diff options
Diffstat (limited to 'crypto/param_build_set.c')
| -rw-r--r-- | crypto/param_build_set.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/crypto/param_build_set.c b/crypto/param_build_set.c new file mode 100644 index 000000000000..5de06cc7ed68 --- /dev/null +++ b/crypto/param_build_set.c @@ -0,0 +1,122 @@ +/* + * Copyright 2020-2023 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; + const BIGNUM *bn; + + if (bld != NULL) { + for (i = 0; i < sz && names[i] != NULL; ++i) { + bn = sk_BIGNUM_const_value(stk, i); + if (bn != NULL && !OSSL_PARAM_BLD_push_BN(bld, names[i], bn)) + return 0; + } + return 1; + } + + for (i = 0; i < sz && names[i] != NULL; ++i) { + bn = sk_BIGNUM_const_value(stk, i); + p = OSSL_PARAM_locate(params, names[i]); + if (p != NULL && bn != NULL) { + if (!OSSL_PARAM_set_BN(p, bn)) + return 0; + } + } + return 1; +} |