1 /* $FreeBSD: src/sys/opencrypto/xform.h,v 1.4 2007/05/09 19:37:02 gnn Exp $ */ 2 /* $DragonFly: src/sys/opencrypto/xform.h,v 1.2 2003/06/17 04:28:54 dillon Exp $ */ 3 /* $OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben Exp $ */ 4 5 /*- 6 * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu) 7 * 8 * This code was written by Angelos D. Keromytis in Athens, Greece, in 9 * February 2000. Network Security Technologies Inc. (NSTI) kindly 10 * supported the development of this code. 11 * 12 * Copyright (c) 2000 Angelos D. Keromytis 13 * 14 * Permission to use, copy, and modify this software without fee 15 * is hereby granted, provided that this entire notice is included in 16 * all source code copies of any software which is or includes a copy or 17 * modification of this software. 18 * 19 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR 20 * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY 21 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE 22 * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR 23 * PURPOSE. 24 */ 25 26 #ifndef _CRYPTO_XFORM_H_ 27 #define _CRYPTO_XFORM_H_ 28 29 #include <sys/md5.h> 30 #include <crypto/sha1.h> 31 #include <crypto/sha2/sha2.h> 32 #include <opencrypto/rmd160.h> 33 34 /* Declarations */ 35 struct auth_hash { 36 int type; 37 char *name; 38 u_int16_t keysize; 39 u_int16_t hashsize; 40 u_int16_t blocksize; 41 u_int16_t ctxsize; 42 void (*Init) (void *); 43 int (*Update) (void *, u_int8_t *, u_int16_t); 44 void (*Final) (u_int8_t *, void *); 45 }; 46 47 #define AH_ALEN_MAX 20 /* max authenticator hash length */ 48 49 struct enc_xform { 50 int type; 51 char *name; 52 u_int16_t blocksize, ivsize; 53 u_int16_t minkey, maxkey; 54 void (*encrypt) (caddr_t, u_int8_t *, u_int8_t *); 55 void (*decrypt) (caddr_t, u_int8_t *, u_int8_t *); 56 int (*setkey) (u_int8_t **, u_int8_t *, int len); 57 void (*zerokey) (u_int8_t **); 58 void (*reinit) (caddr_t, u_int8_t *); 59 }; 60 61 struct comp_algo { 62 int type; 63 char *name; 64 size_t minlen; 65 u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **); 66 u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **); 67 }; 68 69 union authctx { 70 MD5_CTX md5ctx; 71 SHA1_CTX sha1ctx; 72 RMD160_CTX rmd160ctx; 73 SHA256_CTX sha256ctx; 74 SHA384_CTX sha384ctx; 75 SHA512_CTX sha512ctx; 76 }; 77 78 extern struct enc_xform enc_xform_null; 79 extern struct enc_xform enc_xform_des; 80 extern struct enc_xform enc_xform_3des; 81 extern struct enc_xform enc_xform_blf; 82 extern struct enc_xform enc_xform_cast5; 83 extern struct enc_xform enc_xform_skipjack; 84 extern struct enc_xform enc_xform_rijndael128; 85 extern struct enc_xform enc_xform_aes_xts; 86 extern struct enc_xform enc_xform_aes_ctr; 87 extern struct enc_xform enc_xform_arc4; 88 extern struct enc_xform enc_xform_camellia; 89 90 extern struct auth_hash auth_hash_null; 91 extern struct auth_hash auth_hash_key_md5; 92 extern struct auth_hash auth_hash_key_sha1; 93 extern struct auth_hash auth_hash_hmac_md5; 94 extern struct auth_hash auth_hash_hmac_sha1; 95 extern struct auth_hash auth_hash_hmac_ripemd_160; 96 extern struct auth_hash auth_hash_hmac_sha2_256; 97 extern struct auth_hash auth_hash_hmac_sha2_384; 98 extern struct auth_hash auth_hash_hmac_sha2_512; 99 100 extern struct comp_algo comp_algo_deflate; 101 102 #ifdef _KERNEL 103 #include <sys/malloc.h> 104 MALLOC_DECLARE(M_XDATA); 105 #endif 106 #endif /* _CRYPTO_XFORM_H_ */ 107