diff options
Diffstat (limited to 'sys/opencrypto/xform_sha2.c')
| -rw-r--r-- | sys/opencrypto/xform_sha2.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/sys/opencrypto/xform_sha2.c b/sys/opencrypto/xform_sha2.c new file mode 100644 index 0000000..016fd09 --- /dev/null +++ b/sys/opencrypto/xform_sha2.c @@ -0,0 +1,107 @@ +/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ +/*- + * The authors of this code are John Ioannidis (ji@tla.org), + * Angelos D. Keromytis (kermit@csd.uch.gr), + * Niels Provos (provos@physnet.uni-hamburg.de) and + * Damien Miller (djm@mindrot.org). + * + * This code was written by John Ioannidis for BSD/OS in Athens, Greece, + * in November 1995. + * + * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, + * by Angelos D. Keromytis. + * + * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis + * and Niels Provos. + * + * Additional features in 1999 by Angelos D. Keromytis. + * + * AES XTS implementation in 2008 by Damien Miller + * + * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, + * Angelos D. Keromytis and Niels Provos. + * + * Copyright (C) 2001, Angelos D. Keromytis. + * + * Copyright (C) 2008, Damien Miller + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by John-Mark Gurney + * under sponsorship of the FreeBSD Foundation and + * Rubicon Communications, LLC (Netgate). + * + * Permission to use, copy, and modify this software with or without fee + * is hereby granted, provided that this entire notice is included in + * all copies of any software which is or includes a copy or + * modification of this software. + * You may use this code under the GNU public license if you so wish. Please + * contribute changes back to the authors under this freer than GPL license + * so that we may further the use of strong encryption without limitations to + * all. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE + * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR + * PURPOSE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <crypto/sha2/sha2.h> +#include <opencrypto/xform_auth.h> + +static int SHA256Update_int(void *, const u_int8_t *, u_int16_t); +static int SHA384Update_int(void *, const u_int8_t *, u_int16_t); +static int SHA512Update_int(void *, const u_int8_t *, u_int16_t); + +/* Authentication instances */ +struct auth_hash auth_hash_hmac_sha2_256 = { + CRYPTO_SHA2_256_HMAC, "HMAC-SHA2-256", + SHA2_256_HMAC_KEY_LEN, SHA2_256_HASH_LEN, sizeof(SHA256_CTX), + SHA2_256_HMAC_BLOCK_LEN, + (void (*)(void *)) SHA256_Init, NULL, NULL, SHA256Update_int, + (void (*)(u_int8_t *, void *)) SHA256_Final +}; + +struct auth_hash auth_hash_hmac_sha2_384 = { + CRYPTO_SHA2_384_HMAC, "HMAC-SHA2-384", + SHA2_384_HMAC_KEY_LEN, SHA2_384_HASH_LEN, sizeof(SHA384_CTX), + SHA2_384_HMAC_BLOCK_LEN, + (void (*)(void *)) SHA384_Init, NULL, NULL, SHA384Update_int, + (void (*)(u_int8_t *, void *)) SHA384_Final +}; + +struct auth_hash auth_hash_hmac_sha2_512 = { + CRYPTO_SHA2_512_HMAC, "HMAC-SHA2-512", + SHA2_512_HMAC_KEY_LEN, SHA2_512_HASH_LEN, sizeof(SHA512_CTX), + SHA2_512_HMAC_BLOCK_LEN, + (void (*)(void *)) SHA512_Init, NULL, NULL, SHA512Update_int, + (void (*)(u_int8_t *, void *)) SHA512_Final +}; + +/* + * And now for auth. + */ +static int +SHA256Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) +{ + SHA256_Update(ctx, buf, len); + return 0; +} + +static int +SHA384Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) +{ + SHA384_Update(ctx, buf, len); + return 0; +} + +static int +SHA512Update_int(void *ctx, const u_int8_t *buf, u_int16_t len) +{ + SHA512_Update(ctx, buf, len); + return 0; +} |
