wolf SSL / wolfSSL

wolfSSL SSL/TLS library, support up to TLS1.3

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wolfssl/wolfcrypt/ed25519.h@0:d92f9d21154c, 2015-06-26 (annotated)

Committer:
wolfSSL
Date:
Fri Jun 26 00:39:20 2015 +0000
Revision:
0:d92f9d21154c
wolfSSL 3.6.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 0:d92f9d21154c 1 /* ed25519.h
wolfSSL 0:d92f9d21154c 2 *
wolfSSL 0:d92f9d21154c 3 * Copyright (C) 2006-2015 wolfSSL Inc.
wolfSSL 0:d92f9d21154c 4 *
wolfSSL 0:d92f9d21154c 5 * This file is part of wolfSSL. (formerly known as CyaSSL)
wolfSSL 0:d92f9d21154c 6 *
wolfSSL 0:d92f9d21154c 7 * wolfSSL is free software; you can redistribute it and/or modify
wolfSSL 0:d92f9d21154c 8 * it under the terms of the GNU General Public License as published by
wolfSSL 0:d92f9d21154c 9 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 0:d92f9d21154c 10 * (at your option) any later version.
wolfSSL 0:d92f9d21154c 11 *
wolfSSL 0:d92f9d21154c 12 * wolfSSL is distributed in the hope that it will be useful,
wolfSSL 0:d92f9d21154c 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 0:d92f9d21154c 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 0:d92f9d21154c 15 * GNU General Public License for more details.
wolfSSL 0:d92f9d21154c 16 *
wolfSSL 0:d92f9d21154c 17 * You should have received a copy of the GNU General Public License
wolfSSL 0:d92f9d21154c 18 * along with this program; if not, write to the Free Software
wolfSSL 0:d92f9d21154c 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
wolfSSL 0:d92f9d21154c 20 */
wolfSSL 0:d92f9d21154c 21
wolfSSL 0:d92f9d21154c 22 #ifndef WOLF_CRYPT_ED25519_H
wolfSSL 0:d92f9d21154c 23 #define WOLF_CRYPT_ED25519_H
wolfSSL 0:d92f9d21154c 24
wolfSSL 0:d92f9d21154c 25 #include <wolfssl/wolfcrypt/types.h>
wolfSSL 0:d92f9d21154c 26
wolfSSL 0:d92f9d21154c 27 #ifdef HAVE_ED25519
wolfSSL 0:d92f9d21154c 28
wolfSSL 0:d92f9d21154c 29 #include <wolfssl/wolfcrypt/fe_operations.h>
wolfSSL 0:d92f9d21154c 30 #include <wolfssl/wolfcrypt/ge_operations.h>
wolfSSL 0:d92f9d21154c 31 #include <wolfssl/wolfcrypt/random.h>
wolfSSL 0:d92f9d21154c 32 #include <wolfssl/wolfcrypt/sha512.h>
wolfSSL 0:d92f9d21154c 33
wolfSSL 0:d92f9d21154c 34 #ifdef __cplusplus
wolfSSL 0:d92f9d21154c 35 extern "C" {
wolfSSL 0:d92f9d21154c 36 #endif
wolfSSL 0:d92f9d21154c 37
wolfSSL 0:d92f9d21154c 38
wolfSSL 0:d92f9d21154c 39 /* info about EdDSA curve specifically ed25519, defined as an elliptic curve
wolfSSL 0:d92f9d21154c 40 over GF(p) */
wolfSSL 0:d92f9d21154c 41 /*
wolfSSL 0:d92f9d21154c 42 32, key size
wolfSSL 0:d92f9d21154c 43 "ED25519", curve name
wolfSSL 0:d92f9d21154c 44 "2^255-19", prime number
wolfSSL 0:d92f9d21154c 45 "SHA512", hash function
wolfSSL 0:d92f9d21154c 46 "-121665/121666", value of d
wolfSSL 0:d92f9d21154c 47 */
wolfSSL 0:d92f9d21154c 48
wolfSSL 0:d92f9d21154c 49 #define ED25519_KEY_SIZE 32
wolfSSL 0:d92f9d21154c 50 #define ED25519_SIG_SIZE 64
wolfSSL 0:d92f9d21154c 51
wolfSSL 0:d92f9d21154c 52
wolfSSL 0:d92f9d21154c 53 /* An ED25519 Key */
wolfSSL 0:d92f9d21154c 54 typedef struct {
wolfSSL 0:d92f9d21154c 55 byte p[32]; /* compressed public key */
wolfSSL 0:d92f9d21154c 56 byte k[64]; /* private key : 32 secret -- 32 public */
wolfSSL 0:d92f9d21154c 57 } ed25519_key;
wolfSSL 0:d92f9d21154c 58
wolfSSL 0:d92f9d21154c 59
wolfSSL 0:d92f9d21154c 60 WOLFSSL_API
wolfSSL 0:d92f9d21154c 61 int wc_ed25519_make_key(RNG* rng, int keysize, ed25519_key* key);
wolfSSL 0:d92f9d21154c 62 WOLFSSL_API
wolfSSL 0:d92f9d21154c 63 int wc_ed25519_sign_msg(const byte* in, word32 inlen, byte* out,
wolfSSL 0:d92f9d21154c 64 word32 *outlen, ed25519_key* key);
wolfSSL 0:d92f9d21154c 65 WOLFSSL_API
wolfSSL 0:d92f9d21154c 66 int wc_ed25519_verify_msg(byte* sig, word32 siglen, const byte* msg,
wolfSSL 0:d92f9d21154c 67 word32 msglen, int* stat, ed25519_key* key);
wolfSSL 0:d92f9d21154c 68 WOLFSSL_API
wolfSSL 0:d92f9d21154c 69 int wc_ed25519_init(ed25519_key* key);
wolfSSL 0:d92f9d21154c 70 WOLFSSL_API
wolfSSL 0:d92f9d21154c 71 void wc_ed25519_free(ed25519_key* key);
wolfSSL 0:d92f9d21154c 72 WOLFSSL_API
wolfSSL 0:d92f9d21154c 73 int wc_ed25519_import_public(const byte* in, word32 inLen, ed25519_key* key);
wolfSSL 0:d92f9d21154c 74 WOLFSSL_API
wolfSSL 0:d92f9d21154c 75 int wc_ed25519_import_private_key(const byte* priv, word32 privSz,
wolfSSL 0:d92f9d21154c 76 const byte* pub, word32 pubSz, ed25519_key* key);
wolfSSL 0:d92f9d21154c 77 WOLFSSL_API
wolfSSL 0:d92f9d21154c 78 int wc_ed25519_export_public(ed25519_key*, byte* out, word32* outLen);
wolfSSL 0:d92f9d21154c 79 WOLFSSL_API
wolfSSL 0:d92f9d21154c 80 int wc_ed25519_export_private_only(ed25519_key* key, byte* out, word32* outLen);
wolfSSL 0:d92f9d21154c 81
wolfSSL 0:d92f9d21154c 82 /* size helper */
wolfSSL 0:d92f9d21154c 83 WOLFSSL_API
wolfSSL 0:d92f9d21154c 84 int wc_ed25519_size(ed25519_key* key);
wolfSSL 0:d92f9d21154c 85 WOLFSSL_API
wolfSSL 0:d92f9d21154c 86 int wc_ed25519_sig_size(ed25519_key* key);
wolfSSL 0:d92f9d21154c 87
wolfSSL 0:d92f9d21154c 88 #ifdef __cplusplus
wolfSSL 0:d92f9d21154c 89 } /* extern "C" */
wolfSSL 0:d92f9d21154c 90 #endif
wolfSSL 0:d92f9d21154c 91
wolfSSL 0:d92f9d21154c 92 #endif /* HAVE_ED25519 */
wolfSSL 0:d92f9d21154c 93 #endif /* WOLF_CRYPT_ED25519_H */
wolfSSL 0:d92f9d21154c 94
wolfSSL 0:d92f9d21154c 95