1 /* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ 2 /*- 3 * The authors of this code are John Ioannidis (ji@tla.org), 4 * Angelos D. Keromytis (kermit@csd.uch.gr), 5 * Niels Provos (provos@physnet.uni-hamburg.de) and 6 * Damien Miller (djm@mindrot.org). 7 * 8 * This code was written by John Ioannidis for BSD/OS in Athens, Greece, 9 * in November 1995. 10 * 11 * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, 12 * by Angelos D. Keromytis. 13 * 14 * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis 15 * and Niels Provos. 16 * 17 * Additional features in 1999 by Angelos D. Keromytis. 18 * 19 * AES XTS implementation in 2008 by Damien Miller 20 * 21 * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, 22 * Angelos D. Keromytis and Niels Provos. 23 * 24 * Copyright (C) 2001, Angelos D. Keromytis. 25 * 26 * Copyright (C) 2008, Damien Miller 27 * Copyright (c) 2014 The FreeBSD Foundation 28 * All rights reserved. 29 * 30 * Portions of this software were developed by John-Mark Gurney 31 * under sponsorship of the FreeBSD Foundation and 32 * Rubicon Communications, LLC (Netgate). 33 * 34 * Permission to use, copy, and modify this software with or without fee 35 * is hereby granted, provided that this entire notice is included in 36 * all copies of any software which is or includes a copy or 37 * modification of this software. 38 * You may use this code under the GNU public license if you so wish. Please 39 * contribute changes back to the authors under this freer than GPL license 40 * so that we may further the use of strong encryption without limitations to 41 * all. 42 * 43 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR 44 * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY 45 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE 46 * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR 47 * PURPOSE. 48 */ 49 50 #include <sys/cdefs.h> 51 #include <sys/types.h> 52 #include <crypto/sha2/sha224.h> 53 #include <crypto/sha2/sha256.h> 54 #include <crypto/sha2/sha384.h> 55 #include <crypto/sha2/sha512.h> 56 #include <opencrypto/xform_auth.h> 57 58 static int SHA224Update_int(void *, const void *, u_int); 59 static int SHA256Update_int(void *, const void *, u_int); 60 static int SHA384Update_int(void *, const void *, u_int); 61 static int SHA512Update_int(void *, const void *, u_int); 62 63 /* Plain hashes */ 64 const struct auth_hash auth_hash_sha2_224 = { 65 .type = CRYPTO_SHA2_224, 66 .name = "SHA2-224", 67 .hashsize = SHA2_224_HASH_LEN, 68 .ctxsize = sizeof(SHA224_CTX), 69 .blocksize = SHA2_224_BLOCK_LEN, 70 .Init = (void (*)(void *)) SHA224_Init, 71 .Update = SHA224Update_int, 72 .Final = (void (*)(uint8_t *, void *)) SHA224_Final, 73 }; 74 75 const struct auth_hash auth_hash_sha2_256 = { 76 .type = CRYPTO_SHA2_256, 77 .name = "SHA2-256", 78 .keysize = SHA2_256_BLOCK_LEN, 79 .hashsize = SHA2_256_HASH_LEN, 80 .ctxsize = sizeof(SHA256_CTX), 81 .blocksize = SHA2_256_BLOCK_LEN, 82 .Init = (void (*)(void *)) SHA256_Init, 83 .Update = SHA256Update_int, 84 .Final = (void (*)(uint8_t *, void *)) SHA256_Final, 85 }; 86 87 const struct auth_hash auth_hash_sha2_384 = { 88 .type = CRYPTO_SHA2_384, 89 .name = "SHA2-384", 90 .keysize = SHA2_384_BLOCK_LEN, 91 .hashsize = SHA2_384_HASH_LEN, 92 .ctxsize = sizeof(SHA384_CTX), 93 .blocksize = SHA2_384_BLOCK_LEN, 94 .Init = (void (*)(void *)) SHA384_Init, 95 .Update = SHA384Update_int, 96 .Final = (void (*)(uint8_t *, void *)) SHA384_Final, 97 }; 98 99 const struct auth_hash auth_hash_sha2_512 = { 100 .type = CRYPTO_SHA2_512, 101 .name = "SHA2-512", 102 .keysize = SHA2_512_BLOCK_LEN, 103 .hashsize = SHA2_512_HASH_LEN, 104 .ctxsize = sizeof(SHA512_CTX), 105 .blocksize = SHA2_512_BLOCK_LEN, 106 .Init = (void (*)(void *)) SHA512_Init, 107 .Update = SHA512Update_int, 108 .Final = (void (*)(uint8_t *, void *)) SHA512_Final, 109 }; 110 111 /* Authentication instances */ 112 const struct auth_hash auth_hash_hmac_sha2_224 = { 113 .type = CRYPTO_SHA2_224_HMAC, 114 .name = "HMAC-SHA2-224", 115 .keysize = SHA2_224_BLOCK_LEN, 116 .hashsize = SHA2_224_HASH_LEN, 117 .ctxsize = sizeof(SHA224_CTX), 118 .blocksize = SHA2_224_BLOCK_LEN, 119 .Init = (void (*)(void *)) SHA224_Init, 120 .Update = SHA224Update_int, 121 .Final = (void (*)(uint8_t *, void *)) SHA224_Final, 122 }; 123 124 const struct auth_hash auth_hash_hmac_sha2_256 = { 125 .type = CRYPTO_SHA2_256_HMAC, 126 .name = "HMAC-SHA2-256", 127 .keysize = SHA2_256_BLOCK_LEN, 128 .hashsize = SHA2_256_HASH_LEN, 129 .ctxsize = sizeof(SHA256_CTX), 130 .blocksize = SHA2_256_BLOCK_LEN, 131 .Init = (void (*)(void *)) SHA256_Init, 132 .Update = SHA256Update_int, 133 .Final = (void (*)(uint8_t *, void *)) SHA256_Final, 134 }; 135 136 const struct auth_hash auth_hash_hmac_sha2_384 = { 137 .type = CRYPTO_SHA2_384_HMAC, 138 .name = "HMAC-SHA2-384", 139 .keysize = SHA2_384_BLOCK_LEN, 140 .hashsize = SHA2_384_HASH_LEN, 141 .ctxsize = sizeof(SHA384_CTX), 142 .blocksize = SHA2_384_BLOCK_LEN, 143 .Init = (void (*)(void *)) SHA384_Init, 144 .Update = SHA384Update_int, 145 .Final = (void (*)(uint8_t *, void *)) SHA384_Final, 146 }; 147 148 const struct auth_hash auth_hash_hmac_sha2_512 = { 149 .type = CRYPTO_SHA2_512_HMAC, 150 .name = "HMAC-SHA2-512", 151 .keysize = SHA2_512_BLOCK_LEN, 152 .hashsize = SHA2_512_HASH_LEN, 153 .ctxsize = sizeof(SHA512_CTX), 154 .blocksize = SHA2_512_BLOCK_LEN, 155 .Init = (void (*)(void *)) SHA512_Init, 156 .Update = SHA512Update_int, 157 .Final = (void (*)(uint8_t *, void *)) SHA512_Final, 158 }; 159 160 /* 161 * And now for auth. 162 */ 163 static int 164 SHA224Update_int(void *ctx, const void *buf, u_int len) 165 { 166 SHA224_Update(ctx, buf, len); 167 return 0; 168 } 169 170 static int 171 SHA256Update_int(void *ctx, const void *buf, u_int len) 172 { 173 SHA256_Update(ctx, buf, len); 174 return 0; 175 } 176 177 static int 178 SHA384Update_int(void *ctx, const void *buf, u_int len) 179 { 180 SHA384_Update(ctx, buf, len); 181 return 0; 182 } 183 184 static int 185 SHA512Update_int(void *ctx, const void *buf, u_int len) 186 { 187 SHA512_Update(ctx, buf, len); 188 return 0; 189 } 190