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edit | delete | rename | download ] [FILE] wchar.h [ edit | delete | rename | download ] [FILE] wctype.h [ edit | delete | rename | download ] [FILE] wordexp.h [ edit | delete | rename | download ] [FILE] xlocale.h [ edit | delete | rename | download ] [FILE] zconf.h [ edit | delete | rename | download ] [FILE] zlib.h [ edit | delete | rename | download ] Viewing: /usr/include/gcrypt-module.h /* gcrypt-module.h - GNU Cryptographic Library Interface Copyright (C) 2003, 2007 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, see <http://www.gnu.org/licenses/>. */ /* This file contains the necessary declarations/definitions for working with Libgcrypt modules. */ #ifndef _GCRYPT_MODULE_H #define _GCRYPT_MODULE_H #ifdef __cplusplus extern "C" { #if 0 /* keep Emacsens's auto-indent happy */ } #endif #endif /* The interfaces using the module system reserve a certain range of IDs for application use. These IDs are not valid within Libgcrypt but Libgcrypt makes sure never to allocate such a module ID. */ #define GCRY_MODULE_ID_USER 1024 #define GCRY_MODULE_ID_USER_LAST 4095 /* This type represents a `module'. */ typedef struct gcry_module *gcry_module_t; /* Check that the library fulfills the version requirement. */ /* Type for the cipher_setkey function. */ typedef gcry_err_code_t (*gcry_cipher_setkey_t) (void *c, const unsigned char *key, unsigned keylen); /* Type for the cipher_encrypt function. */ typedef void (*gcry_cipher_encrypt_t) (void *c, unsigned char *outbuf, const unsigned char *inbuf); /* Type for the cipher_decrypt function. */ typedef void (*gcry_cipher_decrypt_t) (void *c, unsigned char *outbuf, const unsigned char *inbuf); /* Type for the cipher_stencrypt function. */ typedef void (*gcry_cipher_stencrypt_t) (void *c, unsigned char *outbuf, const unsigned char *inbuf, unsigned int n); /* Type for the cipher_stdecrypt function. */ typedef void (*gcry_cipher_stdecrypt_t) (void *c, unsigned char *outbuf, const unsigned char *inbuf, unsigned int n); typedef struct gcry_cipher_oid_spec { const char *oid; int mode; } gcry_cipher_oid_spec_t; /* Module specification structure for ciphers. */ typedef struct gcry_cipher_spec { const char *name; const char **aliases; gcry_cipher_oid_spec_t *oids; size_t blocksize; size_t keylen; size_t contextsize; gcry_cipher_setkey_t setkey; gcry_cipher_encrypt_t encrypt; gcry_cipher_decrypt_t decrypt; gcry_cipher_stencrypt_t stencrypt; gcry_cipher_stdecrypt_t stdecrypt; } gcry_cipher_spec_t; /* Register a new cipher module whose specification can be found in CIPHER. On success, a new algorithm ID is stored in ALGORITHM_ID and a pointer representing this module is stored in MODULE. */ gcry_error_t gcry_cipher_register (gcry_cipher_spec_t *cipher, int *algorithm_id, gcry_module_t *module) /* */ _GCRY_ATTR_INTERNAL; /* Unregister the cipher identified by MODULE, which must have been registered with gcry_cipher_register. */ void gcry_cipher_unregister (gcry_module_t module) /* */ _GCRY_ATTR_INTERNAL; /* ********************** */ /* Type for the pk_generate function. */ typedef gcry_err_code_t (*gcry_pk_generate_t) (int algo, unsigned int nbits, unsigned long use_e, gcry_mpi_t *skey, gcry_mpi_t **retfactors); /* Type for the pk_check_secret_key function. */ typedef gcry_err_code_t (*gcry_pk_check_secret_key_t) (int algo, gcry_mpi_t *skey); /* Type for the pk_encrypt function. */ typedef gcry_err_code_t (*gcry_pk_encrypt_t) (int algo, gcry_mpi_t *resarr, gcry_mpi_t data, gcry_mpi_t *pkey, int flags); /* Type for the pk_decrypt function. */ typedef gcry_err_code_t (*gcry_pk_decrypt_t) (int algo, gcry_mpi_t *result, gcry_mpi_t *data, gcry_mpi_t *skey, int flags); /* Type for the pk_sign function. */ typedef gcry_err_code_t (*gcry_pk_sign_t) (int algo, gcry_mpi_t *resarr, gcry_mpi_t data, gcry_mpi_t *skey); /* Type for the pk_verify function. */ typedef gcry_err_code_t (*gcry_pk_verify_t) (int algo, gcry_mpi_t hash, gcry_mpi_t *data, gcry_mpi_t *pkey, int (*cmp) (void *, gcry_mpi_t), void *opaquev); /* Type for the pk_get_nbits function. */ typedef unsigned (*gcry_pk_get_nbits_t) (int algo, gcry_mpi_t *pkey); /* Module specification structure for message digests. */ typedef struct gcry_pk_spec { const char *name; const char **aliases; const char *elements_pkey; const char *elements_skey; const char *elements_enc; const char *elements_sig; const char *elements_grip; int use; gcry_pk_generate_t generate; gcry_pk_check_secret_key_t check_secret_key; gcry_pk_encrypt_t encrypt; gcry_pk_decrypt_t decrypt; gcry_pk_sign_t sign; gcry_pk_verify_t verify; gcry_pk_get_nbits_t get_nbits; } gcry_pk_spec_t; /* Register a new pubkey module whose specification can be found in PUBKEY. On success, a new algorithm ID is stored in ALGORITHM_ID and a pointer representhing this module is stored in MODULE. */ gcry_error_t gcry_pk_register (gcry_pk_spec_t *pubkey, unsigned int *algorithm_id, gcry_module_t *module) /* */ _GCRY_ATTR_INTERNAL; /* Unregister the pubkey identified by ID, which must have been registered with gcry_pk_register. */ void gcry_pk_unregister (gcry_module_t module) /* */ _GCRY_ATTR_INTERNAL; /* ********************** */ /* Type for the md_init function. */ typedef void (*gcry_md_init_t) (void *c); /* Type for the md_write function. */ typedef void (*gcry_md_write_t) (void *c, const void *buf, size_t nbytes); /* Type for the md_final function. */ typedef void (*gcry_md_final_t) (void *c); /* Type for the md_read function. */ typedef unsigned char *(*gcry_md_read_t) (void *c); typedef struct gcry_md_oid_spec { const char *oidstring; } gcry_md_oid_spec_t; /* Module specification structure for message digests. */ typedef struct gcry_md_spec { const char *name; unsigned char *asnoid; int asnlen; gcry_md_oid_spec_t *oids; int mdlen; gcry_md_init_t init; gcry_md_write_t write; gcry_md_final_t final; gcry_md_read_t read; size_t contextsize; /* allocate this amount of context */ } gcry_md_spec_t; /* Register a new digest module whose specification can be found in DIGEST. On success, a new algorithm ID is stored in ALGORITHM_ID and a pointer representhing this module is stored in MODULE. */ gcry_error_t gcry_md_register (gcry_md_spec_t *digest, unsigned int *algorithm_id, gcry_module_t *module) /* */ _GCRY_ATTR_INTERNAL; /* Unregister the digest identified by ID, which must have been registered with gcry_digest_register. */ void gcry_md_unregister (gcry_module_t module) /* */ _GCRY_ATTR_INTERNAL; #if 0 /* keep Emacsens's auto-indent happy */ { #endif #ifdef __cplusplus } #endif #endif