/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006
* 2007, 2008, 2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see .
*/
/* Contains elements based on gcrypt-module.h and gcrypt.h.in.
If it's changed please update this file. */
#ifndef GRUB_CIPHER_HEADER
#define GRUB_CIPHER_HEADER 1
#include
#include
typedef enum
{
GPG_ERR_NO_ERROR,
GPG_ERR_BAD_MPI,
GPG_ERR_BAD_SECKEY,
GPG_ERR_BAD_SIGNATURE,
GPG_ERR_CIPHER_ALGO,
GPG_ERR_CONFLICT,
GPG_ERR_DECRYPT_FAILED,
GPG_ERR_DIGEST_ALGO,
GPG_ERR_GENERAL,
GPG_ERR_INTERNAL,
GPG_ERR_INV_ARG,
GPG_ERR_INV_CIPHER_MODE,
GPG_ERR_INV_FLAG,
GPG_ERR_INV_KEYLEN,
GPG_ERR_INV_OBJ,
GPG_ERR_INV_OP,
GPG_ERR_INV_SEXP,
GPG_ERR_INV_VALUE,
GPG_ERR_MISSING_VALUE,
GPG_ERR_NO_ENCRYPTION_SCHEME,
GPG_ERR_NO_OBJ,
GPG_ERR_NO_PRIME,
GPG_ERR_NO_SIGNATURE_SCHEME,
GPG_ERR_NOT_FOUND,
GPG_ERR_NOT_IMPLEMENTED,
GPG_ERR_NOT_SUPPORTED,
GPG_ERROR_CFLAGS,
GPG_ERR_PUBKEY_ALGO,
GPG_ERR_SELFTEST_FAILED,
GPG_ERR_TOO_SHORT,
GPG_ERR_UNSUPPORTED,
GPG_ERR_WEAK_KEY,
GPG_ERR_WRONG_KEY_USAGE,
GPG_ERR_WRONG_PUBKEY_ALGO,
} gcry_err_code_t;
#define gpg_err_code_t gcry_err_code_t
enum gcry_cipher_modes
{
GCRY_CIPHER_MODE_NONE = 0, /* Not yet specified. */
GCRY_CIPHER_MODE_ECB = 1, /* Electronic codebook. */
GCRY_CIPHER_MODE_CFB = 2, /* Cipher feedback. */
GCRY_CIPHER_MODE_CBC = 3, /* Cipher block chaining. */
GCRY_CIPHER_MODE_STREAM = 4, /* Used with stream ciphers. */
GCRY_CIPHER_MODE_OFB = 5, /* Outer feedback. */
GCRY_CIPHER_MODE_CTR = 6 /* Counter. */
};
/* 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;
grub_size_t blocksize;
grub_size_t keylen;
grub_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;
struct gcry_cipher_spec *next;
} gcry_cipher_spec_t;
/* Definition of a function used to report selftest failures.
DOMAIN is a string describing the function block:
"cipher", "digest", "pubkey or "random",
ALGO is the algorithm under test,
WHAT is a string describing what has been tested,
DESC is a string describing the error. */
typedef void (*selftest_report_func_t)(const char *domain,
int algo,
const char *what,
const char *errdesc);
/* Definition of the selftest functions. */
typedef gpg_err_code_t (*selftest_func_t)
(int algo, int extended, selftest_report_func_t report);
/* The type used to convey additional information to a cipher. */
typedef gpg_err_code_t (*cipher_set_extra_info_t)
(void *c, int what, const void *buffer, grub_size_t buflen);
/* Extra module specification structures. These are used for internal
modules which provide more functions than available through the
public algorithm register APIs. */
typedef struct cipher_extra_spec
{
selftest_func_t selftest;
cipher_set_extra_info_t set_extra_info;
} cipher_extra_spec_t;
/* 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, grub_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;
grub_size_t contextsize; /* allocate this amount of context */
struct gcry_md_spec *next;
} gcry_md_spec_t;
extern gcry_cipher_spec_t *EXPORT_VAR (grub_ciphers);
extern gcry_md_spec_t *EXPORT_VAR (grub_digests);
static inline void
grub_cipher_register (gcry_cipher_spec_t *cipher)
{
cipher->next = grub_ciphers;
grub_ciphers = cipher;
}
static inline void
grub_cipher_unregister (gcry_cipher_spec_t *cipher)
{
gcry_cipher_spec_t **ciph;
for (ciph = &grub_ciphers; *ciph; ciph = &((*ciph)->next))
if (*ciph == cipher)
*ciph = (*ciph)->next;
}
static inline void
grub_md_register (gcry_md_spec_t *digest)
{
digest->next = grub_digests;
grub_digests = digest;
}
static inline void
grub_md_unregister (gcry_md_spec_t *cipher)
{
gcry_md_spec_t **ciph;
for (ciph = &grub_digests; *ciph; ciph = &((*ciph)->next))
if (*ciph == cipher)
*ciph = (*ciph)->next;
}
void EXPORT_FUNC(grub_burn_stack) (grub_size_t size);
#endif