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0e33efe4e4
The upstream repository is on github BLAKE2/libb2. Files landed in sys/contrib/libb2 are the unmodified upstream files, except for one difference: secure_zero_memory's contents have been replaced with explicit_bzero() only because the previous implementation broke powerpc link. Preferential use of explicit_bzero() is in progress upstream, so it is anticipated we will be able to drop this diff in the future. sys/crypto/blake2 contains the source files needed to port libb2 to our build system, a wrapped (limited) variant of the algorithm to match the API of our auth_transform softcrypto abstraction, incorporation into the Open Crypto Framework (OCF) cryptosoft(4) driver, as well as an x86 SSE/AVX accelerated OCF driver, blake2(4). Optimized variants of blake2 are compiled for a number of x86 machines (anything from SSE2 to AVX + XOP). On those machines, FPU context will need to be explicitly saved before using blake2(4)-provided algorithms directly. Use via cryptodev / OCF saves FPU state automatically, and use via the auth_transform softcrypto abstraction does not use FPU. The intent of the OCF driver is mostly to enable testing in userspace via /dev/crypto. ATF tests are added with published KAT test vectors to validate correctness. Reviewed by: jhb, markj Obtained from: github BLAKE2/libb2 Differential Revision: https://reviews.freebsd.org/D14662
92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/* $FreeBSD$ */
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/* $OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben Exp $ */
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/*-
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* The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
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*
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* This code was written by Angelos D. Keromytis in Athens, Greece, in
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* February 2000. Network Security Technologies Inc. (NSTI) kindly
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* supported the development of this code.
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*
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* Copyright (c) 2000 Angelos D. Keromytis
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* Copyright (c) 2014 The FreeBSD Foundation
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* All rights reserved.
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*
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* Portions of this software were developed by John-Mark Gurney
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* under sponsorship of the FreeBSD Foundation and
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* Rubicon Communications, LLC (Netgate).
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*
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* Permission to use, copy, and modify this software without fee
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* is hereby granted, provided that this entire notice is included in
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* all source code copies of any software which is or includes a copy or
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* modification of this software.
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*
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* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
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* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
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* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
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* PURPOSE.
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*/
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#ifndef _CRYPTO_XFORM_AUTH_H_
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#define _CRYPTO_XFORM_AUTH_H_
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#include <sys/malloc.h>
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#include <sys/errno.h>
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#include <sys/md5.h>
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#include <crypto/sha1.h>
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#include <crypto/sha2/sha256.h>
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#include <crypto/sha2/sha384.h>
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#include <crypto/sha2/sha512.h>
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#include <opencrypto/rmd160.h>
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#include <opencrypto/gmac.h>
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#include <opencrypto/cryptodev.h>
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#include <opencrypto/xform_userland.h>
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/* XXX use a define common with other hash stuff ! */
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#define AH_ALEN_MAX 64 /* max authenticator hash length */
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/* Declarations */
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struct auth_hash {
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int type;
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char *name;
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u_int16_t keysize;
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u_int16_t hashsize;
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u_int16_t ctxsize;
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u_int16_t blocksize;
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void (*Init) (void *);
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void (*Setkey) (void *, const u_int8_t *, u_int16_t);
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void (*Reinit) (void *, const u_int8_t *, u_int16_t);
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int (*Update) (void *, const u_int8_t *, u_int16_t);
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void (*Final) (u_int8_t *, void *);
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};
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extern struct auth_hash auth_hash_null;
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extern struct auth_hash auth_hash_key_md5;
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extern struct auth_hash auth_hash_key_sha1;
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extern struct auth_hash auth_hash_hmac_md5;
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extern struct auth_hash auth_hash_hmac_sha1;
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extern struct auth_hash auth_hash_hmac_ripemd_160;
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extern struct auth_hash auth_hash_hmac_sha2_256;
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extern struct auth_hash auth_hash_hmac_sha2_384;
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extern struct auth_hash auth_hash_hmac_sha2_512;
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extern struct auth_hash auth_hash_nist_gmac_aes_128;
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extern struct auth_hash auth_hash_nist_gmac_aes_192;
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extern struct auth_hash auth_hash_nist_gmac_aes_256;
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extern struct auth_hash auth_hash_blake2b;
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extern struct auth_hash auth_hash_blake2s;
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union authctx {
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MD5_CTX md5ctx;
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SHA1_CTX sha1ctx;
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RMD160_CTX rmd160ctx;
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SHA256_CTX sha256ctx;
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SHA384_CTX sha384ctx;
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SHA512_CTX sha512ctx;
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struct aes_gmac_ctx aes_gmac_ctx;
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};
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#endif /* _CRYPTO_XFORM_AUTH_H_ */
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