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/*
* Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/*
* Key Management utility functions to share functionality between the export()
* and get_params() methods.
* export() uses OSSL_PARAM_BLD, and get_params() used the OSSL_PARAM[] to
* fill in parameter data for the same key and data fields.
*/
#include <openssl/core_names.h>
#include "internal/param_build_set.h"
DEFINE_SPECIAL_STACK_OF_CONST(BIGNUM_const, BIGNUM)
int ossl_param_build_set_int(OSSL_PARAM_BLD *bld, OSSL_PARAM *p,
const char *key, int num)
{
if (bld != NULL)
return OSSL_PARAM_BLD_push_int(bld, key, num);
p = OSSL_PARAM_locate(p, key);
if (p != NULL)
return OSSL_PARAM_set_int(p, num);
return 1;
}
int ossl_param_build_set_long(OSSL_PARAM_BLD *bld, OSSL_PARAM *p,
const char *key, long num)
{
if (bld != NULL)
return OSSL_PARAM_BLD_push_long(bld, key, num);
p = OSSL_PARAM_locate(p, key);
if (p != NULL)
return OSSL_PARAM_set_long(p, num);
return 1;
}
int ossl_param_build_set_utf8_string(OSSL_PARAM_BLD *bld, OSSL_PARAM *p,
const char *key, const char *buf)
{
if (bld != NULL)
return OSSL_PARAM_BLD_push_utf8_string(bld, key, buf, 0);
p = OSSL_PARAM_locate(p, key);
if (p != NULL)
return OSSL_PARAM_set_utf8_string(p, buf);
return 1;
}
int ossl_param_build_set_octet_string(OSSL_PARAM_BLD *bld, OSSL_PARAM *p,
const char *key,
const unsigned char *data,
size_t data_len)
{
if (bld != NULL)
return OSSL_PARAM_BLD_push_octet_string(bld, key, data, data_len);
p = OSSL_PARAM_locate(p, key);
if (p != NULL)
return OSSL_PARAM_set_octet_string(p, data, data_len);
return 1;
}
int ossl_param_build_set_bn_pad(OSSL_PARAM_BLD *bld, OSSL_PARAM *p,
const char *key, const BIGNUM *bn, size_t sz)
{
if (bld != NULL)
return OSSL_PARAM_BLD_push_BN_pad(bld, key, bn, sz);
p = OSSL_PARAM_locate(p, key);
if (p != NULL) {
if (sz > p->data_size)
return 0;
p->data_size = sz;
return OSSL_PARAM_set_BN(p, bn);
}
return 1;
}
int ossl_param_build_set_bn(OSSL_PARAM_BLD *bld, OSSL_PARAM *p,
const char *key, const BIGNUM *bn)
{
if (bld != NULL)
return OSSL_PARAM_BLD_push_BN(bld, key, bn);
p = OSSL_PARAM_locate(p, key);
if (p != NULL)
return OSSL_PARAM_set_BN(p, bn) > 0;
return 1;
}
int ossl_param_build_set_multi_key_bn(OSSL_PARAM_BLD *bld, OSSL_PARAM *params,
const char *names[],
STACK_OF(BIGNUM_const) *stk)
{
int i, sz = sk_BIGNUM_const_num(stk);
OSSL_PARAM *p;
if (bld != NULL) {
for (i = 0; i < sz && names[i] != NULL; ++i) {
if (!OSSL_PARAM_BLD_push_BN(bld, names[i],
sk_BIGNUM_const_value(stk, i)))
return 0;
}
return 1;
}
for (i = 0; i < sz && names[i] != NULL; ++i) {
p = OSSL_PARAM_locate(params, names[i]);
if (p != NULL) {
if (!OSSL_PARAM_set_BN(p, sk_BIGNUM_const_value(stk, i)))
return 0;
}
}
return 1;
}
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