/* cipher.h * Copyright (C) 1998, 2002, 2003, 2009 Free Software Foundation, Inc. * * This file is part of Libgcrypt. * * Libgcrypt is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser general Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * Libgcrypt is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA */ #ifndef G10_CIPHER_H #define G10_CIPHER_H #include "gcrypt-int.h" #define DBG_CIPHER _gcry_get_debug_flag( 1 ) #include "../random/random.h" #define PUBKEY_FLAG_NO_BLINDING (1 << 0) #define PUBKEY_FLAG_RFC6979 (1 << 1) #define PUBKEY_FLAG_FIXEDLEN (1 << 2) #define PUBKEY_FLAG_LEGACYRESULT (1 << 3) #define PUBKEY_FLAG_RAW_FLAG (1 << 4) #define PUBKEY_FLAG_TRANSIENT_KEY (1 << 5) #define PUBKEY_FLAG_USE_X931 (1 << 6) #define PUBKEY_FLAG_USE_FIPS186 (1 << 7) #define PUBKEY_FLAG_USE_FIPS186_2 (1 << 8) #define PUBKEY_FLAG_PARAM (1 << 9) #define PUBKEY_FLAG_COMP (1 << 10) #define PUBKEY_FLAG_NOCOMP (1 << 11) #define PUBKEY_FLAG_EDDSA (1 << 12) #define PUBKEY_FLAG_GOST (1 << 13) #define PUBKEY_FLAG_NO_KEYTEST (1 << 14) #define PUBKEY_FLAG_DJB_TWEAK (1 << 15) enum pk_operation { PUBKEY_OP_ENCRYPT, PUBKEY_OP_DECRYPT, PUBKEY_OP_SIGN, PUBKEY_OP_VERIFY }; enum pk_encoding { PUBKEY_ENC_RAW, PUBKEY_ENC_PKCS1, PUBKEY_ENC_PKCS1_RAW, PUBKEY_ENC_OAEP, PUBKEY_ENC_PSS, PUBKEY_ENC_UNKNOWN }; struct pk_encoding_ctx { enum pk_operation op; unsigned int nbits; enum pk_encoding encoding; int flags; int hash_algo; /* for OAEP */ unsigned char *label; size_t labellen; /* for PSS */ size_t saltlen; int (* verify_cmp) (void *opaque, gcry_mpi_t tmp); void *verify_arg; }; #define CIPHER_INFO_NO_WEAK_KEY 1 #include "cipher-proto.h" /* The internal encryption modes. */ enum gcry_cipher_internal_modes { GCRY_CIPHER_MODE_INTERNAL = 0x10000, GCRY_CIPHER_MODE_CMAC = 0x10000 + 1 /* Cipher-based MAC. */ }; /*-- cipher.c --*/ gcry_err_code_t _gcry_cipher_open_internal (gcry_cipher_hd_t *handle, int algo, int mode, unsigned int flags); /*-- cipher-cmac.c --*/ gcry_err_code_t _gcry_cipher_cmac_authenticate /* */ (gcry_cipher_hd_t c, const unsigned char *abuf, size_t abuflen); gcry_err_code_t _gcry_cipher_cmac_get_tag /* */ (gcry_cipher_hd_t c, unsigned char *outtag, size_t taglen); gcry_err_code_t _gcry_cipher_cmac_check_tag /* */ (gcry_cipher_hd_t c, const unsigned char *intag, size_t taglen); gcry_err_code_t _gcry_cipher_cmac_set_subkeys /* */ (gcry_cipher_hd_t c); /*-- rmd160.c --*/ void _gcry_rmd160_hash_buffer (void *outbuf, const void *buffer, size_t length); /*-- sha1.c --*/ void _gcry_sha1_hash_buffer (void *outbuf, const void *buffer, size_t length); void _gcry_sha1_hash_buffers (void *outbuf, const gcry_buffer_t *iov, int iovcnt); /*-- sha256.c --*/ void _gcry_sha256_hash_buffer (void *outbuf, const void *buffer, size_t length); void _gcry_sha256_hash_buffers (void *outbuf, const gcry_buffer_t *iov, int iovcnt); /*-- sha512.c --*/ void _gcry_sha512_hash_buffer (void *outbuf, const void *buffer, size_t length); void _gcry_sha512_hash_buffers (void *outbuf, const gcry_buffer_t *iov, int iovcnt); /*-- blake2.c --*/ gcry_err_code_t _gcry_blake2_init_with_key(void *ctx, unsigned int flags, const unsigned char *key, size_t keylen, int algo); /*-- rijndael.c --*/ void _gcry_aes_cfb_enc (void *context, unsigned char *iv, void *outbuf, const void *inbuf, size_t nblocks); void _gcry_aes_cfb_dec (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); void _gcry_aes_cbc_enc (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks, int cbc_mac); void _gcry_aes_cbc_dec (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); void _gcry_aes_ctr_enc (void *context, unsigned char *ctr, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); size_t _gcry_aes_ocb_crypt (gcry_cipher_hd_t c, void *outbuf_arg, const void *inbuf_arg, size_t nblocks, int encrypt); size_t _gcry_aes_ocb_auth (gcry_cipher_hd_t c, const void *abuf_arg, size_t nblocks); /*-- blowfish.c --*/ void _gcry_blowfish_cfb_dec (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); void _gcry_blowfish_cbc_dec (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); void _gcry_blowfish_ctr_enc (void *context, unsigned char *ctr, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); /*-- cast5.c --*/ void _gcry_cast5_cfb_dec (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); void _gcry_cast5_cbc_dec (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); void _gcry_cast5_ctr_enc (void *context, unsigned char *ctr, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); /*-- camellia-glue.c --*/ void _gcry_camellia_ctr_enc (void *context, unsigned char *ctr, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); void _gcry_camellia_cbc_dec (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); void _gcry_camellia_cfb_dec (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); size_t _gcry_camellia_ocb_crypt (gcry_cipher_hd_t c, void *outbuf_arg, const void *inbuf_arg, size_t nblocks, int encrypt); size_t _gcry_camellia_ocb_auth (gcry_cipher_hd_t c, const void *abuf_arg, size_t nblocks); /*-- des.c --*/ void _gcry_3des_ctr_enc (void *context, unsigned char *ctr, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); void _gcry_3des_cbc_dec (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); void _gcry_3des_cfb_dec (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); /*-- serpent.c --*/ void _gcry_serpent_ctr_enc (void *context, unsigned char *ctr, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); void _gcry_serpent_cbc_dec (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); void _gcry_serpent_cfb_dec (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); size_t _gcry_serpent_ocb_crypt (gcry_cipher_hd_t c, void *outbuf_arg, const void *inbuf_arg, size_t nblocks, int encrypt); size_t _gcry_serpent_ocb_auth (gcry_cipher_hd_t c, const void *abuf_arg, size_t nblocks); /*-- twofish.c --*/ void _gcry_twofish_ctr_enc (void *context, unsigned char *ctr, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); void _gcry_twofish_cbc_dec (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); void _gcry_twofish_cfb_dec (void *context, unsigned char *iv, void *outbuf_arg, const void *inbuf_arg, size_t nblocks); size_t _gcry_twofish_ocb_crypt (gcry_cipher_hd_t c, void *outbuf_arg, const void *inbuf_arg, size_t nblocks, int encrypt); size_t _gcry_twofish_ocb_auth (gcry_cipher_hd_t c, const void *abuf_arg, size_t nblocks); /*-- dsa.c --*/ void _gcry_register_pk_dsa_progress (gcry_handler_progress_t cbc, void *cb_data); /*-- elgamal.c --*/ void _gcry_register_pk_elg_progress (gcry_handler_progress_t cb, void *cb_data); /*-- ecc.c --*/ void _gcry_register_pk_ecc_progress (gcry_handler_progress_t cbc, void *cb_data); /*-- primegen.c --*/ void _gcry_register_primegen_progress (gcry_handler_progress_t cb, void *cb_data); /*-- pubkey.c --*/ /* Declarations for the cipher specifications. */ extern gcry_cipher_spec_t _gcry_cipher_spec_blowfish; extern gcry_cipher_spec_t _gcry_cipher_spec_des; extern gcry_cipher_spec_t _gcry_cipher_spec_tripledes; extern gcry_cipher_spec_t _gcry_cipher_spec_arcfour; extern gcry_cipher_spec_t _gcry_cipher_spec_cast5; extern gcry_cipher_spec_t _gcry_cipher_spec_aes; extern gcry_cipher_spec_t _gcry_cipher_spec_aes192; extern gcry_cipher_spec_t _gcry_cipher_spec_aes256; extern gcry_cipher_spec_t _gcry_cipher_spec_twofish; extern gcry_cipher_spec_t _gcry_cipher_spec_twofish128; extern gcry_cipher_spec_t _gcry_cipher_spec_serpent128; extern gcry_cipher_spec_t _gcry_cipher_spec_serpent192; extern gcry_cipher_spec_t _gcry_cipher_spec_serpent256; extern gcry_cipher_spec_t _gcry_cipher_spec_rfc2268_40; extern gcry_cipher_spec_t _gcry_cipher_spec_rfc2268_128; extern gcry_cipher_spec_t _gcry_cipher_spec_seed; extern gcry_cipher_spec_t _gcry_cipher_spec_camellia128; extern gcry_cipher_spec_t _gcry_cipher_spec_camellia192; extern gcry_cipher_spec_t _gcry_cipher_spec_camellia256; extern gcry_cipher_spec_t _gcry_cipher_spec_idea; extern gcry_cipher_spec_t _gcry_cipher_spec_salsa20; extern gcry_cipher_spec_t _gcry_cipher_spec_salsa20r12; extern gcry_cipher_spec_t _gcry_cipher_spec_gost28147; extern gcry_cipher_spec_t _gcry_cipher_spec_chacha20; /* Declarations for the digest specifications. */ extern gcry_md_spec_t _gcry_digest_spec_crc32; extern gcry_md_spec_t _gcry_digest_spec_crc32_rfc1510; extern gcry_md_spec_t _gcry_digest_spec_crc24_rfc2440; extern gcry_md_spec_t _gcry_digest_spec_gost3411_94; extern gcry_md_spec_t _gcry_digest_spec_gost3411_cp; extern gcry_md_spec_t _gcry_digest_spec_stribog_256; extern gcry_md_spec_t _gcry_digest_spec_stribog_512; extern gcry_md_spec_t _gcry_digest_spec_md2; extern gcry_md_spec_t _gcry_digest_spec_md4; extern gcry_md_spec_t _gcry_digest_spec_md5; extern gcry_md_spec_t _gcry_digest_spec_rmd160; extern gcry_md_spec_t _gcry_digest_spec_sha1; extern gcry_md_spec_t _gcry_digest_spec_sha224; extern gcry_md_spec_t _gcry_digest_spec_sha256; extern gcry_md_spec_t _gcry_digest_spec_sha384; extern gcry_md_spec_t _gcry_digest_spec_sha512; extern gcry_md_spec_t _gcry_digest_spec_sha3_224; extern gcry_md_spec_t _gcry_digest_spec_sha3_256; extern gcry_md_spec_t _gcry_digest_spec_sha3_512; extern gcry_md_spec_t _gcry_digest_spec_sha3_384; extern gcry_md_spec_t _gcry_digest_spec_shake128; extern gcry_md_spec_t _gcry_digest_spec_shake256; extern gcry_md_spec_t _gcry_digest_spec_tiger; extern gcry_md_spec_t _gcry_digest_spec_tiger1; extern gcry_md_spec_t _gcry_digest_spec_tiger2; extern gcry_md_spec_t _gcry_digest_spec_whirlpool; extern gcry_md_spec_t _gcry_digest_spec_blake2b_512; extern gcry_md_spec_t _gcry_digest_spec_blake2b_384; extern gcry_md_spec_t _gcry_digest_spec_blake2b_256; extern gcry_md_spec_t _gcry_digest_spec_blake2b_160; extern gcry_md_spec_t _gcry_digest_spec_blake2s_256; extern gcry_md_spec_t _gcry_digest_spec_blake2s_224; extern gcry_md_spec_t _gcry_digest_spec_blake2s_160; extern gcry_md_spec_t _gcry_digest_spec_blake2s_128; /* Declarations for the pubkey cipher specifications. */ extern gcry_pk_spec_t _gcry_pubkey_spec_rsa; extern gcry_pk_spec_t _gcry_pubkey_spec_elg; extern gcry_pk_spec_t _gcry_pubkey_spec_elg_e; extern gcry_pk_spec_t _gcry_pubkey_spec_dsa; extern gcry_pk_spec_t _gcry_pubkey_spec_ecc; #endif /*G10_CIPHER_H*/