secmodule-helpers.h

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//  Copyright (C) 2015-2020 Virgil Security, Inc.
//
//  All rights reserved.
//
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are
//  met:
//
//      (1) Redistributions of source code must retain the above copyright
//      notice, this list of conditions and the following disclaimer.
//
//      (2) Redistributions in binary form must reproduce the above copyright
//      notice, this list of conditions and the following disclaimer in
//      the documentation and/or other materials provided with the
//      distribution.
//
//      (3) Neither the name of the copyright holder nor the names of its
//      contributors may be used to endorse or promote products derived from
//      this software without specific prior written permission.
//
//  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR
//  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
//  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
//  DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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//  POSSIBILITY OF SUCH DAMAGE.
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//  Lead Maintainer: Virgil Security Inc. <support@virgilsecurity.com>
 
#ifndef VS_SECMODULE_HELPERS_H_
#define VS_SECMODULE_HELPERS_H_
 
#ifdef __cplusplus
namespace VirgilIoTKit {
extern "C" {
#endif
 
#include <virgil/iot/secmodule/secmodule.h>
 
#define VS_PUBKEY_SECP192_LEN (49)
#define VS_PUBKEY_SECP224_LEN (57)
#define VS_PUBKEY_SECP256_LEN (65)
#define VS_PUBKEY_SECP384_LEN (97)
#define VS_PUBKEY_SECP521_LEN (133)
#define VS_PUBKEY_25519_LEN (32)
 
#define VS_SIGNATURE_SECP192_LEN (48)
#define VS_SIGNATURE_SECP224_LEN (56)
#define VS_SIGNATURE_SECP256_LEN (64)
#define VS_SIGNATURE_SECP384_LEN (96)
#define VS_SIGNATURE_SECP521_LEN (132)
#define VS_SIGNATURE_25519_LEN (64)
 
#define VS_HASH_SHA256_LEN (32)
#define VS_HASH_SHA384_LEN (48)
#define VS_HASH_SHA512_LEN (64)
 
#define VS_AES_256_KEY_SIZE (32)
#define VS_AES_256_KEY_BITLEN (VS_AES_256_KEY_SIZE * 8)
#define VS_AES_256_BLOCK_SIZE (16)
 
#define VS_AES_256_GCM_IV_SIZE (12)
#define VS_AES_256_GCM_AUTH_TAG_SIZE (16)
 
#define VS_AES_256_CBC_IV_SIZE (16)
 
int
vs_secmodule_get_pubkey_len(vs_secmodule_keypair_type_e keypair_type);
 
int
vs_secmodule_get_signature_len(vs_secmodule_keypair_type_e keypair_type);
 
int
vs_secmodule_get_hash_len(vs_secmodule_hash_type_e hash_type);
 
const char *
vs_secmodule_keypair_type_descr(vs_secmodule_keypair_type_e type);
 
const char *
vs_secmodule_hash_type_descr(vs_secmodule_hash_type_e type);
 
vs_status_e
vs_secmodule_virgil_secp256_signature_to_tiny(const uint8_t *virgil_sign,
                                              uint16_t virgil_sign_sz,
                                              uint8_t *raw_signature,
                                              uint16_t buf_sz);
 
vs_status_e
vs_secmodule_tiny_secp256_signature_to_virgil(const uint8_t raw_signature[VS_SIGNATURE_SECP256_LEN],
                                              uint8_t *virgil_sign,
                                              uint16_t buf_sz,
                                              uint16_t *virgil_sign_sz);
 
#ifdef __cplusplus
} // extern "C"
} // namespace VirgilIoTKit
#endif
 
#endif // VS_SECMODULE_HELPERS_H_