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https://github.com/veracrypt/VeraCrypt.git
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103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
/*
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BLAKE2 reference source code package - reference C implementations
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Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
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terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
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your option. The terms of these licenses can be found at:
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- CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
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- OpenSSL license : https://www.openssl.org/source/license.html
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- Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
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More information about the BLAKE2 hash function can be found at
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https://blake2.net.
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*/
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/* Adapted for VeraCrypt */
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#ifndef BLAKE2_H
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#define BLAKE2_H
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#include "Common/Tcdefs.h"
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#if defined(_MSC_VER)
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#ifdef TC_WINDOWS_BOOT
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#define BLAKE2_PACKED(x) x
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#else
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#define BLAKE2_PACKED(x) __pragma(pack(push, 1)) x __pragma(pack(pop))
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#endif
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#else
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#define BLAKE2_PACKED(x) x __attribute__((packed))
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#endif
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#if defined(__cplusplus)
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extern "C" {
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#endif
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enum blake2s_constant
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{
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BLAKE2S_BLOCKBYTES = 64,
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BLAKE2S_OUTBYTES = 32,
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BLAKE2S_KEYBYTES = 32,
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BLAKE2S_SALTBYTES = 8,
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BLAKE2S_PERSONALBYTES = 8
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};
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typedef struct blake2s_state__
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{
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uint32 h[8];
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uint32 t[2];
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uint32 f[2];
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uint8 buf[BLAKE2S_BLOCKBYTES];
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size_t buflen;
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size_t outlen;
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uint8 last_node;
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} blake2s_state;
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#ifdef TC_WINDOWS_BOOT
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#pragma pack(1)
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#endif
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BLAKE2_PACKED(struct blake2s_param__
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{
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uint8 digest_length; /* 1 */
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uint8 key_length; /* 2 */
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uint8 fanout; /* 3 */
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uint8 depth; /* 4 */
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uint32 leaf_length; /* 8 */
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uint32 node_offset; /* 12 */
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uint16 xof_length; /* 14 */
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uint8 node_depth; /* 15 */
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uint8 inner_length; /* 16 */
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/* uint8 reserved[0]; */
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uint8 salt[BLAKE2S_SALTBYTES]; /* 24 */
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uint8 personal[BLAKE2S_PERSONALBYTES]; /* 32 */
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});
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#ifdef TC_WINDOWS_BOOT
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#pragma pack()
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#endif
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typedef struct blake2s_param__ blake2s_param;
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/* Padded structs result in a compile-time error */
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enum {
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BLAKE2_DUMMY_1 = 1/(int)(sizeof(blake2s_param) == BLAKE2S_OUTBYTES)
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};
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/* Streaming API */
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void blake2s_init( blake2s_state *S );
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void blake2s_init_param( blake2s_state *S, const blake2s_param *P );
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void blake2s_update( blake2s_state *S, const void *in, size_t inlen );
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int blake2s_final( blake2s_state *S, unsigned char *out );
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/* Simple API */
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int blake2s( void *out, const void *in, size_t inlen );
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#if defined(__cplusplus)
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}
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#endif
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#endif
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