wolf SSL / wolfSSL

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

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wolfssl/wolfcrypt/ed25519.h@7:481bce714567, 2017-05-02 (annotated)

Committer:
wolfSSL
Date:
Tue May 02 08:44:47 2017 +0000
Revision:
7:481bce714567
wolfSSL3.10.2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 7:481bce714567 1 /* ed25519.h
wolfSSL 7:481bce714567 2 *
wolfSSL 7:481bce714567 3 * Copyright (C) 2006-2016 wolfSSL Inc.
wolfSSL 7:481bce714567 4 *
wolfSSL 7:481bce714567 5 * This file is part of wolfSSL.
wolfSSL 7:481bce714567 6 *
wolfSSL 7:481bce714567 7 * wolfSSL is free software; you can redistribute it and/or modify
wolfSSL 7:481bce714567 8 * it under the terms of the GNU General Public License as published by
wolfSSL 7:481bce714567 9 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 7:481bce714567 10 * (at your option) any later version.
wolfSSL 7:481bce714567 11 *
wolfSSL 7:481bce714567 12 * wolfSSL is distributed in the hope that it will be useful,
wolfSSL 7:481bce714567 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 7:481bce714567 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 7:481bce714567 15 * GNU General Public License for more details.
wolfSSL 7:481bce714567 16 *
wolfSSL 7:481bce714567 17 * You should have received a copy of the GNU General Public License
wolfSSL 7:481bce714567 18 * along with this program; if not, write to the Free Software
wolfSSL 7:481bce714567 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
wolfSSL 7:481bce714567 20 */
wolfSSL 7:481bce714567 21
wolfSSL 7:481bce714567 22
wolfSSL 7:481bce714567 23 #ifndef WOLF_CRYPT_ED25519_H
wolfSSL 7:481bce714567 24 #define WOLF_CRYPT_ED25519_H
wolfSSL 7:481bce714567 25
wolfSSL 7:481bce714567 26 #include <wolfssl/wolfcrypt/types.h>
wolfSSL 7:481bce714567 27
wolfSSL 7:481bce714567 28 #ifdef HAVE_ED25519
wolfSSL 7:481bce714567 29
wolfSSL 7:481bce714567 30 #include <wolfssl/wolfcrypt/fe_operations.h>
wolfSSL 7:481bce714567 31 #include <wolfssl/wolfcrypt/ge_operations.h>
wolfSSL 7:481bce714567 32 #include <wolfssl/wolfcrypt/random.h>
wolfSSL 7:481bce714567 33 #include <wolfssl/wolfcrypt/sha512.h>
wolfSSL 7:481bce714567 34
wolfSSL 7:481bce714567 35 #ifdef __cplusplus
wolfSSL 7:481bce714567 36 extern "C" {
wolfSSL 7:481bce714567 37 #endif
wolfSSL 7:481bce714567 38
wolfSSL 7:481bce714567 39
wolfSSL 7:481bce714567 40 /* info about EdDSA curve specifically ed25519, defined as an elliptic curve
wolfSSL 7:481bce714567 41 over GF(p) */
wolfSSL 7:481bce714567 42 /*
wolfSSL 7:481bce714567 43 32, key size
wolfSSL 7:481bce714567 44 "ED25519", curve name
wolfSSL 7:481bce714567 45 "2^255-19", prime number
wolfSSL 7:481bce714567 46 "SHA512", hash function
wolfSSL 7:481bce714567 47 "-121665/121666", value of d
wolfSSL 7:481bce714567 48 */
wolfSSL 7:481bce714567 49
wolfSSL 7:481bce714567 50 #define ED25519_KEY_SIZE 32 /* private key only */
wolfSSL 7:481bce714567 51 #define ED25519_SIG_SIZE 64
wolfSSL 7:481bce714567 52
wolfSSL 7:481bce714567 53 #define ED25519_PUB_KEY_SIZE 32 /* compressed */
wolfSSL 7:481bce714567 54 /* both private and public key */
wolfSSL 7:481bce714567 55 #define ED25519_PRV_KEY_SIZE (ED25519_PUB_KEY_SIZE+ED25519_KEY_SIZE)
wolfSSL 7:481bce714567 56
wolfSSL 7:481bce714567 57 /* An ED25519 Key */
wolfSSL 7:481bce714567 58 typedef struct {
wolfSSL 7:481bce714567 59 byte p[ED25519_PUB_KEY_SIZE]; /* compressed public key */
wolfSSL 7:481bce714567 60 byte k[ED25519_PRV_KEY_SIZE]; /* private key : 32 secret -- 32 public */
wolfSSL 7:481bce714567 61 #ifdef FREESCALE_LTC_ECC
wolfSSL 7:481bce714567 62 /* uncompressed point coordinates */
wolfSSL 7:481bce714567 63 byte pointX[ED25519_KEY_SIZE]; /* recovered X coordinate */
wolfSSL 7:481bce714567 64 byte pointY[ED25519_KEY_SIZE]; /* Y coordinate is the public key with The most significant bit of the final octet always zero. */
wolfSSL 7:481bce714567 65 #endif
wolfSSL 7:481bce714567 66 } ed25519_key;
wolfSSL 7:481bce714567 67
wolfSSL 7:481bce714567 68
wolfSSL 7:481bce714567 69 WOLFSSL_API
wolfSSL 7:481bce714567 70 int wc_ed25519_make_key(WC_RNG* rng, int keysize, ed25519_key* key);
wolfSSL 7:481bce714567 71 WOLFSSL_API
wolfSSL 7:481bce714567 72 int wc_ed25519_sign_msg(const byte* in, word32 inlen, byte* out,
wolfSSL 7:481bce714567 73 word32 *outlen, ed25519_key* key);
wolfSSL 7:481bce714567 74 WOLFSSL_API
wolfSSL 7:481bce714567 75 int wc_ed25519_verify_msg(byte* sig, word32 siglen, const byte* msg,
wolfSSL 7:481bce714567 76 word32 msglen, int* stat, ed25519_key* key);
wolfSSL 7:481bce714567 77 WOLFSSL_API
wolfSSL 7:481bce714567 78 int wc_ed25519_init(ed25519_key* key);
wolfSSL 7:481bce714567 79 WOLFSSL_API
wolfSSL 7:481bce714567 80 void wc_ed25519_free(ed25519_key* key);
wolfSSL 7:481bce714567 81 WOLFSSL_API
wolfSSL 7:481bce714567 82 int wc_ed25519_import_public(const byte* in, word32 inLen, ed25519_key* key);
wolfSSL 7:481bce714567 83 WOLFSSL_API
wolfSSL 7:481bce714567 84 int wc_ed25519_import_private_key(const byte* priv, word32 privSz,
wolfSSL 7:481bce714567 85 const byte* pub, word32 pubSz, ed25519_key* key);
wolfSSL 7:481bce714567 86 WOLFSSL_API
wolfSSL 7:481bce714567 87 int wc_ed25519_export_public(ed25519_key*, byte* out, word32* outLen);
wolfSSL 7:481bce714567 88 WOLFSSL_API
wolfSSL 7:481bce714567 89 int wc_ed25519_export_private_only(ed25519_key* key, byte* out, word32* outLen);
wolfSSL 7:481bce714567 90 WOLFSSL_API
wolfSSL 7:481bce714567 91 int wc_ed25519_export_private(ed25519_key* key, byte* out, word32* outLen);
wolfSSL 7:481bce714567 92 WOLFSSL_API
wolfSSL 7:481bce714567 93 int wc_ed25519_export_key(ed25519_key* key,
wolfSSL 7:481bce714567 94 byte* priv, word32 *privSz,
wolfSSL 7:481bce714567 95 byte* pub, word32 *pubSz);
wolfSSL 7:481bce714567 96
wolfSSL 7:481bce714567 97 /* size helper */
wolfSSL 7:481bce714567 98 WOLFSSL_API
wolfSSL 7:481bce714567 99 int wc_ed25519_size(ed25519_key* key);
wolfSSL 7:481bce714567 100 WOLFSSL_API
wolfSSL 7:481bce714567 101 int wc_ed25519_priv_size(ed25519_key* key);
wolfSSL 7:481bce714567 102 WOLFSSL_API
wolfSSL 7:481bce714567 103 int wc_ed25519_pub_size(ed25519_key* key);
wolfSSL 7:481bce714567 104 WOLFSSL_API
wolfSSL 7:481bce714567 105 int wc_ed25519_sig_size(ed25519_key* key);
wolfSSL 7:481bce714567 106
wolfSSL 7:481bce714567 107 #ifdef __cplusplus
wolfSSL 7:481bce714567 108 } /* extern "C" */
wolfSSL 7:481bce714567 109 #endif
wolfSSL 7:481bce714567 110
wolfSSL 7:481bce714567 111 #endif /* HAVE_ED25519 */
wolfSSL 7:481bce714567 112 #endif /* WOLF_CRYPT_ED25519_H */
wolfSSL 7:481bce714567 113
wolfSSL 7:481bce714567 114