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Diffstat (limited to 'crypto/ecc.h')
| -rw-r--r-- | crypto/ecc.h | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/crypto/ecc.h b/crypto/ecc.h deleted file mode 100644 index e4fd4492c765..000000000000 --- a/crypto/ecc.h +++ /dev/null @@ -1,92 +0,0 @@ -/* - * Copyright (c) 2013, Kenneth MacKay - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "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 COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#ifndef _CRYPTO_ECC_H -#define _CRYPTO_ECC_H - -#define ECC_MAX_DIGITS 4 /* 256 */ - -#define ECC_DIGITS_TO_BYTES_SHIFT 3 - -/** - * ecc_is_key_valid() - Validate a given ECDH private key - * - * @curve_id: id representing the curve to use - * @ndigits: curve's number of digits - * @private_key: private key to be used for the given curve - * @private_key_len: private key length - * - * Returns 0 if the key is acceptable, a negative value otherwise - */ -int ecc_is_key_valid(unsigned int curve_id, unsigned int ndigits, - const u64 *private_key, unsigned int private_key_len); - -/** - * ecc_gen_privkey() - Generates an ECC private key. - * The private key is a random integer in the range 0 < random < n, where n is a - * prime that is the order of the cyclic subgroup generated by the distinguished - * point G. - * @curve_id: id representing the curve to use - * @ndigits: curve number of digits - * @private_key: buffer for storing the generated private key - * - * Returns 0 if the private key was generated successfully, a negative value - * if an error occurred. - */ -int ecc_gen_privkey(unsigned int curve_id, unsigned int ndigits, u64 *privkey); - -/** - * ecc_make_pub_key() - Compute an ECC public key - * - * @curve_id: id representing the curve to use - * @ndigits: curve's number of digits - * @private_key: pregenerated private key for the given curve - * @public_key: buffer for storing the generated public key - * - * Returns 0 if the public key was generated successfully, a negative value - * if an error occurred. - */ -int ecc_make_pub_key(const unsigned int curve_id, unsigned int ndigits, - const u64 *private_key, u64 *public_key); - -/** - * crypto_ecdh_shared_secret() - Compute a shared secret - * - * @curve_id: id representing the curve to use - * @ndigits: curve's number of digits - * @private_key: private key of part A - * @public_key: public key of counterpart B - * @secret: buffer for storing the calculated shared secret - * - * Note: It is recommended that you hash the result of crypto_ecdh_shared_secret - * before using it for symmetric encryption or HMAC. - * - * Returns 0 if the shared secret was generated successfully, a negative value - * if an error occurred. - */ -int crypto_ecdh_shared_secret(unsigned int curve_id, unsigned int ndigits, - const u64 *private_key, const u64 *public_key, - u64 *secret); -#endif |
