1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2014-2019, Linaro Limited 4 */ 5 6 #include <crypto/crypto.h> 7 #include <tee_api_defines.h> 8 #include <types_ext.h> 9 10 static inline bool bn_alloc_max(struct bignum **s) 11 { 12 *s = crypto_bignum_allocate(_CFG_CORE_LTC_BIGNUM_MAX_BITS); 13 14 return *s; 15 } 16 17 static inline TEE_Result convert_ltc_verify_status(int ltc_res, int ltc_stat) 18 { 19 switch (ltc_res) { 20 case CRYPT_OK: 21 if (ltc_stat == 1) 22 return TEE_SUCCESS; 23 else 24 return TEE_ERROR_SIGNATURE_INVALID; 25 case CRYPT_INVALID_PACKET: 26 return TEE_ERROR_SIGNATURE_INVALID; 27 default: 28 return TEE_ERROR_GENERIC; 29 } 30 } 31