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Diffstat (limited to 'src/internal/impl/mbedtls.c')
| -rw-r--r-- | src/internal/impl/mbedtls.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/src/internal/impl/mbedtls.c b/src/internal/impl/mbedtls.c deleted file mode 100644 index 54caa44..0000000 --- a/src/internal/impl/mbedtls.c +++ /dev/null @@ -1,158 +0,0 @@ -/* -* Copyright (c) 2024 Vaughn Nugent -* -* Package: noscrypt -* File: mbedtls.c -* -* This library is free software; you can redistribute it and/or -* modify it under the terms of the GNU Lesser General Public License -* as published by the Free Software Foundation; either version 2.1 -* of the License, or (at your option) any later version. -* -* This library is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -* Lesser General Public License for more details. -* -* You should have received a copy of the GNU Lesser General Public License -* along with noscrypt. If not, see http://www.gnu.org/licenses/. -*/ - - -/* -* This file contains implemntation functions for the required -* cryptography primitives of noscrypt. This file stubs functionality -* using the Mbed-TLS library, if the builder desires to link against -* it. -*/ - -#ifdef MBEDTLS_CRYPTO_LIB - -#include <mbedtls/md.h> -#include <mbedtls/hkdf.h> -#include <mbedtls/hmac_drbg.h> -#include <mbedtls/sha256.h> -#include <mbedtls/chacha20.h> -#include <mbedtls/constant_time.h> - -#include "../../platform.h" -#include "../nc-util.h" - -/* -* EXPORT SUPPORTED FUNCTION OVERRIDES -*/ - -_IMPLSTB const mbedtls_md_info_t* _mbed_sha256_alg(void) -{ - const mbedtls_md_info_t* info; - /* Get sha256 md info for hdkf operations */ - info = mbedtls_md_info_from_type(MBEDTLS_MD_SHA256); - DEBUG_ASSERT2(info != NULL, "Expected SHA256 md info pointer to be valid") - return info; -} - -#ifndef _IMPL_CHACHA20_CRYPT - - /* Export chacha20 computation */ - #define _IMPL_CHACHA20_CRYPT _mbed_chacha20_encrypt - - _IMPLSTB int _mbed_chacha20_encrypt( - const uint8_t* key, - const uint8_t* nonce, - const uint8_t* input, - uint8_t* output, - size_t dataLen - ) - { - /* Counter always starts at 0 */ - return mbedtls_chacha20_crypt(key, nonce, 0x00u, dataLen, input, output); - } - -#endif - -/* Export sha256 if not already defined */ -#ifndef _IMPL_CRYPTO_SHA256_DIGEST - - #define _IMPL_CRYPTO_SHA256_DIGEST _mbed_sha256_digest - - _IMPLSTB CStatus _mbed_sha256_digest(const uint8_t* data, size_t dataSize,uint8_t* digestOut32) - { - return mbedtls_sha256(data, dataSize, digestOut32, 0); - } - -#endif - -/* Export Sha256 hmac if not already defined by other libs */ -#ifndef _IMPL_CRYPTO_SHA256_HMAC - - #define _IMPL_CRYPTO_SHA256_HMAC _mbed_sha256_hmac - - _IMPLSTB CStatus _mbed_sha256_hmac( - const uint8_t* key, size_t keyLen, - const uint8_t* data, size_t dataLen, - void* hmacOut32 - ) - { - return mbedtls_md_hmac( - _mbed_sha256_alg(), - key, keyLen, - data, dataLen, - hmacOut32 - ); - } -#endif - -/* Export hkdf expand if not already defined */ -#ifndef _IMPL_CRYPTO_SHA256_HKDF_EXPAND - - #define _IMPL_CRYPTO_SHA256_HKDF_EXPAND _mbed_sha256_hkdf_expand - - _IMPLSTB int _mbed_sha256_hkdf_expand( - const uint8_t* prk, size_t prkLen, - const uint8_t* info, size_t infoLen, - void* okm, size_t okmLen - ) - { - return mbedtls_hkdf_expand( - _mbed_sha256_alg(), - prk, prkLen, - info, infoLen, - okm, okmLen - ); - } - -#endif - -/* Export hkdf extract if not already defined */ -#ifndef _IMPL_CRYPTO_SHA256_HKDF_EXTRACT - - #define _IMPL_CRYPTO_SHA256_HKDF_EXTRACT _mbed_sha256_hkdf_extract - - _IMPLSTB int _mbed_sha256_hkdf_extract( - const uint8_t* salt, size_t saltLen, - const uint8_t* ikm, size_t ikmLen, - void* prk - ) - { - return mbedtls_hkdf_extract( - _mbed_sha256_alg(), - salt, saltLen, - ikm, ikmLen, - prk - ); - } -#endif - -/* Export fixed-time compare if not already defined */ -#ifndef _IMPL_CRYPTO_FIXED_TIME_COMPARE - - #define _IMPL_CRYPTO_FIXED_TIME_COMPARE _mbed_fixed_time_compare - - /* fixed-time memcmp */ - _IMPLSTB int _mbed_fixed_time_compare(const uint8_t* a, const uint8_t* b, size_t size) - { - return mbedtls_ct_memcmp(a, b, size); - } -#endif - -#endif
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