1 /* $OpenBSD: xform.h,v 1.28 2015/12/10 21:00:51 naddy Exp $ */ 2 3 /* 4 * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu) 5 * 6 * This code was written by Angelos D. Keromytis in Athens, Greece, in 7 * February 2000. Network Security Technologies Inc. (NSTI) kindly 8 * supported the development of this code. 9 * 10 * Copyright (c) 2000 Angelos D. Keromytis 11 * 12 * Permission to use, copy, and modify this software with or without fee 13 * is hereby granted, provided that this entire notice is included in 14 * all source code copies of any software which is or includes a copy or 15 * modification of this software. 16 * 17 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR 18 * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY 19 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE 20 * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR 21 * PURPOSE. 22 */ 23 24 #ifndef _CRYPTO_XFORM_H_ 25 #define _CRYPTO_XFORM_H_ 26 27 #include <crypto/md5.h> 28 #include <crypto/sha1.h> 29 #include <crypto/rmd160.h> 30 #include <crypto/sha2.h> 31 #include <crypto/gmac.h> 32 33 /* Declarations */ 34 struct auth_hash { 35 int type; 36 char *name; 37 u_int16_t keysize; 38 u_int16_t hashsize; 39 u_int16_t authsize; 40 u_int16_t ctxsize; 41 u_int16_t blocksize; 42 void (*Init) (void *); 43 void (*Setkey) (void *, const u_int8_t *, u_int16_t); 44 void (*Reinit) (void *, const u_int8_t *, u_int16_t); 45 int (*Update) (void *, const u_int8_t *, u_int16_t); 46 void (*Final) (u_int8_t *, void *); 47 }; 48 49 struct enc_xform { 50 int type; 51 char *name; 52 u_int16_t blocksize; 53 u_int16_t ivsize; 54 u_int16_t minkey; 55 u_int16_t maxkey; 56 u_int16_t ctxsize; 57 void (*encrypt) (caddr_t, u_int8_t *); 58 void (*decrypt) (caddr_t, u_int8_t *); 59 int (*setkey) (void *, u_int8_t *, int len); 60 void (*reinit) (caddr_t, u_int8_t *); 61 }; 62 63 struct comp_algo { 64 int type; 65 char *name; 66 size_t minlen; 67 u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **); 68 u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **); 69 }; 70 71 union authctx { 72 MD5_CTX md5ctx; 73 SHA1_CTX sha1ctx; 74 RMD160_CTX rmd160ctx; 75 SHA2_CTX sha2_ctx; 76 AES_GMAC_CTX aes_gmac_ctx; 77 }; 78 79 extern struct enc_xform enc_xform_3des; 80 extern struct enc_xform enc_xform_blf; 81 extern struct enc_xform enc_xform_cast5; 82 extern struct enc_xform enc_xform_rijndael128; 83 extern struct enc_xform enc_xform_aes_ctr; 84 extern struct enc_xform enc_xform_aes_gcm; 85 extern struct enc_xform enc_xform_aes_gmac; 86 extern struct enc_xform enc_xform_aes_xts; 87 extern struct enc_xform enc_xform_chacha20_poly1305; 88 extern struct enc_xform enc_xform_null; 89 90 extern struct auth_hash auth_hash_hmac_md5_96; 91 extern struct auth_hash auth_hash_hmac_sha1_96; 92 extern struct auth_hash auth_hash_hmac_ripemd_160_96; 93 extern struct auth_hash auth_hash_hmac_sha2_256_128; 94 extern struct auth_hash auth_hash_hmac_sha2_384_192; 95 extern struct auth_hash auth_hash_hmac_sha2_512_256; 96 extern struct auth_hash auth_hash_gmac_aes_128; 97 extern struct auth_hash auth_hash_gmac_aes_192; 98 extern struct auth_hash auth_hash_gmac_aes_256; 99 extern struct auth_hash auth_hash_chacha20_poly1305; 100 101 extern struct comp_algo comp_algo_deflate; 102 extern struct comp_algo comp_algo_lzs; 103 104 #endif /* _CRYPTO_XFORM_H_ */ 105