wolfSSL SSL/TLS library, support up to TLS1.3
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wolfssl/wolfcrypt/ed25519.h@13:f67a6c6013ca, 2017-08-22 (annotated)
- Committer:
- wolfSSL
- Date:
- Tue Aug 22 10:48:22 2017 +0000
- Revision:
- 13:f67a6c6013ca
wolfSSL3.12.0 with TLS1.3
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
wolfSSL | 13:f67a6c6013ca | 1 | /* ed25519.h |
wolfSSL | 13:f67a6c6013ca | 2 | * |
wolfSSL | 13:f67a6c6013ca | 3 | * Copyright (C) 2006-2016 wolfSSL Inc. |
wolfSSL | 13:f67a6c6013ca | 4 | * |
wolfSSL | 13:f67a6c6013ca | 5 | * This file is part of wolfSSL. |
wolfSSL | 13:f67a6c6013ca | 6 | * |
wolfSSL | 13:f67a6c6013ca | 7 | * wolfSSL is free software; you can redistribute it and/or modify |
wolfSSL | 13:f67a6c6013ca | 8 | * it under the terms of the GNU General Public License as published by |
wolfSSL | 13:f67a6c6013ca | 9 | * the Free Software Foundation; either version 2 of the License, or |
wolfSSL | 13:f67a6c6013ca | 10 | * (at your option) any later version. |
wolfSSL | 13:f67a6c6013ca | 11 | * |
wolfSSL | 13:f67a6c6013ca | 12 | * wolfSSL is distributed in the hope that it will be useful, |
wolfSSL | 13:f67a6c6013ca | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
wolfSSL | 13:f67a6c6013ca | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
wolfSSL | 13:f67a6c6013ca | 15 | * GNU General Public License for more details. |
wolfSSL | 13:f67a6c6013ca | 16 | * |
wolfSSL | 13:f67a6c6013ca | 17 | * You should have received a copy of the GNU General Public License |
wolfSSL | 13:f67a6c6013ca | 18 | * along with this program; if not, write to the Free Software |
wolfSSL | 13:f67a6c6013ca | 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA |
wolfSSL | 13:f67a6c6013ca | 20 | */ |
wolfSSL | 13:f67a6c6013ca | 21 | |
wolfSSL | 13:f67a6c6013ca | 22 | |
wolfSSL | 13:f67a6c6013ca | 23 | #ifndef WOLF_CRYPT_ED25519_H |
wolfSSL | 13:f67a6c6013ca | 24 | #define WOLF_CRYPT_ED25519_H |
wolfSSL | 13:f67a6c6013ca | 25 | |
wolfSSL | 13:f67a6c6013ca | 26 | #include <wolfssl/wolfcrypt/types.h> |
wolfSSL | 13:f67a6c6013ca | 27 | |
wolfSSL | 13:f67a6c6013ca | 28 | #ifdef HAVE_ED25519 |
wolfSSL | 13:f67a6c6013ca | 29 | |
wolfSSL | 13:f67a6c6013ca | 30 | #include <wolfssl/wolfcrypt/fe_operations.h> |
wolfSSL | 13:f67a6c6013ca | 31 | #include <wolfssl/wolfcrypt/ge_operations.h> |
wolfSSL | 13:f67a6c6013ca | 32 | #include <wolfssl/wolfcrypt/random.h> |
wolfSSL | 13:f67a6c6013ca | 33 | #include <wolfssl/wolfcrypt/sha512.h> |
wolfSSL | 13:f67a6c6013ca | 34 | |
wolfSSL | 13:f67a6c6013ca | 35 | #ifdef WOLFSSL_ASYNC_CRYPT |
wolfSSL | 13:f67a6c6013ca | 36 | #include <wolfssl/wolfcrypt/async.h> |
wolfSSL | 13:f67a6c6013ca | 37 | #endif |
wolfSSL | 13:f67a6c6013ca | 38 | |
wolfSSL | 13:f67a6c6013ca | 39 | #ifdef __cplusplus |
wolfSSL | 13:f67a6c6013ca | 40 | extern "C" { |
wolfSSL | 13:f67a6c6013ca | 41 | #endif |
wolfSSL | 13:f67a6c6013ca | 42 | |
wolfSSL | 13:f67a6c6013ca | 43 | |
wolfSSL | 13:f67a6c6013ca | 44 | /* info about EdDSA curve specifically ed25519, defined as an elliptic curve |
wolfSSL | 13:f67a6c6013ca | 45 | over GF(p) */ |
wolfSSL | 13:f67a6c6013ca | 46 | /* |
wolfSSL | 13:f67a6c6013ca | 47 | 32, key size |
wolfSSL | 13:f67a6c6013ca | 48 | "ED25519", curve name |
wolfSSL | 13:f67a6c6013ca | 49 | "2^255-19", prime number |
wolfSSL | 13:f67a6c6013ca | 50 | "SHA512", hash function |
wolfSSL | 13:f67a6c6013ca | 51 | "-121665/121666", value of d |
wolfSSL | 13:f67a6c6013ca | 52 | */ |
wolfSSL | 13:f67a6c6013ca | 53 | |
wolfSSL | 13:f67a6c6013ca | 54 | #define ED25519_KEY_SIZE 32 /* private key only */ |
wolfSSL | 13:f67a6c6013ca | 55 | #define ED25519_SIG_SIZE 64 |
wolfSSL | 13:f67a6c6013ca | 56 | |
wolfSSL | 13:f67a6c6013ca | 57 | #define ED25519_PUB_KEY_SIZE 32 /* compressed */ |
wolfSSL | 13:f67a6c6013ca | 58 | /* both private and public key */ |
wolfSSL | 13:f67a6c6013ca | 59 | #define ED25519_PRV_KEY_SIZE (ED25519_PUB_KEY_SIZE+ED25519_KEY_SIZE) |
wolfSSL | 13:f67a6c6013ca | 60 | |
wolfSSL | 13:f67a6c6013ca | 61 | |
wolfSSL | 13:f67a6c6013ca | 62 | #ifndef WC_ED25519KEY_TYPE_DEFINED |
wolfSSL | 13:f67a6c6013ca | 63 | typedef struct ed25519_key ed25519_key; |
wolfSSL | 13:f67a6c6013ca | 64 | #define WC_ED25519KEY_TYPE_DEFINED |
wolfSSL | 13:f67a6c6013ca | 65 | #endif |
wolfSSL | 13:f67a6c6013ca | 66 | |
wolfSSL | 13:f67a6c6013ca | 67 | /* An ED25519 Key */ |
wolfSSL | 13:f67a6c6013ca | 68 | struct ed25519_key { |
wolfSSL | 13:f67a6c6013ca | 69 | byte p[ED25519_PUB_KEY_SIZE]; /* compressed public key */ |
wolfSSL | 13:f67a6c6013ca | 70 | byte k[ED25519_PRV_KEY_SIZE]; /* private key : 32 secret -- 32 public */ |
wolfSSL | 13:f67a6c6013ca | 71 | #ifdef FREESCALE_LTC_ECC |
wolfSSL | 13:f67a6c6013ca | 72 | /* uncompressed point coordinates */ |
wolfSSL | 13:f67a6c6013ca | 73 | byte pointX[ED25519_KEY_SIZE]; /* recovered X coordinate */ |
wolfSSL | 13:f67a6c6013ca | 74 | byte pointY[ED25519_KEY_SIZE]; /* Y coordinate is the public key with The most significant bit of the final octet always zero. */ |
wolfSSL | 13:f67a6c6013ca | 75 | #endif |
wolfSSL | 13:f67a6c6013ca | 76 | #ifdef WOLFSSL_ASYNC_CRYPT |
wolfSSL | 13:f67a6c6013ca | 77 | WC_ASYNC_DEV asyncDev; |
wolfSSL | 13:f67a6c6013ca | 78 | #endif |
wolfSSL | 13:f67a6c6013ca | 79 | }; |
wolfSSL | 13:f67a6c6013ca | 80 | |
wolfSSL | 13:f67a6c6013ca | 81 | |
wolfSSL | 13:f67a6c6013ca | 82 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 83 | int wc_ed25519_make_key(WC_RNG* rng, int keysize, ed25519_key* key); |
wolfSSL | 13:f67a6c6013ca | 84 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 85 | int wc_ed25519_sign_msg(const byte* in, word32 inlen, byte* out, |
wolfSSL | 13:f67a6c6013ca | 86 | word32 *outlen, ed25519_key* key); |
wolfSSL | 13:f67a6c6013ca | 87 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 88 | int wc_ed25519_verify_msg(const byte* sig, word32 siglen, const byte* msg, |
wolfSSL | 13:f67a6c6013ca | 89 | word32 msglen, int* stat, ed25519_key* key); |
wolfSSL | 13:f67a6c6013ca | 90 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 91 | int wc_ed25519_init(ed25519_key* key); |
wolfSSL | 13:f67a6c6013ca | 92 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 93 | void wc_ed25519_free(ed25519_key* key); |
wolfSSL | 13:f67a6c6013ca | 94 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 95 | int wc_ed25519_import_public(const byte* in, word32 inLen, ed25519_key* key); |
wolfSSL | 13:f67a6c6013ca | 96 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 97 | int wc_ed25519_import_private_only(const byte* priv, word32 privSz, |
wolfSSL | 13:f67a6c6013ca | 98 | ed25519_key* key); |
wolfSSL | 13:f67a6c6013ca | 99 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 100 | int wc_ed25519_import_private_key(const byte* priv, word32 privSz, |
wolfSSL | 13:f67a6c6013ca | 101 | const byte* pub, word32 pubSz, ed25519_key* key); |
wolfSSL | 13:f67a6c6013ca | 102 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 103 | int wc_ed25519_export_public(ed25519_key*, byte* out, word32* outLen); |
wolfSSL | 13:f67a6c6013ca | 104 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 105 | int wc_ed25519_export_private_only(ed25519_key* key, byte* out, word32* outLen); |
wolfSSL | 13:f67a6c6013ca | 106 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 107 | int wc_ed25519_export_private(ed25519_key* key, byte* out, word32* outLen); |
wolfSSL | 13:f67a6c6013ca | 108 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 109 | int wc_ed25519_export_key(ed25519_key* key, |
wolfSSL | 13:f67a6c6013ca | 110 | byte* priv, word32 *privSz, |
wolfSSL | 13:f67a6c6013ca | 111 | byte* pub, word32 *pubSz); |
wolfSSL | 13:f67a6c6013ca | 112 | |
wolfSSL | 13:f67a6c6013ca | 113 | int wc_ed25519_check_key(ed25519_key* key); |
wolfSSL | 13:f67a6c6013ca | 114 | |
wolfSSL | 13:f67a6c6013ca | 115 | /* size helper */ |
wolfSSL | 13:f67a6c6013ca | 116 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 117 | int wc_ed25519_size(ed25519_key* key); |
wolfSSL | 13:f67a6c6013ca | 118 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 119 | int wc_ed25519_priv_size(ed25519_key* key); |
wolfSSL | 13:f67a6c6013ca | 120 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 121 | int wc_ed25519_pub_size(ed25519_key* key); |
wolfSSL | 13:f67a6c6013ca | 122 | WOLFSSL_API |
wolfSSL | 13:f67a6c6013ca | 123 | int wc_ed25519_sig_size(ed25519_key* key); |
wolfSSL | 13:f67a6c6013ca | 124 | |
wolfSSL | 13:f67a6c6013ca | 125 | #ifdef __cplusplus |
wolfSSL | 13:f67a6c6013ca | 126 | } /* extern "C" */ |
wolfSSL | 13:f67a6c6013ca | 127 | #endif |
wolfSSL | 13:f67a6c6013ca | 128 | |
wolfSSL | 13:f67a6c6013ca | 129 | #endif /* HAVE_ED25519 */ |
wolfSSL | 13:f67a6c6013ca | 130 | #endif /* WOLF_CRYPT_ED25519_H */ |
wolfSSL | 13:f67a6c6013ca | 131 | |
wolfSSL | 13:f67a6c6013ca | 132 |