Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/crypto/xform.h
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1 /* $OpenBSD: xform.h,v 1.32 2021/10/22 12:30:53 bluhm 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 #define AESCTR_NONCESIZE 4 34 #define AESCTR_IVSIZE 8 35 #define AESCTR_BLOCKSIZE 16 36 37 #define AES_XTS_BLOCKSIZE 16 38 #define AES_XTS_IVSIZE 8 39 #define AES_XTS_ALPHA 0x87 /* GF(2^128) generator polynomial */ 40 41 /* Declarations */ 42 struct auth_hash { 43 int type; 44 char *name; 45 u_int16_t keysize; 46 u_int16_t hashsize; 47 u_int16_t authsize; 48 u_int16_t ctxsize; 49 u_int16_t blocksize; 50 void (*Init) (void *); 51 void (*Setkey) (void *, const u_int8_t *, u_int16_t); 52 void (*Reinit) (void *, const u_int8_t *, u_int16_t); 53 int (*Update) (void *, const u_int8_t *, u_int16_t); 54 void (*Final) (u_int8_t *, void *); 55 }; 56 57 struct enc_xform { 58 int type; 59 char *name; 60 u_int16_t blocksize; 61 u_int16_t ivsize; 62 u_int16_t minkey; 63 u_int16_t maxkey; 64 u_int16_t ctxsize; 65 void (*encrypt) (caddr_t, u_int8_t *); 66 void (*decrypt) (caddr_t, u_int8_t *); 67 int (*setkey) (void *, u_int8_t *, int len); 68 void (*reinit) (caddr_t, u_int8_t *); 69 }; 70 71 struct comp_algo { 72 int type; 73 char *name; 74 size_t minlen; 75 u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **); 76 u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **); 77 }; 78 79 union authctx { 80 MD5_CTX md5ctx; 81 SHA1_CTX sha1ctx; 82 RMD160_CTX rmd160ctx; 83 SHA2_CTX sha2_ctx; 84 AES_GMAC_CTX aes_gmac_ctx; 85 }; 86 87 extern const struct enc_xform enc_xform_3des; 88 extern const struct enc_xform enc_xform_blf; 89 extern const struct enc_xform enc_xform_cast5; 90 extern const struct enc_xform enc_xform_aes; 91 extern const struct enc_xform enc_xform_aes_ctr; 92 extern const struct enc_xform enc_xform_aes_gcm; 93 extern const struct enc_xform enc_xform_aes_gmac; 94 extern const struct enc_xform enc_xform_aes_xts; 95 extern const struct enc_xform enc_xform_chacha20_poly1305; 96 extern const struct enc_xform enc_xform_null; 97 98 extern const struct auth_hash auth_hash_hmac_md5_96; 99 extern const struct auth_hash auth_hash_hmac_sha1_96; 100 extern const struct auth_hash auth_hash_hmac_ripemd_160_96; 101 extern const struct auth_hash auth_hash_hmac_sha2_256_128; 102 extern const struct auth_hash auth_hash_hmac_sha2_384_192; 103 extern const struct auth_hash auth_hash_hmac_sha2_512_256; 104 extern const struct auth_hash auth_hash_gmac_aes_128; 105 extern const struct auth_hash auth_hash_gmac_aes_192; 106 extern const struct auth_hash auth_hash_gmac_aes_256; 107 extern const struct auth_hash auth_hash_chacha20_poly1305; 108 109 extern const struct comp_algo comp_algo_deflate; 110 111 #endif /* _CRYPTO_XFORM_H_ */
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