1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2014-2019, Linaro Limited 4 */ 5 6 #ifndef ACIPHER_HELPERS_H 7 #define ACIPHER_HELPERS_H 8 9 #include <crypto/crypto.h> 10 #include <tee_api_defines.h> 11 #include <tee_api_types.h> 12 #include <tomcrypt_private.h> 13 #include <types_ext.h> 14 15 static inline bool bn_alloc_max(struct bignum **s) 16 { 17 *s = crypto_bignum_allocate(_CFG_CORE_LTC_BIGNUM_MAX_BITS); 18 19 return *s; 20 } 21 22 static inline TEE_Result convert_ltc_verify_status(int ltc_res, int ltc_stat) 23 { 24 switch (ltc_res) { 25 case CRYPT_OK: 26 if (ltc_stat == 1) 27 return TEE_SUCCESS; 28 else 29 return TEE_ERROR_SIGNATURE_INVALID; 30 case CRYPT_INVALID_PACKET: 31 return TEE_ERROR_SIGNATURE_INVALID; 32 default: 33 return TEE_ERROR_GENERIC; 34 } 35 } 36 37 #ifdef CFG_CRYPTOLIB_NAME_tomcrypt 38 TEE_Result ecc_populate_ltc_private_key(ecc_key *ltc_key, 39 struct ecc_keypair *key, 40 uint32_t algo, size_t *key_size_bytes); 41 TEE_Result ecc_populate_ltc_public_key(ecc_key *ltc_key, 42 struct ecc_public_key *key, 43 uint32_t algo, size_t *key_size_bytes); 44 #endif 45 46 #endif /* ACIPHER_HELPERS_H */ 47