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/*
* Copyright (c) 2018-2021, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*
*/
/**
* \file psa/crypto_extra.h
*
* \brief PSA cryptography module: vendor extensions
*
* \note This file may not be included directly. Applications must
* include psa/crypto.h.
*
* This file is reserved for vendor-specific definitions.
*/
#ifndef PSA_CRYPTO_EXTRA_H
#define PSA_CRYPTO_EXTRA_H
#include "psa/crypto_compat.h"
#ifdef __cplusplus
extern "C" {
#endif
/** \addtogroup crypto_types
* @{
*/
/** DSA public key.
*
* The import and export format is the
* representation of the public key `y = g^x mod p` as a big-endian byte
* string. The length of the byte string is the length of the base prime `p`
* in bytes.
*/
#define PSA_KEY_TYPE_DSA_PUBLIC_KEY ((psa_key_type_t)0x4002)
/** DSA key pair (private and public key).
*
* The import and export format is the
* representation of the private key `x` as a big-endian byte string. The
* length of the byte string is the private key size in bytes (leading zeroes
* are not stripped).
*
* Determinstic DSA key derivation with psa_generate_derived_key follows
* FIPS 186-4 §B.1.2: interpret the byte string as integer
* in big-endian order. Discard it if it is not in the range
* [0, *N* - 2] where *N* is the boundary of the private key domain
* (the prime *p* for Diffie-Hellman, the subprime *q* for DSA,
* or the order of the curve's base point for ECC).
* Add 1 to the resulting integer and use this as the private key *x*.
*
*/
#define PSA_KEY_TYPE_DSA_KEY_PAIR ((psa_key_type_t)0x7002)
/**@}*/
#ifdef __cplusplus
}
#endif
#endif /* PSA_CRYPTO_EXTRA_H */
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