112 lines
3.4 KiB
C
112 lines
3.4 KiB
C
/* $OpenBSD: xform.h,v 1.32 2021/10/22 12:30:53 bluhm 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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*
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* Permission to use, copy, and modify this software with or 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_H_
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#define _CRYPTO_XFORM_H_
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#include <crypto/md5.h>
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#include <crypto/sha1.h>
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#include <crypto/rmd160.h>
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#include <crypto/sha2.h>
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#include <crypto/gmac.h>
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#define AESCTR_NONCESIZE 4
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#define AESCTR_IVSIZE 8
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#define AESCTR_BLOCKSIZE 16
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#define AES_XTS_BLOCKSIZE 16
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#define AES_XTS_IVSIZE 8
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#define AES_XTS_ALPHA 0x87 /* GF(2^128) generator polynomial */
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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 authsize;
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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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struct enc_xform {
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int type;
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char *name;
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u_int16_t blocksize;
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u_int16_t ivsize;
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u_int16_t minkey;
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u_int16_t maxkey;
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u_int16_t ctxsize;
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void (*encrypt) (caddr_t, u_int8_t *);
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void (*decrypt) (caddr_t, u_int8_t *);
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int (*setkey) (void *, u_int8_t *, int len);
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void (*reinit) (caddr_t, u_int8_t *);
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};
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struct comp_algo {
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int type;
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char *name;
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size_t minlen;
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u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **);
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u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **);
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};
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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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SHA2_CTX sha2_ctx;
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AES_GMAC_CTX aes_gmac_ctx;
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};
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extern const struct enc_xform enc_xform_3des;
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extern const struct enc_xform enc_xform_blf;
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extern const struct enc_xform enc_xform_cast5;
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extern const struct enc_xform enc_xform_aes;
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extern const struct enc_xform enc_xform_aes_ctr;
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extern const struct enc_xform enc_xform_aes_gcm;
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extern const struct enc_xform enc_xform_aes_gmac;
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extern const struct enc_xform enc_xform_aes_xts;
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extern const struct enc_xform enc_xform_chacha20_poly1305;
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extern const struct enc_xform enc_xform_null;
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extern const struct auth_hash auth_hash_hmac_md5_96;
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extern const struct auth_hash auth_hash_hmac_sha1_96;
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extern const struct auth_hash auth_hash_hmac_ripemd_160_96;
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extern const struct auth_hash auth_hash_hmac_sha2_256_128;
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extern const struct auth_hash auth_hash_hmac_sha2_384_192;
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extern const struct auth_hash auth_hash_hmac_sha2_512_256;
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extern const struct auth_hash auth_hash_gmac_aes_128;
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extern const struct auth_hash auth_hash_gmac_aes_192;
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extern const struct auth_hash auth_hash_gmac_aes_256;
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extern const struct auth_hash auth_hash_chacha20_poly1305;
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extern const struct comp_algo comp_algo_deflate;
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#endif /* _CRYPTO_XFORM_H_ */
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