diff options
Diffstat (limited to 'libs/libsodium/src/crypto_pwhash/scryptsalsa208sha256/crypto_scrypt.h')
| -rw-r--r-- | libs/libsodium/src/crypto_pwhash/scryptsalsa208sha256/crypto_scrypt.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/libs/libsodium/src/crypto_pwhash/scryptsalsa208sha256/crypto_scrypt.h b/libs/libsodium/src/crypto_pwhash/scryptsalsa208sha256/crypto_scrypt.h new file mode 100644 index 0000000000..83101967c3 --- /dev/null +++ b/libs/libsodium/src/crypto_pwhash/scryptsalsa208sha256/crypto_scrypt.h @@ -0,0 +1,98 @@ +/*- + * Copyright 2009 Colin Percival + * Copyright 2013 Alexander Peslyak + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * This file was originally written by Colin Percival as part of the Tarsnap + * online backup system. + */ +#ifndef crypto_scrypt_H +#define crypto_scrypt_H + +#include <limits.h> +#include <stddef.h> +#include <stdint.h> + +#if SIZE_MAX > 0xffffffffULL +#define ARCH_BITS 64 +#else +#define ARCH_BITS 32 +#endif + +#define crypto_pwhash_scryptsalsa208sha256_STRPREFIXBYTES 14 +#define crypto_pwhash_scryptsalsa208sha256_STRSETTINGBYTES 57 +#define crypto_pwhash_scryptsalsa208sha256_STRSALTBYTES 32 +#define crypto_pwhash_scryptsalsa208sha256_STRSALTBYTES_ENCODED 43 +#define crypto_pwhash_scryptsalsa208sha256_STRHASHBYTES 32 +#define crypto_pwhash_scryptsalsa208sha256_STRHASHBYTES_ENCODED 43 + +#define BYTES2CHARS(bytes) ((((bytes) *8) + 5) / 6) + +typedef struct { + void * base, *aligned; + size_t size; +} escrypt_region_t; + +typedef union { + uint64_t d[8]; + uint32_t w[16]; +} escrypt_block_t; + +typedef escrypt_region_t escrypt_local_t; + +extern int escrypt_init_local(escrypt_local_t *__local); + +extern int escrypt_free_local(escrypt_local_t *__local); + +extern void *alloc_region(escrypt_region_t *region, size_t size); +extern int free_region(escrypt_region_t *region); + +typedef int (*escrypt_kdf_t)(escrypt_local_t *__local, const uint8_t *__passwd, + size_t __passwdlen, const uint8_t *__salt, + size_t __saltlen, uint64_t __N, uint32_t __r, + uint32_t __p, uint8_t *__buf, size_t __buflen); + +extern int escrypt_kdf_nosse(escrypt_local_t *__local, const uint8_t *__passwd, + size_t __passwdlen, const uint8_t *__salt, + size_t __saltlen, uint64_t __N, uint32_t __r, + uint32_t __p, uint8_t *__buf, size_t __buflen); + +extern int escrypt_kdf_sse(escrypt_local_t *__local, const uint8_t *__passwd, + size_t __passwdlen, const uint8_t *__salt, + size_t __saltlen, uint64_t __N, uint32_t __r, + uint32_t __p, uint8_t *__buf, size_t __buflen); + +extern uint8_t *escrypt_r(escrypt_local_t *__local, const uint8_t *__passwd, + size_t __passwdlen, const uint8_t *__setting, + uint8_t *__buf, size_t __buflen); + +extern uint8_t *escrypt_gensalt_r(uint32_t __N_log2, uint32_t __r, uint32_t __p, + const uint8_t *__src, size_t __srclen, + uint8_t *__buf, size_t __buflen); + +extern const uint8_t *escrypt_parse_setting(const uint8_t *setting, + uint32_t *N_log2_p, uint32_t *r_p, + uint32_t *p_p); + +#endif /* !_CRYPTO_SCRYPT_H_ */ |