FreeBSD/Linux Kernel Cross Reference
sys/opencrypto/xform_auth.h

     /*      $FreeBSD$       */
     /*      $OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben Exp $   */
     
     /*-
      * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
      *
      * This code was written by Angelos D. Keromytis in Athens, Greece, in
      * February 2000. Network Security Technologies Inc. (NSTI) kindly
      * supported the development of this code.
     *
     * Copyright (c) 2000 Angelos D. Keromytis
     * 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 without fee
     * is hereby granted, provided that this entire notice is included in
     * all source code copies of any software which is or includes a copy or
     * modification of this software. 
     *
     * 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.
     */
    
    #ifndef _CRYPTO_XFORM_AUTH_H_
    #define _CRYPTO_XFORM_AUTH_H_
    
    #include <sys/types.h>
    
    #include <crypto/sha1.h>
    #include <crypto/sha2/sha224.h>
    #include <crypto/sha2/sha256.h>
    #include <crypto/sha2/sha384.h>
    #include <crypto/sha2/sha512.h>
    #include <opencrypto/rmd160.h>
    #include <opencrypto/gmac.h>
    #include <opencrypto/cbc_mac.h>
    
    #include <opencrypto/cryptodev.h>
    
    /* XXX use a define common with other hash stuff ! */
    #define AH_ALEN_MAX     64      /* max authenticator hash length */
    
    /* Declarations */
    struct auth_hash {
            int type;
            const char *name;
            uint16_t keysize;
            uint16_t hashsize; 
            uint16_t ctxsize;
            uint16_t blocksize;
            void (*Init) (void *);
            void (*Setkey) (void *, const uint8_t *, u_int);
            void (*Reinit) (void *, const uint8_t *, u_int);
            int  (*Update) (void *, const void *, u_int);
            void (*Final) (uint8_t *, void *);
    };
    
    extern const struct auth_hash auth_hash_null;
    extern const struct auth_hash auth_hash_hmac_sha1;
    extern const struct auth_hash auth_hash_hmac_ripemd_160;
    extern const struct auth_hash auth_hash_hmac_sha2_224;
    extern const struct auth_hash auth_hash_hmac_sha2_256;
    extern const struct auth_hash auth_hash_hmac_sha2_384;
    extern const struct auth_hash auth_hash_hmac_sha2_512;
    extern const struct auth_hash auth_hash_ripemd_160;
    extern const struct auth_hash auth_hash_sha1;
    extern const struct auth_hash auth_hash_sha2_224;
    extern const struct auth_hash auth_hash_sha2_256;
    extern const struct auth_hash auth_hash_sha2_384;
    extern const struct auth_hash auth_hash_sha2_512;
    extern const struct auth_hash auth_hash_nist_gmac_aes_128;
    extern const struct auth_hash auth_hash_nist_gmac_aes_192;
    extern const struct auth_hash auth_hash_nist_gmac_aes_256;
    extern const struct auth_hash auth_hash_blake2b;
    extern const struct auth_hash auth_hash_blake2s;
    extern const struct auth_hash auth_hash_poly1305;
    extern const struct auth_hash auth_hash_ccm_cbc_mac_128;
    extern const struct auth_hash auth_hash_ccm_cbc_mac_192;
    extern const struct auth_hash auth_hash_ccm_cbc_mac_256;
    
    union authctx {
            SHA1_CTX sha1ctx;
            RMD160_CTX rmd160ctx;
            SHA224_CTX sha224ctx;
            SHA256_CTX sha256ctx;
            SHA384_CTX sha384ctx;
            SHA512_CTX sha512ctx;
            struct aes_gmac_ctx aes_gmac_ctx;
            struct aes_cbc_mac_ctx aes_cbc_mac_ctx;
    };
    
    #endif /* _CRYPTO_XFORM_AUTH_H_ */

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