diff options
Diffstat (limited to 'providers/fips/fipsprov.c')
-rw-r--r-- | providers/fips/fipsprov.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/providers/fips/fipsprov.c b/providers/fips/fipsprov.c new file mode 100644 index 0000000000..d3671b5a36 --- /dev/null +++ b/providers/fips/fipsprov.c @@ -0,0 +1,99 @@ +/* + * Copyright 2019 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 + */ + +#include <string.h> +#include <stdio.h> +#include <openssl/core.h> +#include <openssl/core_numbers.h> +#include <openssl/core_names.h> +#include <openssl/params.h> + +/* Functions provided by the core */ +static OSSL_core_get_param_types_fn *c_get_param_types = NULL; +static OSSL_core_get_params_fn *c_get_params = NULL; + +/* Parameters we provide to the core */ +static const OSSL_ITEM fips_param_types[] = { + { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_NAME }, + { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_VERSION }, + { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_BUILDINFO }, + { 0, NULL } +}; + +static const OSSL_ITEM *fips_get_param_types(const OSSL_PROVIDER *prov) +{ + return fips_param_types; +} + +static int fips_get_params(const OSSL_PROVIDER *prov, + const OSSL_PARAM params[]) +{ + const OSSL_PARAM *p; + + p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME); + if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL FIPS Provider")) + return 0; + p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION); + if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR)) + return 0; + p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO); + if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR)) + return 0; + + return 1; +} + +extern const OSSL_DISPATCH sha256_functions[]; + +static const OSSL_ALGORITHM fips_digests[] = { + { "SHA256", "fips=yes", sha256_functions }, + { NULL, NULL, NULL } +}; + +static const OSSL_ALGORITHM *fips_query(OSSL_PROVIDER *prov, + int operation_id, + int *no_cache) +{ + *no_cache = 0; + switch (operation_id) { + case OSSL_OP_DIGEST: + return fips_digests; + } + return NULL; +} + +/* Functions we provide to the core */ +static const OSSL_DISPATCH fips_dispatch_table[] = { + { OSSL_FUNC_PROVIDER_GET_PARAM_TYPES, (void (*)(void))fips_get_param_types }, + { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))fips_get_params }, + { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query }, + { 0, NULL } +}; + +int OSSL_provider_init(const OSSL_PROVIDER *provider, + const OSSL_DISPATCH *in, + const OSSL_DISPATCH **out) +{ + for (; in->function_id != 0; in++) { + switch (in->function_id) { + case OSSL_FUNC_CORE_GET_PARAM_TYPES: + c_get_param_types = OSSL_get_core_get_param_types(in); + break; + case OSSL_FUNC_CORE_GET_PARAMS: + c_get_params = OSSL_get_core_get_params(in); + break; + /* Just ignore anything we don't understand */ + default: + break; + } + } + + *out = fips_dispatch_table; + return 1; +} |