diff options
author | 2017-04-25 03:31:15 -0700 | |
---|---|---|
committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/include/crypto/pbkdf.h | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/include/crypto/pbkdf.h')
-rw-r--r-- | qemu/include/crypto/pbkdf.h | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/qemu/include/crypto/pbkdf.h b/qemu/include/crypto/pbkdf.h deleted file mode 100644 index 58a1fe62a..000000000 --- a/qemu/include/crypto/pbkdf.h +++ /dev/null @@ -1,152 +0,0 @@ -/* - * QEMU Crypto PBKDF support (Password-Based Key Derivation Function) - * - * Copyright (c) 2015-2016 Red Hat, Inc. - * - * 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, see <http://www.gnu.org/licenses/>. - * - */ - -#ifndef QCRYPTO_PBKDF_H__ -#define QCRYPTO_PBKDF_H__ - -#include "crypto/hash.h" - -/** - * This module provides an interface to the PBKDF2 algorithm - * - * https://en.wikipedia.org/wiki/PBKDF2 - * - * <example> - * <title>Generating an AES encryption key from a user password</title> - * <programlisting> - * #include "crypto/cipher.h" - * #include "crypto/random.h" - * #include "crypto/pbkdf.h" - * - * .... - * - * char *password = "a-typical-awful-user-password"; - * size_t nkey = qcrypto_cipher_get_key_len(QCRYPTO_CIPHER_ALG_AES_128); - * uint8_t *salt = g_new0(uint8_t, nkey); - * uint8_t *key = g_new0(uint8_t, nkey); - * int iterations; - * QCryptoCipher *cipher; - * - * if (qcrypto_random_bytes(salt, nkey, errp) < 0) { - * g_free(key); - * g_free(salt); - * return -1; - * } - * - * iterations = qcrypto_pbkdf2_count_iters(QCRYPTO_HASH_ALG_SHA256, - * (const uint8_t *)password, - * strlen(password), - * salt, nkey, errp); - * if (iterations < 0) { - * g_free(key); - * g_free(salt); - * return -1; - * } - * - * if (qcrypto_pbkdf2(QCRYPTO_HASH_ALG_SHA256, - * (const uint8_t *)password, strlen(password), - * salt, nkey, iterations, key, nkey, errp) < 0) { - * g_free(key); - * g_free(salt); - * return -1; - * } - * - * g_free(salt); - * - * cipher = qcrypto_cipher_new(QCRYPTO_CIPHER_ALG_AES_128, - * QCRYPTO_CIPHER_MODE_ECB, - * key, nkey, errp); - * g_free(key); - * - * ....encrypt some data... - * - * qcrypto_cipher_free(cipher); - * </programlisting> - * </example> - * - */ - -/** - * qcrypto_pbkdf2_supports: - * @hash: the hash algorithm - * - * Determine if the current build supports the PBKDF2 algorithm - * in combination with the hash @hash. - * - * Returns true if supported, false otherwise - */ -bool qcrypto_pbkdf2_supports(QCryptoHashAlgorithm hash); - - -/** - * qcrypto_pbkdf2: - * @hash: the hash algorithm to use - * @key: the user password / key - * @nkey: the length of @key in bytes - * @salt: a random salt - * @nsalt: length of @salt in bytes - * @iterations: the number of iterations to compute - * @out: pointer to pre-allocated buffer to hold output - * @nout: length of @out in bytes - * @errp: pointer to a NULL-initialized error object - * - * Apply the PBKDF2 algorithm to derive an encryption - * key from a user password provided in @key. The - * @salt parameter is used to perturb the algorithm. - * The @iterations count determines how many times - * the hashing process is run, which influences how - * hard it is to crack the key. The number of @iterations - * should be large enough such that the algorithm takes - * 1 second or longer to derive a key. The derived key - * will be stored in the preallocated buffer @out. - * - * Returns: 0 on success, -1 on error - */ -int qcrypto_pbkdf2(QCryptoHashAlgorithm hash, - const uint8_t *key, size_t nkey, - const uint8_t *salt, size_t nsalt, - unsigned int iterations, - uint8_t *out, size_t nout, - Error **errp); - -/** - * qcrypto_pbkdf2_count_iters: - * @hash: the hash algorithm to use - * @key: the user password / key - * @nkey: the length of @key in bytes - * @salt: a random salt - * @nsalt: length of @salt in bytes - * @errp: pointer to a NULL-initialized error object - * - * Time the PBKDF2 algorithm to determine how many - * iterations are required to derive an encryption - * key from a user password provided in @key in 1 - * second of compute time. The result of this can - * be used as a the @iterations parameter of a later - * call to qcrypto_pbkdf2(). - * - * Returns: number of iterations in 1 second, -1 on error - */ -int qcrypto_pbkdf2_count_iters(QCryptoHashAlgorithm hash, - const uint8_t *key, size_t nkey, - const uint8_t *salt, size_t nsalt, - Error **errp); - -#endif /* QCRYPTO_PBKDF_H__ */ |