params() methods.
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* export() uses OSSL_PARAM_BLD, and get_params() used the OSSL_PARAM[] to
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* fill in parameter data for the same key and data fields.
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*/
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#include <openssl/core_names.h>
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#include "internal/param_build_set.h"
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DEFINE_SPECIAL_STACK_OF_CONST(BIGNUM_const, BIGNUM)
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int ossl_param_build_set_int(OSSL_PARAM_BLD *bld, OSSL_PARAM *p,
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const char *key, int num)
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{
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if (bld != NULL)
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return OSSL_PARAM_BLD_push_int(bld, key, num);
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p = OSSL_PARAM_locate(p, key);
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if (p != NULL)
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return OSSL_PARAM_set_int(p, num);
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return 1;
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}
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int ossl_param_build_set_long(OSSL_PARAM_BLD *bld, OSSL_PARAM *p,
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const char *key, long num)
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{
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if (bld != NULL)
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return OSSL_PARAM_BLD_push_long(bld, key, num);
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p = OSSL_PARAM_locate(p, key);
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if (p != NULL)
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return OSSL_PARAM_set_long(p, num);
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return 1;
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}
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int ossl_param_build_set_utf8_string(OSSL_PARAM_BLD *bld, OSSL_PARAM *p,
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const char *key, const char *buf)
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{
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if (bld != NULL)
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return OSSL_PARAM_BLD_push_utf8_string(bld, key, buf, 0);
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p = OSSL_PARAM_locate(p, key);
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if (p != NULL)
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return OSSL_PARAM_set_utf8_string(p, buf);
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return 1;
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}
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int ossl_param_build_set_octet_string(OSSL_PARAM_BLD *bld, OSSL_PARAM *p,
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const char *key,
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const unsigned char *data,
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size_t data_len)
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{
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if (bld != NULL)
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return OSSL_PARAM_BLD_push_octet_string(bld, key, data, data_len);
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p = OSSL_PARAM_locate(p, key);
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if (p != NULL)
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return OSSL_PARAM_set_octet_string(p, data, data_len);
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return 1;
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}
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int ossl_param_build_set_bn_pad(OSSL_PARAM_BLD *bld, OSSL_PARAM *p,
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const char *key, const BIGNUM *bn, size_t sz)
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{
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if (bld != NULL)
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return OSSL_PARAM_BLD_push_BN_pad(bld, key, bn, sz);
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p = OSSL_PARAM_locate(p, key);
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if (p != NULL) {
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if (sz > p->data_size) {
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ERR_raise(ERR_LIB_CRYPTO, CRYPTO_R_TOO_SMALL_BUFFER);
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return 0;
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}
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p->data_size = sz;
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return OSSL_PARAM_set_BN(p, bn);
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}
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return 1;
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}
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int ossl_param_build_set_bn(OSSL_PARAM_BLD *bld, OSSL_PARAM *p,
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const char *key, const BIGNUM *bn)
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{
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if (bld != NULL)
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return OSSL_PARAM_BLD_push_BN(bld, key, bn);
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p = OSSL_PARAM_locate(p, key);
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if (p != NULL)
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return OSSL_PARAM_set_BN(p, bn) > 0;
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return 1;
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}
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int ossl_param_build_set_multi_key_bn(OSSL_PARAM_BLD *bld, OSSL_PARAM *params,
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const char *names[],
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STACK_OF(BIGNUM_const) *stk)
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{
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int i, sz = sk_BIGNUM_const_num(stk);
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OSSL_PARAM *p;
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const BIGNUM *bn;
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if (bld != NULL) {
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for (i = 0; i < sz && names[i] != NULL; ++i) {
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bn = sk_BIGNUM_const_value(stk, i);
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if (bn != NULL && !OSSL_PARAM_BLD_push_BN(bld, names[i], bn))
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return 0;
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}
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return 1;
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}
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for (i = 0; i < sz && names[i] != NULL; ++i) {
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bn = sk_BIGNUM_const_value(stk, i);
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p = OSSL_PARAM_locate(params, names[i]);
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if (p != NULL && bn != NULL) {
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if (!OSSL_PARAM_set_BN(p, bn))
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return 0;
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}
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}
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return 1;
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}
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