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-rw-r--r--src/blake2/b2sum.c389
-rw-r--r--src/blake2/b2sum.h19
-rw-r--r--src/blake2/blake2-impl.h160
-rw-r--r--src/blake2/blake2.h195
-rw-r--r--src/blake2/blake2b-ref.c379
5 files changed, 1142 insertions, 0 deletions
diff --git a/src/blake2/b2sum.c b/src/blake2/b2sum.c
new file mode 100644
index 0000000..5df2046
--- /dev/null
+++ b/src/blake2/b2sum.c
@@ -0,0 +1,389 @@
+/*
+ BLAKE2 reference source code package - b2sum tool
+
+ Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
+ terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
+ your option. The terms of these licenses can be found at:
+
+ - CC0 1.0 Universal : https://creativecommons.org/publicdomain/zero/1.0
+ - OpenSSL license : https://www.openssl.org/source/license.html
+ - Apache 2.0 : https://www.apache.org/licenses/LICENSE-2.0
+
+ More information about the BLAKE2 hash function can be found at
+ https://blake2.net.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <errno.h>
+
+#include <ctype.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <stdbool.h>
+
+#include "blake2.h"
+
+/* This will help compatibility with coreutils */
+int blake2b_stream( FILE *stream, void *resstream, size_t outbytes )
+{
+ int ret = -1;
+ size_t sum, n;
+ blake2b_state S[1];
+ static const size_t buffer_length = 32768;
+ uint8_t *buffer = ( uint8_t * )malloc( buffer_length );
+
+ if( !buffer ) return -1;
+
+ blake2b_init( S, outbytes );
+
+ while( 1 )
+ {
+ sum = 0;
+
+ while( 1 )
+ {
+ n = fread( buffer + sum, 1, buffer_length - sum, stream );
+ sum += n;
+
+ if( buffer_length == sum )
+ break;
+
+ if( 0 == n )
+ {
+ if( ferror( stream ) )
+ goto cleanup_buffer;
+
+ goto final_process;
+ }
+
+ if( feof( stream ) )
+ goto final_process;
+ }
+
+ blake2b_update( S, buffer, buffer_length );
+ }
+
+final_process:;
+
+ if( sum > 0 ) blake2b_update( S, buffer, sum );
+
+ blake2b_final( S, resstream, outbytes );
+ ret = 0;
+cleanup_buffer:
+ free( buffer );
+ return ret;
+}
+
+#if 0
+int blake2s_stream( FILE *stream, void *resstream, size_t outbytes )
+{
+ int ret = -1;
+ size_t sum, n;
+ blake2s_state S[1];
+ static const size_t buffer_length = 32768;
+ uint8_t *buffer = ( uint8_t * )malloc( buffer_length );
+
+ if( !buffer ) return -1;
+
+ blake2s_init( S, outbytes );
+
+ while( 1 )
+ {
+ sum = 0;
+
+ while( 1 )
+ {
+ n = fread( buffer + sum, 1, buffer_length - sum, stream );
+ sum += n;
+
+ if( buffer_length == sum )
+ break;
+
+ if( 0 == n )
+ {
+ if( ferror( stream ) )
+ goto cleanup_buffer;
+
+ goto final_process;
+ }
+
+ if( feof( stream ) )
+ goto final_process;
+ }
+
+ blake2s_update( S, buffer, buffer_length );
+ }
+
+final_process:;
+
+ if( sum > 0 ) blake2s_update( S, buffer, sum );
+
+ blake2s_final( S, resstream, outbytes );
+ ret = 0;
+cleanup_buffer:
+ free( buffer );
+ return ret;
+}
+
+
+int blake2sp_stream( FILE *stream, void *resstream, size_t outbytes )
+{
+ int ret = -1;
+ size_t sum, n;
+ blake2sp_state S[1];
+ static const size_t buffer_length = 16 * ( 1UL << 20 );
+ uint8_t *buffer = ( uint8_t * )malloc( buffer_length );
+
+ if( !buffer ) return -1;
+
+ blake2sp_init( S, outbytes );
+
+ while( 1 )
+ {
+ sum = 0;
+
+ while( 1 )
+ {
+ n = fread( buffer + sum, 1, buffer_length - sum, stream );
+ sum += n;
+
+ if( buffer_length == sum )
+ break;
+
+ if( 0 == n )
+ {
+ if( ferror( stream ) )
+ goto cleanup_buffer;
+
+ goto final_process;
+ }
+
+ if( feof( stream ) )
+ goto final_process;
+ }
+
+ blake2sp_update( S, buffer, buffer_length );
+ }
+
+final_process:;
+
+ if( sum > 0 ) blake2sp_update( S, buffer, sum );
+
+ blake2sp_final( S, resstream, outbytes );
+ ret = 0;
+cleanup_buffer:
+ free( buffer );
+ return ret;
+}
+
+
+int blake2bp_stream( FILE *stream, void *resstream, size_t outbytes )
+{
+ int ret = -1;
+ size_t sum, n;
+ blake2bp_state S[1];
+ static const size_t buffer_length = 16 * ( 1UL << 20 );
+ uint8_t *buffer = ( uint8_t * )malloc( buffer_length );
+
+ if( !buffer ) return -1;
+
+ blake2bp_init( S, outbytes );
+
+ while( 1 )
+ {
+ sum = 0;
+
+ while( 1 )
+ {
+ n = fread( buffer + sum, 1, buffer_length - sum, stream );
+ sum += n;
+
+ if( buffer_length == sum )
+ break;
+
+ if( 0 == n )
+ {
+ if( ferror( stream ) )
+ goto cleanup_buffer;
+
+ goto final_process;
+ }
+
+ if( feof( stream ) )
+ goto final_process;
+ }
+
+ blake2bp_update( S, buffer, buffer_length );
+ }
+
+final_process:;
+
+ if( sum > 0 ) blake2bp_update( S, buffer, sum );
+
+ blake2bp_final( S, resstream, outbytes );
+ ret = 0;
+cleanup_buffer:
+ free( buffer );
+ return ret;
+}
+
+typedef int ( *blake2fn )( FILE *, void *, size_t );
+
+
+static void usage( char **argv, int errcode )
+{
+ FILE *out = errcode ? stderr : stdout;
+ fprintf( out, "Usage: %s [OPTION]... [FILE]...\n", argv[0] );
+ fprintf( out, "\n" );
+ fprintf( out, "With no FILE, or when FILE is -, read standard input.\n" );
+ fprintf( out, "\n" );
+ fprintf( out, " -a <algo> hash algorithm (blake2b is default): \n"
+ " [blake2b|blake2s|blake2bp|blake2sp]\n" );
+ fprintf( out, " -l <length> digest length in bits, must not exceed the maximum for\n"
+ " the selected algorithm and must be a multiple of 8\n" );
+ fprintf( out, " --tag create a BSD-style checksum\n" );
+ fprintf( out, " --help display this help and exit\n" );
+ exit( errcode );
+}
+
+int main( int argc, char **argv )
+{
+ blake2fn blake2_stream = blake2b_stream;
+ unsigned long maxbytes = BLAKE2B_OUTBYTES;
+ const char *algorithm = "BLAKE2b";
+ unsigned long outbytes = 0;
+ unsigned char hash[BLAKE2B_OUTBYTES] = {0};
+ bool bsdstyle = false;
+ int c, i;
+ opterr = 1;
+
+ while( 1 )
+ {
+ int option_index = 0;
+ char *end = NULL;
+ unsigned long outbits;
+ static struct option long_options[] = {
+ { "help", no_argument, 0, 0 },
+ { "tag", no_argument, 0, 0 },
+ { NULL, 0, NULL, 0 }
+ };
+
+ c = getopt_long( argc, argv, "a:l:", long_options, &option_index );
+ if( c == -1 ) break;
+ switch( c )
+ {
+ case 'a':
+ if( 0 == strcmp( optarg, "blake2b" ) )
+ {
+ blake2_stream = blake2b_stream;
+ maxbytes = BLAKE2B_OUTBYTES;
+ algorithm = "BLAKE2b";
+ }
+ else if ( 0 == strcmp( optarg, "blake2s" ) )
+ {
+ blake2_stream = blake2s_stream;
+ maxbytes = BLAKE2S_OUTBYTES;
+ algorithm = "BLAKE2s";
+ }
+ else if ( 0 == strcmp( optarg, "blake2bp" ) )
+ {
+ blake2_stream = blake2bp_stream;
+ maxbytes = BLAKE2B_OUTBYTES;
+ algorithm = "BLAKE2bp";
+ }
+ else if ( 0 == strcmp( optarg, "blake2sp" ) )
+ {
+ blake2_stream = blake2sp_stream;
+ maxbytes = BLAKE2S_OUTBYTES;
+ algorithm = "BLAKE2sp";
+ }
+ else
+ {
+ printf( "Invalid function name: `%s'\n", optarg );
+ usage( argv, 111 );
+ }
+
+ break;
+
+ case 'l':
+ outbits = strtoul(optarg, &end, 10);
+ if( !end || *end != '\0' || outbits % 8 != 0)
+ {
+ printf( "Invalid length argument: `%s'\n", optarg);
+ usage( argv, 111 );
+ }
+ outbytes = outbits / 8;
+ break;
+
+ case 0:
+ if( 0 == strcmp( "help", long_options[option_index].name ) )
+ usage( argv, 0 );
+ else if( 0 == strcmp( "tag", long_options[option_index].name ) )
+ bsdstyle = true;
+ break;
+
+ case '?':
+ usage( argv, 1 );
+ break;
+ }
+ }
+
+ if(outbytes > maxbytes)
+ {
+ printf( "Invalid length argument: %lu\n", outbytes * 8 );
+ printf( "Maximum digest length for %s is %lu\n", algorithm, maxbytes * 8 );
+ usage( argv, 111 );
+ }
+ else if( outbytes == 0 )
+ outbytes = maxbytes;
+
+ if( optind == argc )
+ argv[argc++] = (char *) "-";
+
+ for( i = optind; i < argc; ++i )
+ {
+ FILE *f = NULL;
+ if( argv[i][0] == '-' && argv[i][1] == '\0' )
+ f = stdin;
+ else
+ f = fopen( argv[i], "rb" );
+
+ if( !f )
+ {
+ fprintf( stderr, "Could not open `%s': %s\n", argv[i], strerror( errno ) );
+ continue;
+ }
+
+ if( blake2_stream( f, hash, outbytes ) < 0 )
+ {
+ fprintf( stderr, "Failed to hash `%s'\n", argv[i] );
+ }
+ else
+ {
+ size_t j;
+ if( bsdstyle )
+ {
+ if( outbytes < maxbytes )
+ printf( "%s-%lu (%s) = ", algorithm, outbytes * 8, argv[i] );
+ else
+ printf( "%s (%s) = ", algorithm, argv[i] );
+ }
+
+ for( j = 0; j < outbytes; ++j )
+ printf( "%02x", hash[j] );
+
+ if( bsdstyle )
+ printf( "\n" );
+ else
+ printf( " %s\n", argv[i] );
+ }
+
+ if( f != stdin ) fclose( f );
+ }
+
+ return 0;
+}
+#endif
diff --git a/src/blake2/b2sum.h b/src/blake2/b2sum.h
new file mode 100644
index 0000000..acf6ddc
--- /dev/null
+++ b/src/blake2/b2sum.h
@@ -0,0 +1,19 @@
+/*
+ BLAKE2 reference source code package - b2sum tool
+
+ Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
+ terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
+ your option. The terms of these licenses can be found at:
+
+ - CC0 1.0 Universal : https://creativecommons.org/publicdomain/zero/1.0
+ - OpenSSL license : https://www.openssl.org/source/license.html
+ - Apache 2.0 : https://www.apache.org/licenses/LICENSE-2.0
+
+ More information about the BLAKE2 hash function can be found at
+ https://blake2.net.
+*/
+
+int blake2b_stream( FILE *stream, void *resstream, size_t outbytes );
+typedef int ( *blake2fn )( FILE *, void *, size_t );
+#define BLAKE2S_OUTBYTES 32
+#define BLAKE2B_OUTBYTES 64
diff --git a/src/blake2/blake2-impl.h b/src/blake2/blake2-impl.h
new file mode 100644
index 0000000..32ff316
--- /dev/null
+++ b/src/blake2/blake2-impl.h
@@ -0,0 +1,160 @@
+/*
+ BLAKE2 reference source code package - reference C implementations
+
+ Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
+ terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
+ your option. The terms of these licenses can be found at:
+
+ - CC0 1.0 Universal : https://creativecommons.org/publicdomain/zero/1.0
+ - OpenSSL license : https://www.openssl.org/source/license.html
+ - Apache 2.0 : https://www.apache.org/licenses/LICENSE-2.0
+
+ More information about the BLAKE2 hash function can be found at
+ https://blake2.net.
+*/
+#ifndef BLAKE2_IMPL_H
+#define BLAKE2_IMPL_H
+
+#include <stdint.h>
+#include <string.h>
+
+#if !defined(__cplusplus) && (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L)
+ #if defined(_MSC_VER)
+ #define BLAKE2_INLINE __inline
+ #elif defined(__GNUC__)
+ #define BLAKE2_INLINE __inline__
+ #else
+ #define BLAKE2_INLINE
+ #endif
+#else
+ #define BLAKE2_INLINE inline
+#endif
+
+static BLAKE2_INLINE uint32_t load32( const void *src )
+{
+#if defined(NATIVE_LITTLE_ENDIAN)
+ uint32_t w;
+ memcpy(&w, src, sizeof w);
+ return w;
+#else
+ const uint8_t *p = ( const uint8_t * )src;
+ return (( uint32_t )( p[0] ) << 0) |
+ (( uint32_t )( p[1] ) << 8) |
+ (( uint32_t )( p[2] ) << 16) |
+ (( uint32_t )( p[3] ) << 24) ;
+#endif
+}
+
+static BLAKE2_INLINE uint64_t load64( const void *src )
+{
+#if defined(NATIVE_LITTLE_ENDIAN)
+ uint64_t w;
+ memcpy(&w, src, sizeof w);
+ return w;
+#else
+ const uint8_t *p = ( const uint8_t * )src;
+ return (( uint64_t )( p[0] ) << 0) |
+ (( uint64_t )( p[1] ) << 8) |
+ (( uint64_t )( p[2] ) << 16) |
+ (( uint64_t )( p[3] ) << 24) |
+ (( uint64_t )( p[4] ) << 32) |
+ (( uint64_t )( p[5] ) << 40) |
+ (( uint64_t )( p[6] ) << 48) |
+ (( uint64_t )( p[7] ) << 56) ;
+#endif
+}
+
+static BLAKE2_INLINE uint16_t load16( const void *src )
+{
+#if defined(NATIVE_LITTLE_ENDIAN)
+ uint16_t w;
+ memcpy(&w, src, sizeof w);
+ return w;
+#else
+ const uint8_t *p = ( const uint8_t * )src;
+ return (( uint16_t )( p[0] ) << 0) |
+ (( uint16_t )( p[1] ) << 8) ;
+#endif
+}
+
+static BLAKE2_INLINE void store16( void *dst, uint16_t w )
+{
+#if defined(NATIVE_LITTLE_ENDIAN)
+ memcpy(dst, &w, sizeof w);
+#else
+ uint8_t *p = ( uint8_t * )dst;
+ *p++ = ( uint8_t )w; w >>= 8;
+ *p++ = ( uint8_t )w;
+#endif
+}
+
+static BLAKE2_INLINE void store32( void *dst, uint32_t w )
+{
+#if defined(NATIVE_LITTLE_ENDIAN)
+ memcpy(dst, &w, sizeof w);
+#else
+ uint8_t *p = ( uint8_t * )dst;
+ p[0] = (uint8_t)(w >> 0);
+ p[1] = (uint8_t)(w >> 8);
+ p[2] = (uint8_t)(w >> 16);
+ p[3] = (uint8_t)(w >> 24);
+#endif
+}
+
+static BLAKE2_INLINE void store64( void *dst, uint64_t w )
+{
+#if defined(NATIVE_LITTLE_ENDIAN)
+ memcpy(dst, &w, sizeof w);
+#else
+ uint8_t *p = ( uint8_t * )dst;
+ p[0] = (uint8_t)(w >> 0);
+ p[1] = (uint8_t)(w >> 8);
+ p[2] = (uint8_t)(w >> 16);
+ p[3] = (uint8_t)(w >> 24);
+ p[4] = (uint8_t)(w >> 32);
+ p[5] = (uint8_t)(w >> 40);
+ p[6] = (uint8_t)(w >> 48);
+ p[7] = (uint8_t)(w >> 56);
+#endif
+}
+
+static BLAKE2_INLINE uint64_t load48( const void *src )
+{
+ const uint8_t *p = ( const uint8_t * )src;
+ return (( uint64_t )( p[0] ) << 0) |
+ (( uint64_t )( p[1] ) << 8) |
+ (( uint64_t )( p[2] ) << 16) |
+ (( uint64_t )( p[3] ) << 24) |
+ (( uint64_t )( p[4] ) << 32) |
+ (( uint64_t )( p[5] ) << 40) ;
+}
+
+static BLAKE2_INLINE void store48( void *dst, uint64_t w )
+{
+ uint8_t *p = ( uint8_t * )dst;
+ p[0] = (uint8_t)(w >> 0);
+ p[1] = (uint8_t)(w >> 8);
+ p[2] = (uint8_t)(w >> 16);
+ p[3] = (uint8_t)(w >> 24);
+ p[4] = (uint8_t)(w >> 32);
+ p[5] = (uint8_t)(w >> 40);
+}
+
+static BLAKE2_INLINE uint32_t rotr32( const uint32_t w, const unsigned c )
+{
+ return ( w >> c ) | ( w << ( 32 - c ) );
+}
+
+static BLAKE2_INLINE uint64_t rotr64( const uint64_t w, const unsigned c )
+{
+ return ( w >> c ) | ( w << ( 64 - c ) );
+}
+
+/* prevents compiler optimizing out memset() */
+static BLAKE2_INLINE void secure_zero_memory(void *v, size_t n)
+{
+ static void *(*const volatile memset_v)(void *, int, size_t) = &memset;
+ memset_v(v, 0, n);
+}
+
+#endif
diff --git a/src/blake2/blake2.h b/src/blake2/blake2.h
new file mode 100644
index 0000000..d25d5fd
--- /dev/null
+++ b/src/blake2/blake2.h
@@ -0,0 +1,195 @@
+/*
+ BLAKE2 reference source code package - reference C implementations
+
+ Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
+ terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
+ your option. The terms of these licenses can be found at:
+
+ - CC0 1.0 Universal : https://creativecommons.org/publicdomain/zero/1.0
+ - OpenSSL license : https://www.openssl.org/source/license.html
+ - Apache 2.0 : https://www.apache.org/licenses/LICENSE-2.0
+
+ More information about the BLAKE2 hash function can be found at
+ https://blake2.net.
+*/
+#ifndef BLAKE2_H
+#define BLAKE2_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+#if defined(_MSC_VER)
+#define BLAKE2_PACKED(x) __pragma(pack(push, 1)) x __pragma(pack(pop))
+#else
+#define BLAKE2_PACKED(x) x __attribute__((packed))
+#endif
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+ enum blake2s_constant
+ {
+ BLAKE2S_BLOCKBYTES = 64,
+ BLAKE2S_OUTBYTES = 32,
+ BLAKE2S_KEYBYTES = 32,
+ BLAKE2S_SALTBYTES = 8,
+ BLAKE2S_PERSONALBYTES = 8
+ };
+
+ enum blake2b_constant
+ {
+ BLAKE2B_BLOCKBYTES = 128,
+ BLAKE2B_OUTBYTES = 64,
+ BLAKE2B_KEYBYTES = 64,
+ BLAKE2B_SALTBYTES = 16,
+ BLAKE2B_PERSONALBYTES = 16
+ };
+
+ typedef struct blake2s_state__
+ {
+ uint32_t h[8];
+ uint32_t t[2];
+ uint32_t f[2];
+ uint8_t buf[BLAKE2S_BLOCKBYTES];
+ size_t buflen;
+ size_t outlen;
+ uint8_t last_node;
+ } blake2s_state;
+
+ typedef struct blake2b_state__
+ {
+ uint64_t h[8];
+ uint64_t t[2];
+ uint64_t f[2];
+ uint8_t buf[BLAKE2B_BLOCKBYTES];
+ size_t buflen;
+ size_t outlen;
+ uint8_t last_node;
+ } blake2b_state;
+
+ typedef struct blake2sp_state__
+ {
+ blake2s_state S[8][1];
+ blake2s_state R[1];
+ uint8_t buf[8 * BLAKE2S_BLOCKBYTES];
+ size_t buflen;
+ size_t outlen;
+ } blake2sp_state;
+
+ typedef struct blake2bp_state__
+ {
+ blake2b_state S[4][1];
+ blake2b_state R[1];
+ uint8_t buf[4 * BLAKE2B_BLOCKBYTES];
+ size_t buflen;
+ size_t outlen;
+ } blake2bp_state;
+
+
+ BLAKE2_PACKED(struct blake2s_param__
+ {
+ uint8_t digest_length; /* 1 */
+ uint8_t key_length; /* 2 */
+ uint8_t fanout; /* 3 */
+ uint8_t depth; /* 4 */
+ uint32_t leaf_length; /* 8 */
+ uint32_t node_offset; /* 12 */
+ uint16_t xof_length; /* 14 */
+ uint8_t node_depth; /* 15 */
+ uint8_t inner_length; /* 16 */
+ /* uint8_t reserved[0]; */
+ uint8_t salt[BLAKE2S_SALTBYTES]; /* 24 */
+ uint8_t personal[BLAKE2S_PERSONALBYTES]; /* 32 */
+ });
+
+ typedef struct blake2s_param__ blake2s_param;
+
+ BLAKE2_PACKED(struct blake2b_param__
+ {
+ uint8_t digest_length; /* 1 */
+ uint8_t key_length; /* 2 */
+ uint8_t fanout; /* 3 */
+ uint8_t depth; /* 4 */
+ uint32_t leaf_length; /* 8 */
+ uint32_t node_offset; /* 12 */
+ uint32_t xof_length; /* 16 */
+ uint8_t node_depth; /* 17 */
+ uint8_t inner_length; /* 18 */
+ uint8_t reserved[14]; /* 32 */
+ uint8_t salt[BLAKE2B_SALTBYTES]; /* 48 */
+ uint8_t personal[BLAKE2B_PERSONALBYTES]; /* 64 */
+ });
+
+ typedef struct blake2b_param__ blake2b_param;
+
+ typedef struct blake2xs_state__
+ {
+ blake2s_state S[1];
+ blake2s_param P[1];
+ } blake2xs_state;
+
+ typedef struct blake2xb_state__
+ {
+ blake2b_state S[1];
+ blake2b_param P[1];
+ } blake2xb_state;
+
+ /* Padded structs result in a compile-time error */
+ enum {
+ BLAKE2_DUMMY_1 = 1/(sizeof(blake2s_param) == BLAKE2S_OUTBYTES),
+ BLAKE2_DUMMY_2 = 1/(sizeof(blake2b_param) == BLAKE2B_OUTBYTES)
+ };
+
+ /* Streaming API */
+ int blake2s_init( blake2s_state *S, size_t outlen );
+ int blake2s_init_key( blake2s_state *S, size_t outlen, const void *key, size_t keylen );
+ int blake2s_init_param( blake2s_state *S, const blake2s_param *P );
+ int blake2s_update( blake2s_state *S, const void *in, size_t inlen );
+ int blake2s_final( blake2s_state *S, void *out, size_t outlen );
+
+ int blake2b_init( blake2b_state *S, size_t outlen );
+ int blake2b_init_key( blake2b_state *S, size_t outlen, const void *key, size_t keylen );
+ int blake2b_init_param( blake2b_state *S, const blake2b_param *P );
+ int blake2b_update( blake2b_state *S, const void *in, size_t inlen );
+ int blake2b_final( blake2b_state *S, void *out, size_t outlen );
+
+ int blake2sp_init( blake2sp_state *S, size_t outlen );
+ int blake2sp_init_key( blake2sp_state *S, size_t outlen, const void *key, size_t keylen );
+ int blake2sp_update( blake2sp_state *S, const void *in, size_t inlen );
+ int blake2sp_final( blake2sp_state *S, void *out, size_t outlen );
+
+ int blake2bp_init( blake2bp_state *S, size_t outlen );
+ int blake2bp_init_key( blake2bp_state *S, size_t outlen, const void *key, size_t keylen );
+ int blake2bp_update( blake2bp_state *S, const void *in, size_t inlen );
+ int blake2bp_final( blake2bp_state *S, void *out, size_t outlen );
+
+ /* Variable output length API */
+ int blake2xs_init( blake2xs_state *S, const size_t outlen );
+ int blake2xs_init_key( blake2xs_state *S, const size_t outlen, const void *key, size_t keylen );
+ int blake2xs_update( blake2xs_state *S, const void *in, size_t inlen );
+ int blake2xs_final(blake2xs_state *S, void *out, size_t outlen);
+
+ int blake2xb_init( blake2xb_state *S, const size_t outlen );
+ int blake2xb_init_key( blake2xb_state *S, const size_t outlen, const void *key, size_t keylen );
+ int blake2xb_update( blake2xb_state *S, const void *in, size_t inlen );
+ int blake2xb_final(blake2xb_state *S, void *out, size_t outlen);
+
+ /* Simple API */
+ int blake2s( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
+ int blake2b( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
+
+ int blake2sp( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
+ int blake2bp( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
+
+ int blake2xs( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
+ int blake2xb( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
+
+ /* This is simply an alias for blake2b */
+ int blake2( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif
diff --git a/src/blake2/blake2b-ref.c b/src/blake2/blake2b-ref.c
new file mode 100644
index 0000000..cbb1d8b
--- /dev/null
+++ b/src/blake2/blake2b-ref.c
@@ -0,0 +1,379 @@
+/*
+ BLAKE2 reference source code package - reference C implementations
+
+ Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
+ terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
+ your option. The terms of these licenses can be found at:
+
+ - CC0 1.0 Universal : https://creativecommons.org/publicdomain/zero/1.0
+ - OpenSSL license : https://www.openssl.org/source/license.html
+ - Apache 2.0 : https://www.apache.org/licenses/LICENSE-2.0
+
+ More information about the BLAKE2 hash function can be found at
+ https://blake2.net.
+*/
+
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "blake2.h"
+#include "blake2-impl.h"
+
+static const uint64_t blake2b_IV[8] =
+{
+ 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL,
+ 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL,
+ 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL,
+ 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL
+};
+
+static const uint8_t blake2b_sigma[12][16] =
+{
+ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } ,
+ { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } ,
+ { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } ,
+ { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } ,
+ { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } ,
+ { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } ,
+ { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } ,
+ { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } ,
+ { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } ,
+ { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 } ,
+ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } ,
+ { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 }
+};
+
+
+static void blake2b_set_lastnode( blake2b_state *S )
+{
+ S->f[1] = (uint64_t)-1;
+}
+
+/* Some helper functions, not necessarily useful */
+static int blake2b_is_lastblock( const blake2b_state *S )
+{
+ return S->f[0] != 0;
+}
+
+static void blake2b_set_lastblock( blake2b_state *S )
+{
+ if( S->last_node ) blake2b_set_lastnode( S );
+
+ S->f[0] = (uint64_t)-1;
+}
+
+static void blake2b_increment_counter( blake2b_state *S, const uint64_t inc )
+{
+ S->t[0] += inc;
+ S->t[1] += ( S->t[0] < inc );
+}
+
+static void blake2b_init0( blake2b_state *S )
+{
+ size_t i;
+ memset( S, 0, sizeof( blake2b_state ) );
+
+ for( i = 0; i < 8; ++i ) S->h[i] = blake2b_IV[i];
+}
+
+/* init xors IV with input parameter block */
+int blake2b_init_param( blake2b_state *S, const blake2b_param *P )
+{
+ const uint8_t *p = ( const uint8_t * )( P );
+ size_t i;
+
+ blake2b_init0( S );
+
+ /* IV XOR ParamBlock */
+ for( i = 0; i < 8; ++i )
+ S->h[i] ^= load64( p + sizeof( S->h[i] ) * i );
+
+ S->outlen = P->digest_length;
+ return 0;
+}
+
+
+
+int blake2b_init( blake2b_state *S, size_t outlen )
+{
+ blake2b_param P[1];
+
+ if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return -1;
+
+ P->digest_length = (uint8_t)outlen;
+ P->key_length = 0;
+ P->fanout = 1;
+ P->depth = 1;
+ store32( &P->leaf_length, 0 );
+ store32( &P->node_offset, 0 );
+ store32( &P->xof_length, 0 );
+ P->node_depth = 0;
+ P->inner_length = 0;
+ memset( P->reserved, 0, sizeof( P->reserved ) );
+ memset( P->salt, 0, sizeof( P->salt ) );
+ memset( P->personal, 0, sizeof( P->personal ) );
+ return blake2b_init_param( S, P );
+}
+
+
+int blake2b_init_key( blake2b_state *S, size_t outlen, const void *key, size_t keylen )
+{
+ blake2b_param P[1];
+
+ if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return -1;
+
+ if ( !key || !keylen || keylen > BLAKE2B_KEYBYTES ) return -1;
+
+ P->digest_length = (uint8_t)outlen;
+ P->key_length = (uint8_t)keylen;
+ P->fanout = 1;
+ P->depth = 1;
+ store32( &P->leaf_length, 0 );
+ store32( &P->node_offset, 0 );
+ store32( &P->xof_length, 0 );
+ P->node_depth = 0;
+ P->inner_length = 0;
+ memset( P->reserved, 0, sizeof( P->reserved ) );
+ memset( P->salt, 0, sizeof( P->salt ) );
+ memset( P->personal, 0, sizeof( P->personal ) );
+
+ if( blake2b_init_param( S, P ) < 0 ) return -1;
+
+ {
+ uint8_t block[BLAKE2B_BLOCKBYTES];
+ memset( block, 0, BLAKE2B_BLOCKBYTES );
+ memcpy( block, key, keylen );
+ blake2b_update( S, block, BLAKE2B_BLOCKBYTES );
+ secure_zero_memory( block, BLAKE2B_BLOCKBYTES ); /* Burn the key from stack */
+ }
+ return 0;
+}
+
+#define G(r,i,a,b,c,d) \
+ do { \
+ a = a + b + m[blake2b_sigma[r][2*i+0]]; \
+ d = rotr64(d ^ a, 32); \
+ c = c + d; \
+ b = rotr64(b ^ c, 24); \
+ a = a + b + m[blake2b_sigma[r][2*i+1]]; \
+ d = rotr64(d ^ a, 16); \
+ c = c + d; \
+ b = rotr64(b ^ c, 63); \
+ } while(0)
+
+#define ROUND(r) \
+ do { \
+ G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \
+ G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \
+ G(r,2,v[ 2],v[ 6],v[10],v[14]); \
+ G(r,3,v[ 3],v[ 7],v[11],v[15]); \
+ G(r,4,v[ 0],v[ 5],v[10],v[15]); \
+ G(r,5,v[ 1],v[ 6],v[11],v[12]); \
+ G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \
+ G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \
+ } while(0)
+
+static void blake2b_compress( blake2b_state *S, const uint8_t block[BLAKE2B_BLOCKBYTES] )
+{
+ uint64_t m[16];
+ uint64_t v[16];
+ size_t i;
+
+ for( i = 0; i < 16; ++i ) {
+ m[i] = load64( block + i * sizeof( m[i] ) );
+ }
+
+ for( i = 0; i < 8; ++i ) {
+ v[i] = S->h[i];
+ }
+
+ v[ 8] = blake2b_IV[0];
+ v[ 9] = blake2b_IV[1];
+ v[10] = blake2b_IV[2];
+ v[11] = blake2b_IV[3];
+ v[12] = blake2b_IV[4] ^ S->t[0];
+ v[13] = blake2b_IV[5] ^ S->t[1];
+ v[14] = blake2b_IV[6] ^ S->f[0];
+ v[15] = blake2b_IV[7] ^ S->f[1];
+
+ ROUND( 0 );
+ ROUND( 1 );
+ ROUND( 2 );
+ ROUND( 3 );
+ ROUND( 4 );
+ ROUND( 5 );
+ ROUND( 6 );
+ ROUND( 7 );
+ ROUND( 8 );
+ ROUND( 9 );
+ ROUND( 10 );
+ ROUND( 11 );
+
+ for( i = 0; i < 8; ++i ) {
+ S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];
+ }
+}
+
+#undef G
+#undef ROUND
+
+int blake2b_update( blake2b_state *S, const void *pin, size_t inlen )
+{
+ const unsigned char * in = (const unsigned char *)pin;
+ if( inlen > 0 )
+ {
+ size_t left = S->buflen;
+ size_t fill = BLAKE2B_BLOCKBYTES - left;
+ if( inlen > fill )
+ {
+ S->buflen = 0;
+ memcpy( S->buf + left, in, fill ); /* Fill buffer */
+ blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );
+ blake2b_compress( S, S->buf ); /* Compress */
+ in += fill; inlen -= fill;
+ while(inlen > BLAKE2B_BLOCKBYTES) {
+ blake2b_increment_counter(S, BLAKE2B_BLOCKBYTES);
+ blake2b_compress( S, in );
+ in += BLAKE2B_BLOCKBYTES;
+ inlen -= BLAKE2B_BLOCKBYTES;
+ }
+ }
+ memcpy( S->buf + S->buflen, in, inlen );
+ S->buflen += inlen;
+ }
+ return 0;
+}
+
+int blake2b_final( blake2b_state *S, void *out, size_t outlen )
+{
+ uint8_t buffer[BLAKE2B_OUTBYTES] = {0};
+ size_t i;
+
+ if( out == NULL || outlen < S->outlen )
+ return -1;
+
+ if( blake2b_is_lastblock( S ) )
+ return -1;
+
+ blake2b_increment_counter( S, S->buflen );
+ blake2b_set_lastblock( S );
+ memset( S->buf + S->buflen, 0, BLAKE2B_BLOCKBYTES - S->buflen ); /* Padding */
+ blake2b_compress( S, S->buf );
+
+ for( i = 0; i < 8; ++i ) /* Output full hash to temp buffer */
+ store64( buffer + sizeof( S->h[i] ) * i, S->h[i] );
+
+ memcpy( out, buffer, S->outlen );
+ secure_zero_memory(buffer, sizeof(buffer));
+ return 0;
+}
+
+/* inlen, at least, should be uint64_t. Others can be size_t. */
+int blake2b( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen )
+{
+ blake2b_state S[1];
+
+ /* Verify parameters */
+ if ( NULL == in && inlen > 0 ) return -1;
+
+ if ( NULL == out ) return -1;
+
+ if( NULL == key && keylen > 0 ) return -1;
+
+ if( !outlen || outlen > BLAKE2B_OUTBYTES ) return -1;
+
+ if( keylen > BLAKE2B_KEYBYTES ) return -1;
+
+ if( keylen > 0 )
+ {
+ if( blake2b_init_key( S, outlen, key, keylen ) < 0 ) return -1;
+ }
+ else
+ {
+ if( blake2b_init( S, outlen ) < 0 ) return -1;
+ }
+
+ blake2b_update( S, ( const uint8_t * )in, inlen );
+ blake2b_final( S, out, outlen );
+ return 0;
+}
+
+int blake2( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen ) {
+ return blake2b(out, outlen, in, inlen, key, keylen);
+}
+
+#if defined(SUPERCOP)
+int crypto_hash( unsigned char *out, unsigned char *in, unsigned long long inlen )
+{
+ return blake2b( out, BLAKE2B_OUTBYTES, in, inlen, NULL, 0 );
+}
+#endif
+
+#if defined(BLAKE2B_SELFTEST)
+#include <string.h>
+#include "blake2-kat.h"
+int main( void )
+{
+ uint8_t key[BLAKE2B_KEYBYTES];
+ uint8_t buf[BLAKE2_KAT_LENGTH];
+ size_t i, step;
+
+ for( i = 0; i < BLAKE2B_KEYBYTES; ++i )
+ key[i] = ( uint8_t )i;
+
+ for( i = 0; i < BLAKE2_KAT_LENGTH; ++i )
+ buf[i] = ( uint8_t )i;
+
+ /* Test simple API */
+ for( i = 0; i < BLAKE2_KAT_LENGTH; ++i )
+ {
+ uint8_t hash[BLAKE2B_OUTBYTES];
+ blake2b( hash, BLAKE2B_OUTBYTES, buf, i, key, BLAKE2B_KEYBYTES );
+
+ if( 0 != memcmp( hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES ) )
+ {
+ goto fail;
+ }
+ }
+
+ /* Test streaming API */
+ for(step = 1; step < BLAKE2B_BLOCKBYTES; ++step) {
+ for (i = 0; i < BLAKE2_KAT_LENGTH; ++i) {
+ uint8_t hash[BLAKE2B_OUTBYTES];
+ blake2b_state S;
+ uint8_t * p = buf;
+ size_t mlen = i;
+ int err = 0;
+
+ if( (err = blake2b_init_key(&S, BLAKE2B_OUTBYTES, key, BLAKE2B_KEYBYTES)) < 0 ) {
+ goto fail;
+ }
+
+ while (mlen >= step) {
+ if ( (err = blake2b_update(&S, p, step)) < 0 ) {
+ goto fail;
+ }
+ mlen -= step;
+ p += step;
+ }
+ if ( (err = blake2b_update(&S, p, mlen)) < 0) {
+ goto fail;
+ }
+ if ( (err = blake2b_final(&S, hash, BLAKE2B_OUTBYTES)) < 0) {
+ goto fail;
+ }
+
+ if (0 != memcmp(hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES)) {
+ goto fail;
+ }
+ }
+ }
+
+ puts( "ok" );
+ return 0;
+fail:
+ puts("error");
+ return -1;
+}
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 19:35:04 +0000