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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/*
* Dan Williams <dcbw@redhat.com>
*
* This library 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 of the License, or (at your option) any later version.
*
* This library 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 library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
* Copyright 2007 - 2014 Red Hat, Inc.
*/
#ifndef __CRYPTO_H__
#define __CRYPTO_H__
#define MD5_HASH_LEN 20
#define CIPHER_DES_EDE3_CBC "DES-EDE3-CBC"
#define CIPHER_DES_CBC "DES-CBC"
#define CIPHER_AES_CBC "AES-128-CBC"
enum {
NM_CRYPTO_ERR_NONE = 0,
NM_CRYPTO_ERR_INIT_FAILED,
NM_CRYPTO_ERR_CANT_READ_FILE,
NM_CRYPTO_ERR_FILE_FORMAT_INVALID,
NM_CRYPTO_ERR_CERT_FORMAT_INVALID,
NM_CRYPTO_ERR_DECODE_FAILED,
NM_CRYPTO_ERR_OUT_OF_MEMORY,
NM_CRYPTO_ERR_UNKNOWN_KEY_TYPE,
NM_CRYPTO_ERR_UNKNOWN_CIPHER,
NM_CRYPTO_ERR_RAW_IV_INVALID,
NM_CRYPTO_ERR_MD5_INIT_FAILED,
NM_CRYPTO_ERR_CIPHER_INIT_FAILED,
NM_CRYPTO_ERR_CIPHER_SET_KEY_FAILED,
NM_CRYPTO_ERR_CIPHER_SET_IV_FAILED,
NM_CRYPTO_ERR_CIPHER_DECRYPT_FAILED,
NM_CRYPTO_ERR_INVALID_PASSWORD,
NM_CRYPTO_ERR_CIPHER_ENCRYPT_FAILED,
NM_CRYPTO_ERR_RANDOMIZE_FAILED
};
typedef enum {
NM_CRYPTO_KEY_TYPE_UNKNOWN = 0,
NM_CRYPTO_KEY_TYPE_RSA,
NM_CRYPTO_KEY_TYPE_DSA
} NMCryptoKeyType;
typedef enum {
NM_CRYPTO_FILE_FORMAT_UNKNOWN = 0,
NM_CRYPTO_FILE_FORMAT_X509,
NM_CRYPTO_FILE_FORMAT_RAW_KEY,
NM_CRYPTO_FILE_FORMAT_PKCS12
} NMCryptoFileFormat;
#define NM_CRYPTO_ERROR _nm_crypto_error_quark ()
GQuark _nm_crypto_error_quark (void);
gboolean crypto_init (GError **error);
GByteArray *crypto_decrypt_private_key_data (const GByteArray *contents,
const char *password,
NMCryptoKeyType *out_key_type,
GError **error);
GByteArray *crypto_decrypt_private_key (const char *file,
const char *password,
NMCryptoKeyType *out_key_type,
GError **error);
GByteArray *crypto_load_and_verify_certificate (const char *file,
NMCryptoFileFormat *out_file_format,
GError **error);
gboolean crypto_is_pkcs12_file (const char *file, GError **error);
gboolean crypto_is_pkcs12_data (const GByteArray *data);
NMCryptoFileFormat crypto_verify_private_key_data (const GByteArray *contents,
const char *password,
GError **error);
NMCryptoFileFormat crypto_verify_private_key (const char *file,
const char *password,
GError **error);
/* Internal utils API bits for crypto providers */
gboolean crypto_md5_hash (const char *salt,
const gsize salt_len,
const char *password,
gsize password_len,
char *buffer,
gsize buflen,
GError **error);
char * crypto_decrypt (const char *cipher,
int key_type,
GByteArray *data,
const char *iv,
const gsize iv_len,
const char *key,
const gsize key_len,
gsize *out_len,
GError **error);
char * crypto_encrypt (const char *cipher,
const GByteArray *data,
const char *iv,
gsize iv_len,
const char *key,
gsize key_len,
gsize *out_len,
GError **error);
gboolean crypto_randomize (void *buffer, gsize buffer_len, GError **error);
NMCryptoFileFormat crypto_verify_cert (const unsigned char *data,
gsize len,
GError **error);
gboolean crypto_verify_pkcs12 (const GByteArray *data,
const char *password,
GError **error);
gboolean crypto_verify_pkcs8 (const GByteArray *data,
gboolean is_encrypted,
const char *password,
GError **error);
#endif /* __CRYPTO_H__ */
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