diff options
Diffstat (limited to 'include/crypto_api.h')
-rw-r--r-- | include/crypto_api.h | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/include/crypto_api.h b/include/crypto_api.h deleted file mode 100644 index 8a8ccacf99..0000000000 --- a/include/crypto_api.h +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Copyright 2017 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#ifndef __INCLUDE_CRYPTO_API_H -#define __INCLUDE_CRYPTO_API_H - -#include "util.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** - * Calculate hash of an arbitrary data - * - * Up to SHA_DIGEST_SIZE byte hash can be generated, if hash_len is - * longer - it is padded with zeros. - * - * @param p_buf: pointer to beginning of data - * @param num_bytes: length of data in bytes - * @param p_hash: pointer to where computed hash will be stored - * @param hash_len: length in bytes to use from sha computation. If this - * value exceeds SHA1 size (20 bytes), the rest of the - * hash is filled up with zeros. - */ -void app_compute_hash(uint8_t *p_buf, size_t num_bytes, - uint8_t *p_hash, size_t hash_len); - -#define CIPHER_SALT_SIZE 16 - -/* - * Encrypt/decrypt a flat blob. - * - * Encrypt or decrypt the input buffer, and write the correspondingly - * ciphered output to out. The number of bytes produced is equal to - * the number of input bytes. - * - * This API is expected to be applied to a single contiguous region. WARNING: - * Presently calling this function more than once with "in" pointing to - * logically different buffers will result in using the same IV value - * internally and as such reduce encryption efficiency. - * - * @param salt pointer to a unique value to be associated with this blob, - * used for derivation of the proper IV, the size of this value - * is as defined by CIPHER_SALT_SIZE above. - * WARNING: a given salt/"in" pair must be unique (it is an ERROR - * to use a given salt with more than one unique buffer). For an - * example, a good salt would be a digest of the plaintext input. - * @param out Destination pointer where to write plaintext / ciphertext. - * @param in Source pointer where to read ciphertext / plaintext. - * @param len Number of bytes to read from in / write to out. - * @return non-zero on success, and zero otherwise. - */ -int app_cipher(const void *salt, void *out, const void *in, size_t size); - -/* - * Return a Boolean showing if crypto hardware is enabled. - */ -int crypto_enabled(void); - -#ifdef __cplusplus -} -#endif - -#endif /* __INCLUDE_CRYPTO_API_H */ |