| author | |
| committer | |
| log | a1132ffe0ff965ab48c160a658f11bae345bf2d2 |
| tree | 9e77c3cd876108714ef7669edc8ee7e69fc83fa1 |
| parent | 9227315bf24238c05c0c01a9f516449aa8525e41 |
3 files changed, 546 insertions(+), 545 deletions(-)
CMakeLists.txt+7-6| ... | @@ -426,8 +426,8 @@ set(ZIG_SOURCES | ... | @@ -426,8 +426,8 @@ set(ZIG_SOURCES |
| 426 | "${CMAKE_SOURCE_DIR}/src/util.cpp" | 426 | "${CMAKE_SOURCE_DIR}/src/util.cpp" |
| 427 | "${CMAKE_SOURCE_DIR}/src/translate_c.cpp" | 427 | "${CMAKE_SOURCE_DIR}/src/translate_c.cpp" |
| 428 | ) | 428 | ) |
| 429 | set(ZIG_SOURCES_O3 | 429 | set(BLAKE_SOURCES |
| 430 | "${CMAKE_SOURCE_DIR}/src/blake2b.cpp" | 430 | "${CMAKE_SOURCE_DIR}/src/blake2b.c" |
| 431 | ) | 431 | ) |
| 432 | set(ZIG_CPP_SOURCES | 432 | set(ZIG_CPP_SOURCES |
| 433 | "${CMAKE_SOURCE_DIR}/src/zig_llvm.cpp" | 433 | "${CMAKE_SOURCE_DIR}/src/zig_llvm.cpp" |
| ... | @@ -795,6 +795,7 @@ else() | ... | @@ -795,6 +795,7 @@ else() |
| 795 | set(EXE_CFLAGS "${EXE_CFLAGS} -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -D_GNU_SOURCE -fno-exceptions -fno-rtti -Werror=strict-prototypes -Werror=old-style-definition -Werror=type-limits -Wno-missing-braces") | 795 | set(EXE_CFLAGS "${EXE_CFLAGS} -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -D_GNU_SOURCE -fno-exceptions -fno-rtti -Werror=strict-prototypes -Werror=old-style-definition -Werror=type-limits -Wno-missing-braces") |
| 796 | endif() | 796 | endif() |
| 797 | 797 | ||
| 798 | set(BLAKE_CFLAGS "-std=c99") | ||
| 798 | 799 | ||
| 799 | set(EXE_LDFLAGS " ") | 800 | set(EXE_LDFLAGS " ") |
| 800 | if(MINGW) | 801 | if(MINGW) |
| ... | @@ -816,9 +817,9 @@ set_target_properties(zig_cpp PROPERTIES | ... | @@ -816,9 +817,9 @@ set_target_properties(zig_cpp PROPERTIES |
| 816 | COMPILE_FLAGS ${EXE_CFLAGS} | 817 | COMPILE_FLAGS ${EXE_CFLAGS} |
| 817 | ) | 818 | ) |
| 818 | 819 | ||
| 819 | add_library(zig_O3 STATIC ${ZIG_SOURCES_O3}) | 820 | add_library(embedded_blake STATIC ${BLAKE_SOURCES}) |
| 820 | set_target_properties(zig_O3 PROPERTIES | 821 | set_target_properties(embedded_blake PROPERTIES |
| 821 | COMPILE_FLAGS "${EXE_CFLAGS} -O3" | 822 | COMPILE_FLAGS "${BLAKE_CFLAGS} -O3" |
| 822 | ) | 823 | ) |
| 823 | 824 | ||
| 824 | add_executable(zig ${ZIG_SOURCES}) | 825 | add_executable(zig ${ZIG_SOURCES}) |
| ... | @@ -829,7 +830,7 @@ set_target_properties(zig PROPERTIES | ... | @@ -829,7 +830,7 @@ set_target_properties(zig PROPERTIES |
| 829 | 830 | ||
| 830 | target_link_libraries(zig LINK_PUBLIC | 831 | target_link_libraries(zig LINK_PUBLIC |
| 831 | zig_cpp | 832 | zig_cpp |
| 832 | zig_O3 | 833 | embedded_blake |
| 833 | ${SOFTFLOAT_LIBRARIES} | 834 | ${SOFTFLOAT_LIBRARIES} |
| 834 | ${CLANG_LIBRARIES} | 835 | ${CLANG_LIBRARIES} |
| 835 | ${LLD_LIBRARIES} | 836 | ${LLD_LIBRARIES} |
src/blake2b.c created+539| ... | @@ -0,0 +1,539 @@ | ||
| 1 | /* | ||
| 2 | BLAKE2 reference source code package - reference C implementations | ||
| 3 | |||
| 4 | Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the | ||
| 5 | terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at | ||
| 6 | your option. The terms of these licenses can be found at: | ||
| 7 | |||
| 8 | - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 | ||
| 9 | - OpenSSL license : https://www.openssl.org/source/license.html | ||
| 10 | - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 | ||
| 11 | |||
| 12 | More information about the BLAKE2 hash function can be found at | ||
| 13 | https://blake2.net. | ||
| 14 | */ | ||
| 15 | |||
| 16 | #include <stdint.h> | ||
| 17 | #include <string.h> | ||
| 18 | #include <stdio.h> | ||
| 19 | |||
| 20 | #include "blake2.h" | ||
| 21 | /* | ||
| 22 | BLAKE2 reference source code package - reference C implementations | ||
| 23 | |||
| 24 | Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the | ||
| 25 | terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at | ||
| 26 | your option. The terms of these licenses can be found at: | ||
| 27 | |||
| 28 | - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 | ||
| 29 | - OpenSSL license : https://www.openssl.org/source/license.html | ||
| 30 | - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 | ||
| 31 | |||
| 32 | More information about the BLAKE2 hash function can be found at | ||
| 33 | https://blake2.net. | ||
| 34 | */ | ||
| 35 | #ifndef BLAKE2_IMPL_H | ||
| 36 | #define BLAKE2_IMPL_H | ||
| 37 | |||
| 38 | #include <stdint.h> | ||
| 39 | #include <string.h> | ||
| 40 | |||
| 41 | #if !defined(__cplusplus) && (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L) | ||
| 42 | #if defined(_MSC_VER) | ||
| 43 | #define BLAKE2_INLINE __inline | ||
| 44 | #elif defined(__GNUC__) | ||
| 45 | #define BLAKE2_INLINE __inline__ | ||
| 46 | #else | ||
| 47 | #define BLAKE2_INLINE | ||
| 48 | #endif | ||
| 49 | #else | ||
| 50 | #define BLAKE2_INLINE inline | ||
| 51 | #endif | ||
| 52 | |||
| 53 | static BLAKE2_INLINE uint32_t load32( const void *src ) | ||
| 54 | { | ||
| 55 | #if defined(NATIVE_LITTLE_ENDIAN) | ||
| 56 | uint32_t w; | ||
| 57 | memcpy(&w, src, sizeof w); | ||
| 58 | return w; | ||
| 59 | #else | ||
| 60 | const uint8_t *p = ( const uint8_t * )src; | ||
| 61 | return (( uint32_t )( p[0] ) << 0) | | ||
| 62 | (( uint32_t )( p[1] ) << 8) | | ||
| 63 | (( uint32_t )( p[2] ) << 16) | | ||
| 64 | (( uint32_t )( p[3] ) << 24) ; | ||
| 65 | #endif | ||
| 66 | } | ||
| 67 | |||
| 68 | static BLAKE2_INLINE uint64_t load64( const void *src ) | ||
| 69 | { | ||
| 70 | #if defined(NATIVE_LITTLE_ENDIAN) | ||
| 71 | uint64_t w; | ||
| 72 | memcpy(&w, src, sizeof w); | ||
| 73 | return w; | ||
| 74 | #else | ||
| 75 | const uint8_t *p = ( const uint8_t * )src; | ||
| 76 | return (( uint64_t )( p[0] ) << 0) | | ||
| 77 | (( uint64_t )( p[1] ) << 8) | | ||
| 78 | (( uint64_t )( p[2] ) << 16) | | ||
| 79 | (( uint64_t )( p[3] ) << 24) | | ||
| 80 | (( uint64_t )( p[4] ) << 32) | | ||
| 81 | (( uint64_t )( p[5] ) << 40) | | ||
| 82 | (( uint64_t )( p[6] ) << 48) | | ||
| 83 | (( uint64_t )( p[7] ) << 56) ; | ||
| 84 | #endif | ||
| 85 | } | ||
| 86 | |||
| 87 | static BLAKE2_INLINE uint16_t load16( const void *src ) | ||
| 88 | { | ||
| 89 | #if defined(NATIVE_LITTLE_ENDIAN) | ||
| 90 | uint16_t w; | ||
| 91 | memcpy(&w, src, sizeof w); | ||
| 92 | return w; | ||
| 93 | #else | ||
| 94 | const uint8_t *p = ( const uint8_t * )src; | ||
| 95 | return ( uint16_t )((( uint32_t )( p[0] ) << 0) | | ||
| 96 | (( uint32_t )( p[1] ) << 8)); | ||
| 97 | #endif | ||
| 98 | } | ||
| 99 | |||
| 100 | static BLAKE2_INLINE void store16( void *dst, uint16_t w ) | ||
| 101 | { | ||
| 102 | #if defined(NATIVE_LITTLE_ENDIAN) | ||
| 103 | memcpy(dst, &w, sizeof w); | ||
| 104 | #else | ||
| 105 | uint8_t *p = ( uint8_t * )dst; | ||
| 106 | *p++ = ( uint8_t )w; w >>= 8; | ||
| 107 | *p++ = ( uint8_t )w; | ||
| 108 | #endif | ||
| 109 | } | ||
| 110 | |||
| 111 | static BLAKE2_INLINE void store32( void *dst, uint32_t w ) | ||
| 112 | { | ||
| 113 | #if defined(NATIVE_LITTLE_ENDIAN) | ||
| 114 | memcpy(dst, &w, sizeof w); | ||
| 115 | #else | ||
| 116 | uint8_t *p = ( uint8_t * )dst; | ||
| 117 | p[0] = (uint8_t)(w >> 0); | ||
| 118 | p[1] = (uint8_t)(w >> 8); | ||
| 119 | p[2] = (uint8_t)(w >> 16); | ||
| 120 | p[3] = (uint8_t)(w >> 24); | ||
| 121 | #endif | ||
| 122 | } | ||
| 123 | |||
| 124 | static BLAKE2_INLINE void store64( void *dst, uint64_t w ) | ||
| 125 | { | ||
| 126 | #if defined(NATIVE_LITTLE_ENDIAN) | ||
| 127 | memcpy(dst, &w, sizeof w); | ||
| 128 | #else | ||
| 129 | uint8_t *p = ( uint8_t * )dst; | ||
| 130 | p[0] = (uint8_t)(w >> 0); | ||
| 131 | p[1] = (uint8_t)(w >> 8); | ||
| 132 | p[2] = (uint8_t)(w >> 16); | ||
| 133 | p[3] = (uint8_t)(w >> 24); | ||
| 134 | p[4] = (uint8_t)(w >> 32); | ||
| 135 | p[5] = (uint8_t)(w >> 40); | ||
| 136 | p[6] = (uint8_t)(w >> 48); | ||
| 137 | p[7] = (uint8_t)(w >> 56); | ||
| 138 | #endif | ||
| 139 | } | ||
| 140 | |||
| 141 | static BLAKE2_INLINE uint64_t load48( const void *src ) | ||
| 142 | { | ||
| 143 | const uint8_t *p = ( const uint8_t * )src; | ||
| 144 | return (( uint64_t )( p[0] ) << 0) | | ||
| 145 | (( uint64_t )( p[1] ) << 8) | | ||
| 146 | (( uint64_t )( p[2] ) << 16) | | ||
| 147 | (( uint64_t )( p[3] ) << 24) | | ||
| 148 | (( uint64_t )( p[4] ) << 32) | | ||
| 149 | (( uint64_t )( p[5] ) << 40) ; | ||
| 150 | } | ||
| 151 | |||
| 152 | static BLAKE2_INLINE void store48( void *dst, uint64_t w ) | ||
| 153 | { | ||
| 154 | uint8_t *p = ( uint8_t * )dst; | ||
| 155 | p[0] = (uint8_t)(w >> 0); | ||
| 156 | p[1] = (uint8_t)(w >> 8); | ||
| 157 | p[2] = (uint8_t)(w >> 16); | ||
| 158 | p[3] = (uint8_t)(w >> 24); | ||
| 159 | p[4] = (uint8_t)(w >> 32); | ||
| 160 | p[5] = (uint8_t)(w >> 40); | ||
| 161 | } | ||
| 162 | |||
| 163 | static BLAKE2_INLINE uint32_t rotr32( const uint32_t w, const unsigned c ) | ||
| 164 | { | ||
| 165 | return ( w >> c ) | ( w << ( 32 - c ) ); | ||
| 166 | } | ||
| 167 | |||
| 168 | static BLAKE2_INLINE uint64_t rotr64( const uint64_t w, const unsigned c ) | ||
| 169 | { | ||
| 170 | return ( w >> c ) | ( w << ( 64 - c ) ); | ||
| 171 | } | ||
| 172 | |||
| 173 | /* prevents compiler optimizing out memset() */ | ||
| 174 | static BLAKE2_INLINE void secure_zero_memory(void *v, size_t n) | ||
| 175 | { | ||
| 176 | static void *(*const volatile memset_v)(void *, int, size_t) = &memset; | ||
| 177 | memset_v(v, 0, n); | ||
| 178 | } | ||
| 179 | |||
| 180 | #endif | ||
| 181 | |||
| 182 | static const uint64_t blake2b_IV[8] = | ||
| 183 | { | ||
| 184 | 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, | ||
| 185 | 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL, | ||
| 186 | 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL, | ||
| 187 | 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL | ||
| 188 | }; | ||
| 189 | |||
| 190 | static const uint8_t blake2b_sigma[12][16] = | ||
| 191 | { | ||
| 192 | { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } , | ||
| 193 | { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } , | ||
| 194 | { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } , | ||
| 195 | { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } , | ||
| 196 | { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } , | ||
| 197 | { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } , | ||
| 198 | { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } , | ||
| 199 | { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } , | ||
| 200 | { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } , | ||
| 201 | { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 } , | ||
| 202 | { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } , | ||
| 203 | { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } | ||
| 204 | }; | ||
| 205 | |||
| 206 | |||
| 207 | static void blake2b_set_lastnode( blake2b_state *S ) | ||
| 208 | { | ||
| 209 | S->f[1] = (uint64_t)-1; | ||
| 210 | } | ||
| 211 | |||
| 212 | /* Some helper functions, not necessarily useful */ | ||
| 213 | static int blake2b_is_lastblock( const blake2b_state *S ) | ||
| 214 | { | ||
| 215 | return S->f[0] != 0; | ||
| 216 | } | ||
| 217 | |||
| 218 | static void blake2b_set_lastblock( blake2b_state *S ) | ||
| 219 | { | ||
| 220 | if( S->last_node ) blake2b_set_lastnode( S ); | ||
| 221 | |||
| 222 | S->f[0] = (uint64_t)-1; | ||
| 223 | } | ||
| 224 | |||
| 225 | static void blake2b_increment_counter( blake2b_state *S, const uint64_t inc ) | ||
| 226 | { | ||
| 227 | S->t[0] += inc; | ||
| 228 | S->t[1] += ( S->t[0] < inc ); | ||
| 229 | } | ||
| 230 | |||
| 231 | static void blake2b_init0( blake2b_state *S ) | ||
| 232 | { | ||
| 233 | size_t i; | ||
| 234 | memset( S, 0, sizeof( blake2b_state ) ); | ||
| 235 | |||
| 236 | for( i = 0; i < 8; ++i ) S->h[i] = blake2b_IV[i]; | ||
| 237 | } | ||
| 238 | |||
| 239 | /* init xors IV with input parameter block */ | ||
| 240 | int blake2b_init_param( blake2b_state *S, const blake2b_param *P ) | ||
| 241 | { | ||
| 242 | const uint8_t *p = ( const uint8_t * )( P ); | ||
| 243 | size_t i; | ||
| 244 | |||
| 245 | blake2b_init0( S ); | ||
| 246 | |||
| 247 | /* IV XOR ParamBlock */ | ||
| 248 | for( i = 0; i < 8; ++i ) | ||
| 249 | S->h[i] ^= load64( p + sizeof( S->h[i] ) * i ); | ||
| 250 | |||
| 251 | S->outlen = P->digest_length; | ||
| 252 | return 0; | ||
| 253 | } | ||
| 254 | |||
| 255 | |||
| 256 | |||
| 257 | int blake2b_init( blake2b_state *S, size_t outlen ) | ||
| 258 | { | ||
| 259 | blake2b_param P[1]; | ||
| 260 | |||
| 261 | if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return -1; | ||
| 262 | |||
| 263 | P->digest_length = (uint8_t)outlen; | ||
| 264 | P->key_length = 0; | ||
| 265 | P->fanout = 1; | ||
| 266 | P->depth = 1; | ||
| 267 | store32( &P->leaf_length, 0 ); | ||
| 268 | store32( &P->node_offset, 0 ); | ||
| 269 | store32( &P->xof_length, 0 ); | ||
| 270 | P->node_depth = 0; | ||
| 271 | P->inner_length = 0; | ||
| 272 | memset( P->reserved, 0, sizeof( P->reserved ) ); | ||
| 273 | memset( P->salt, 0, sizeof( P->salt ) ); | ||
| 274 | memset( P->personal, 0, sizeof( P->personal ) ); | ||
| 275 | return blake2b_init_param( S, P ); | ||
| 276 | } | ||
| 277 | |||
| 278 | |||
| 279 | int blake2b_init_key( blake2b_state *S, size_t outlen, const void *key, size_t keylen ) | ||
| 280 | { | ||
| 281 | blake2b_param P[1]; | ||
| 282 | |||
| 283 | if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return -1; | ||
| 284 | |||
| 285 | if ( !key || !keylen || keylen > BLAKE2B_KEYBYTES ) return -1; | ||
| 286 | |||
| 287 | P->digest_length = (uint8_t)outlen; | ||
| 288 | P->key_length = (uint8_t)keylen; | ||
| 289 | P->fanout = 1; | ||
| 290 | P->depth = 1; | ||
| 291 | store32( &P->leaf_length, 0 ); | ||
| 292 | store32( &P->node_offset, 0 ); | ||
| 293 | store32( &P->xof_length, 0 ); | ||
| 294 | P->node_depth = 0; | ||
| 295 | P->inner_length = 0; | ||
| 296 | memset( P->reserved, 0, sizeof( P->reserved ) ); | ||
| 297 | memset( P->salt, 0, sizeof( P->salt ) ); | ||
| 298 | memset( P->personal, 0, sizeof( P->personal ) ); | ||
| 299 | |||
| 300 | if( blake2b_init_param( S, P ) < 0 ) return -1; | ||
| 301 | |||
| 302 | { | ||
| 303 | uint8_t block[BLAKE2B_BLOCKBYTES]; | ||
| 304 | memset( block, 0, BLAKE2B_BLOCKBYTES ); | ||
| 305 | memcpy( block, key, keylen ); | ||
| 306 | blake2b_update( S, block, BLAKE2B_BLOCKBYTES ); | ||
| 307 | secure_zero_memory( block, BLAKE2B_BLOCKBYTES ); /* Burn the key from stack */ | ||
| 308 | } | ||
| 309 | return 0; | ||
| 310 | } | ||
| 311 | |||
| 312 | #define G(r,i,a,b,c,d) \ | ||
| 313 | do { \ | ||
| 314 | a = a + b + m[blake2b_sigma[r][2*i+0]]; \ | ||
| 315 | d = rotr64(d ^ a, 32); \ | ||
| 316 | c = c + d; \ | ||
| 317 | b = rotr64(b ^ c, 24); \ | ||
| 318 | a = a + b + m[blake2b_sigma[r][2*i+1]]; \ | ||
| 319 | d = rotr64(d ^ a, 16); \ | ||
| 320 | c = c + d; \ | ||
| 321 | b = rotr64(b ^ c, 63); \ | ||
| 322 | } while(0) | ||
| 323 | |||
| 324 | #define ROUND(r) \ | ||
| 325 | do { \ | ||
| 326 | G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \ | ||
| 327 | G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \ | ||
| 328 | G(r,2,v[ 2],v[ 6],v[10],v[14]); \ | ||
| 329 | G(r,3,v[ 3],v[ 7],v[11],v[15]); \ | ||
| 330 | G(r,4,v[ 0],v[ 5],v[10],v[15]); \ | ||
| 331 | G(r,5,v[ 1],v[ 6],v[11],v[12]); \ | ||
| 332 | G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \ | ||
| 333 | G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \ | ||
| 334 | } while(0) | ||
| 335 | |||
| 336 | static void blake2b_compress( blake2b_state *S, const uint8_t block[BLAKE2B_BLOCKBYTES] ) | ||
| 337 | { | ||
| 338 | uint64_t m[16]; | ||
| 339 | uint64_t v[16]; | ||
| 340 | size_t i; | ||
| 341 | |||
| 342 | for( i = 0; i < 16; ++i ) { | ||
| 343 | m[i] = load64( block + i * sizeof( m[i] ) ); | ||
| 344 | } | ||
| 345 | |||
| 346 | for( i = 0; i < 8; ++i ) { | ||
| 347 | v[i] = S->h[i]; | ||
| 348 | } | ||
| 349 | |||
| 350 | v[ 8] = blake2b_IV[0]; | ||
| 351 | v[ 9] = blake2b_IV[1]; | ||
| 352 | v[10] = blake2b_IV[2]; | ||
| 353 | v[11] = blake2b_IV[3]; | ||
| 354 | v[12] = blake2b_IV[4] ^ S->t[0]; | ||
| 355 | v[13] = blake2b_IV[5] ^ S->t[1]; | ||
| 356 | v[14] = blake2b_IV[6] ^ S->f[0]; | ||
| 357 | v[15] = blake2b_IV[7] ^ S->f[1]; | ||
| 358 | |||
| 359 | ROUND( 0 ); | ||
| 360 | ROUND( 1 ); | ||
| 361 | ROUND( 2 ); | ||
| 362 | ROUND( 3 ); | ||
| 363 | ROUND( 4 ); | ||
| 364 | ROUND( 5 ); | ||
| 365 | ROUND( 6 ); | ||
| 366 | ROUND( 7 ); | ||
| 367 | ROUND( 8 ); | ||
| 368 | ROUND( 9 ); | ||
| 369 | ROUND( 10 ); | ||
| 370 | ROUND( 11 ); | ||
| 371 | |||
| 372 | for( i = 0; i < 8; ++i ) { | ||
| 373 | S->h[i] = S->h[i] ^ v[i] ^ v[i + 8]; | ||
| 374 | } | ||
| 375 | } | ||
| 376 | |||
| 377 | #undef G | ||
| 378 | #undef ROUND | ||
| 379 | |||
| 380 | int blake2b_update( blake2b_state *S, const void *pin, size_t inlen ) | ||
| 381 | { | ||
| 382 | const unsigned char * in = (const unsigned char *)pin; | ||
| 383 | if( inlen > 0 ) | ||
| 384 | { | ||
| 385 | size_t left = S->buflen; | ||
| 386 | size_t fill = BLAKE2B_BLOCKBYTES - left; | ||
| 387 | if( inlen > fill ) | ||
| 388 | { | ||
| 389 | S->buflen = 0; | ||
| 390 | memcpy( S->buf + left, in, fill ); /* Fill buffer */ | ||
| 391 | blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES ); | ||
| 392 | blake2b_compress( S, S->buf ); /* Compress */ | ||
| 393 | in += fill; inlen -= fill; | ||
| 394 | while(inlen > BLAKE2B_BLOCKBYTES) { | ||
| 395 | blake2b_increment_counter(S, BLAKE2B_BLOCKBYTES); | ||
| 396 | blake2b_compress( S, in ); | ||
| 397 | in += BLAKE2B_BLOCKBYTES; | ||
| 398 | inlen -= BLAKE2B_BLOCKBYTES; | ||
| 399 | } | ||
| 400 | } | ||
| 401 | memcpy( S->buf + S->buflen, in, inlen ); | ||
| 402 | S->buflen += inlen; | ||
| 403 | } | ||
| 404 | return 0; | ||
| 405 | } | ||
| 406 | |||
| 407 | int blake2b_final( blake2b_state *S, void *out, size_t outlen ) | ||
| 408 | { | ||
| 409 | uint8_t buffer[BLAKE2B_OUTBYTES] = {0}; | ||
| 410 | size_t i; | ||
| 411 | |||
| 412 | if( out == NULL || outlen < S->outlen ) | ||
| 413 | return -1; | ||
| 414 | |||
| 415 | if( blake2b_is_lastblock( S ) ) | ||
| 416 | return -1; | ||
| 417 | |||
| 418 | blake2b_increment_counter( S, S->buflen ); | ||
| 419 | blake2b_set_lastblock( S ); | ||
| 420 | memset( S->buf + S->buflen, 0, BLAKE2B_BLOCKBYTES - S->buflen ); /* Padding */ | ||
| 421 | blake2b_compress( S, S->buf ); | ||
| 422 | |||
| 423 | for( i = 0; i < 8; ++i ) /* Output full hash to temp buffer */ | ||
| 424 | store64( buffer + sizeof( S->h[i] ) * i, S->h[i] ); | ||
| 425 | |||
| 426 | memcpy( out, buffer, S->outlen ); | ||
| 427 | secure_zero_memory(buffer, sizeof(buffer)); | ||
| 428 | return 0; | ||
| 429 | } | ||
| 430 | |||
| 431 | /* inlen, at least, should be uint64_t. Others can be size_t. */ | ||
| 432 | int blake2b( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen ) | ||
| 433 | { | ||
| 434 | blake2b_state S[1]; | ||
| 435 | |||
| 436 | /* Verify parameters */ | ||
| 437 | if ( NULL == in && inlen > 0 ) return -1; | ||
| 438 | |||
| 439 | if ( NULL == out ) return -1; | ||
| 440 | |||
| 441 | if( NULL == key && keylen > 0 ) return -1; | ||
| 442 | |||
| 443 | if( !outlen || outlen > BLAKE2B_OUTBYTES ) return -1; | ||
| 444 | |||
| 445 | if( keylen > BLAKE2B_KEYBYTES ) return -1; | ||
| 446 | |||
| 447 | if( keylen > 0 ) | ||
| 448 | { | ||
| 449 | if( blake2b_init_key( S, outlen, key, keylen ) < 0 ) return -1; | ||
| 450 | } | ||
| 451 | else | ||
| 452 | { | ||
| 453 | if( blake2b_init( S, outlen ) < 0 ) return -1; | ||
| 454 | } | ||
| 455 | |||
| 456 | blake2b_update( S, ( const uint8_t * )in, inlen ); | ||
| 457 | blake2b_final( S, out, outlen ); | ||
| 458 | return 0; | ||
| 459 | } | ||
| 460 | |||
| 461 | int blake2( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen ) { | ||
| 462 | return blake2b(out, outlen, in, inlen, key, keylen); | ||
| 463 | } | ||
| 464 | |||
| 465 | #if defined(SUPERCOP) | ||
| 466 | int crypto_hash( unsigned char *out, unsigned char *in, unsigned long long inlen ) | ||
| 467 | { | ||
| 468 | return blake2b( out, BLAKE2B_OUTBYTES, in, inlen, NULL, 0 ); | ||
| 469 | } | ||
| 470 | #endif | ||
| 471 | |||
| 472 | #if defined(BLAKE2B_SELFTEST) | ||
| 473 | #include <string.h> | ||
| 474 | #include "blake2-kat.h" | ||
| 475 | int main( void ) | ||
| 476 | { | ||
| 477 | uint8_t key[BLAKE2B_KEYBYTES]; | ||
| 478 | uint8_t buf[BLAKE2_KAT_LENGTH]; | ||
| 479 | size_t i, step; | ||
| 480 | |||
| 481 | for( i = 0; i < BLAKE2B_KEYBYTES; ++i ) | ||
| 482 | key[i] = ( uint8_t )i; | ||
| 483 | |||
| 484 | for( i = 0; i < BLAKE2_KAT_LENGTH; ++i ) | ||
| 485 | buf[i] = ( uint8_t )i; | ||
| 486 | |||
| 487 | /* Test simple API */ | ||
| 488 | for( i = 0; i < BLAKE2_KAT_LENGTH; ++i ) | ||
| 489 | { | ||
| 490 | uint8_t hash[BLAKE2B_OUTBYTES]; | ||
| 491 | blake2b( hash, BLAKE2B_OUTBYTES, buf, i, key, BLAKE2B_KEYBYTES ); | ||
| 492 | |||
| 493 | if( 0 != memcmp( hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES ) ) | ||
| 494 | { | ||
| 495 | goto fail; | ||
| 496 | } | ||
| 497 | } | ||
| 498 | |||
| 499 | /* Test streaming API */ | ||
| 500 | for(step = 1; step < BLAKE2B_BLOCKBYTES; ++step) { | ||
| 501 | for (i = 0; i < BLAKE2_KAT_LENGTH; ++i) { | ||
| 502 | uint8_t hash[BLAKE2B_OUTBYTES]; | ||
| 503 | blake2b_state S; | ||
| 504 | uint8_t * p = buf; | ||
| 505 | size_t mlen = i; | ||
| 506 | int err = 0; | ||
| 507 | |||
| 508 | if( (err = blake2b_init_key(&S, BLAKE2B_OUTBYTES, key, BLAKE2B_KEYBYTES)) < 0 ) { | ||
| 509 | goto fail; | ||
| 510 | } | ||
| 511 | |||
| 512 | while (mlen >= step) { | ||
| 513 | if ( (err = blake2b_update(&S, p, step)) < 0 ) { | ||
| 514 | goto fail; | ||
| 515 | } | ||
| 516 | mlen -= step; | ||
| 517 | p += step; | ||
| 518 | } | ||
| 519 | if ( (err = blake2b_update(&S, p, mlen)) < 0) { | ||
| 520 | goto fail; | ||
| 521 | } | ||
| 522 | if ( (err = blake2b_final(&S, hash, BLAKE2B_OUTBYTES)) < 0) { | ||
| 523 | goto fail; | ||
| 524 | } | ||
| 525 | |||
| 526 | if (0 != memcmp(hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES)) { | ||
| 527 | goto fail; | ||
| 528 | } | ||
| 529 | } | ||
| 530 | } | ||
| 531 | |||
| 532 | puts( "ok" ); | ||
| 533 | return 0; | ||
| 534 | fail: | ||
| 535 | puts("error"); | ||
| 536 | return -1; | ||
| 537 | } | ||
| 538 | #endif | ||
| 539 | |||
src/blake2b.cpp deleted-539| ... | @@ -1,539 +0,0 @@ | ||
| 1 | /* | ||
| 2 | BLAKE2 reference source code package - reference C implementations | ||
| 3 | |||
| 4 | Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the | ||
| 5 | terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at | ||
| 6 | your option. The terms of these licenses can be found at: | ||
| 7 | |||
| 8 | - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 | ||
| 9 | - OpenSSL license : https://www.openssl.org/source/license.html | ||
| 10 | - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 | ||
| 11 | |||
| 12 | More information about the BLAKE2 hash function can be found at | ||
| 13 | https://blake2.net. | ||
| 14 | */ | ||
| 15 | |||
| 16 | #include <stdint.h> | ||
| 17 | #include <string.h> | ||
| 18 | #include <stdio.h> | ||
| 19 | |||
| 20 | #include "blake2.h" | ||
| 21 | /* | ||
| 22 | BLAKE2 reference source code package - reference C implementations | ||
| 23 | |||
| 24 | Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the | ||
| 25 | terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at | ||
| 26 | your option. The terms of these licenses can be found at: | ||
| 27 | |||
| 28 | - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 | ||
| 29 | - OpenSSL license : https://www.openssl.org/source/license.html | ||
| 30 | - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 | ||
| 31 | |||
| 32 | More information about the BLAKE2 hash function can be found at | ||
| 33 | https://blake2.net. | ||
| 34 | */ | ||
| 35 | #ifndef BLAKE2_IMPL_H | ||
| 36 | #define BLAKE2_IMPL_H | ||
| 37 | |||
| 38 | #include <stdint.h> | ||
| 39 | #include <string.h> | ||
| 40 | |||
| 41 | #if !defined(__cplusplus) && (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L) | ||
| 42 | #if defined(_MSC_VER) | ||
| 43 | #define BLAKE2_INLINE __inline | ||
| 44 | #elif defined(__GNUC__) | ||
| 45 | #define BLAKE2_INLINE __inline__ | ||
| 46 | #else | ||
| 47 | #define BLAKE2_INLINE | ||
| 48 | #endif | ||
| 49 | #else | ||
| 50 | #define BLAKE2_INLINE inline | ||
| 51 | #endif | ||
| 52 | |||
| 53 | static BLAKE2_INLINE uint32_t load32( const void *src ) | ||
| 54 | { | ||
| 55 | #if defined(NATIVE_LITTLE_ENDIAN) | ||
| 56 | uint32_t w; | ||
| 57 | memcpy(&w, src, sizeof w); | ||
| 58 | return w; | ||
| 59 | #else | ||
| 60 | const uint8_t *p = ( const uint8_t * )src; | ||
| 61 | return (( uint32_t )( p[0] ) << 0) | | ||
| 62 | (( uint32_t )( p[1] ) << 8) | | ||
| 63 | (( uint32_t )( p[2] ) << 16) | | ||
| 64 | (( uint32_t )( p[3] ) << 24) ; | ||
| 65 | #endif | ||
| 66 | } | ||
| 67 | |||
| 68 | static BLAKE2_INLINE uint64_t load64( const void *src ) | ||
| 69 | { | ||
| 70 | #if defined(NATIVE_LITTLE_ENDIAN) | ||
| 71 | uint64_t w; | ||
| 72 | memcpy(&w, src, sizeof w); | ||
| 73 | return w; | ||
| 74 | #else | ||
| 75 | const uint8_t *p = ( const uint8_t * )src; | ||
| 76 | return (( uint64_t )( p[0] ) << 0) | | ||
| 77 | (( uint64_t )( p[1] ) << 8) | | ||
| 78 | (( uint64_t )( p[2] ) << 16) | | ||
| 79 | (( uint64_t )( p[3] ) << 24) | | ||
| 80 | (( uint64_t )( p[4] ) << 32) | | ||
| 81 | (( uint64_t )( p[5] ) << 40) | | ||
| 82 | (( uint64_t )( p[6] ) << 48) | | ||
| 83 | (( uint64_t )( p[7] ) << 56) ; | ||
| 84 | #endif | ||
| 85 | } | ||
| 86 | |||
| 87 | static BLAKE2_INLINE uint16_t load16( const void *src ) | ||
| 88 | { | ||
| 89 | #if defined(NATIVE_LITTLE_ENDIAN) | ||
| 90 | uint16_t w; | ||
| 91 | memcpy(&w, src, sizeof w); | ||
| 92 | return w; | ||
| 93 | #else | ||
| 94 | const uint8_t *p = ( const uint8_t * )src; | ||
| 95 | return ( uint16_t )((( uint32_t )( p[0] ) << 0) | | ||
| 96 | (( uint32_t )( p[1] ) << 8)); | ||
| 97 | #endif | ||
| 98 | } | ||
| 99 | |||
| 100 | static BLAKE2_INLINE void store16( void *dst, uint16_t w ) | ||
| 101 | { | ||
| 102 | #if defined(NATIVE_LITTLE_ENDIAN) | ||
| 103 | memcpy(dst, &w, sizeof w); | ||
| 104 | #else | ||
| 105 | uint8_t *p = ( uint8_t * )dst; | ||
| 106 | *p++ = ( uint8_t )w; w >>= 8; | ||
| 107 | *p++ = ( uint8_t )w; | ||
| 108 | #endif | ||
| 109 | } | ||
| 110 | |||
| 111 | static BLAKE2_INLINE void store32( void *dst, uint32_t w ) | ||
| 112 | { | ||
| 113 | #if defined(NATIVE_LITTLE_ENDIAN) | ||
| 114 | memcpy(dst, &w, sizeof w); | ||
| 115 | #else | ||
| 116 | uint8_t *p = ( uint8_t * )dst; | ||
| 117 | p[0] = (uint8_t)(w >> 0); | ||
| 118 | p[1] = (uint8_t)(w >> 8); | ||
| 119 | p[2] = (uint8_t)(w >> 16); | ||
| 120 | p[3] = (uint8_t)(w >> 24); | ||
| 121 | #endif | ||
| 122 | } | ||
| 123 | |||
| 124 | static BLAKE2_INLINE void store64( void *dst, uint64_t w ) | ||
| 125 | { | ||
| 126 | #if defined(NATIVE_LITTLE_ENDIAN) | ||
| 127 | memcpy(dst, &w, sizeof w); | ||
| 128 | #else | ||
| 129 | uint8_t *p = ( uint8_t * )dst; | ||
| 130 | p[0] = (uint8_t)(w >> 0); | ||
| 131 | p[1] = (uint8_t)(w >> 8); | ||
| 132 | p[2] = (uint8_t)(w >> 16); | ||
| 133 | p[3] = (uint8_t)(w >> 24); | ||
| 134 | p[4] = (uint8_t)(w >> 32); | ||
| 135 | p[5] = (uint8_t)(w >> 40); | ||
| 136 | p[6] = (uint8_t)(w >> 48); | ||
| 137 | p[7] = (uint8_t)(w >> 56); | ||
| 138 | #endif | ||
| 139 | } | ||
| 140 | |||
| 141 | static BLAKE2_INLINE uint64_t load48( const void *src ) | ||
| 142 | { | ||
| 143 | const uint8_t *p = ( const uint8_t * )src; | ||
| 144 | return (( uint64_t )( p[0] ) << 0) | | ||
| 145 | (( uint64_t )( p[1] ) << 8) | | ||
| 146 | (( uint64_t )( p[2] ) << 16) | | ||
| 147 | (( uint64_t )( p[3] ) << 24) | | ||
| 148 | (( uint64_t )( p[4] ) << 32) | | ||
| 149 | (( uint64_t )( p[5] ) << 40) ; | ||
| 150 | } | ||
| 151 | |||
| 152 | static BLAKE2_INLINE void store48( void *dst, uint64_t w ) | ||
| 153 | { | ||
| 154 | uint8_t *p = ( uint8_t * )dst; | ||
| 155 | p[0] = (uint8_t)(w >> 0); | ||
| 156 | p[1] = (uint8_t)(w >> 8); | ||
| 157 | p[2] = (uint8_t)(w >> 16); | ||
| 158 | p[3] = (uint8_t)(w >> 24); | ||
| 159 | p[4] = (uint8_t)(w >> 32); | ||
| 160 | p[5] = (uint8_t)(w >> 40); | ||
| 161 | } | ||
| 162 | |||
| 163 | static BLAKE2_INLINE uint32_t rotr32( const uint32_t w, const unsigned c ) | ||
| 164 | { | ||
| 165 | return ( w >> c ) | ( w << ( 32 - c ) ); | ||
| 166 | } | ||
| 167 | |||
| 168 | static BLAKE2_INLINE uint64_t rotr64( const uint64_t w, const unsigned c ) | ||
| 169 | { | ||
| 170 | return ( w >> c ) | ( w << ( 64 - c ) ); | ||
| 171 | } | ||
| 172 | |||
| 173 | /* prevents compiler optimizing out memset() */ | ||
| 174 | static BLAKE2_INLINE void secure_zero_memory(void *v, size_t n) | ||
| 175 | { | ||
| 176 | static void *(*const volatile memset_v)(void *, int, size_t) = &memset; | ||
| 177 | memset_v(v, 0, n); | ||
| 178 | } | ||
| 179 | |||
| 180 | #endif | ||
| 181 | |||
| 182 | static const uint64_t blake2b_IV[8] = | ||
| 183 | { | ||
| 184 | 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, | ||
| 185 | 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL, | ||
| 186 | 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL, | ||
| 187 | 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL | ||
| 188 | }; | ||
| 189 | |||
| 190 | static const uint8_t blake2b_sigma[12][16] = | ||
| 191 | { | ||
| 192 | { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } , | ||
| 193 | { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } , | ||
| 194 | { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } , | ||
| 195 | { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } , | ||
| 196 | { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } , | ||
| 197 | { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } , | ||
| 198 | { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } , | ||
| 199 | { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } , | ||
| 200 | { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } , | ||
| 201 | { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 } , | ||
| 202 | { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } , | ||
| 203 | { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } | ||
| 204 | }; | ||
| 205 | |||
| 206 | |||
| 207 | static void blake2b_set_lastnode( blake2b_state *S ) | ||
| 208 | { | ||
| 209 | S->f[1] = (uint64_t)-1; | ||
| 210 | } | ||
| 211 | |||
| 212 | /* Some helper functions, not necessarily useful */ | ||
| 213 | static int blake2b_is_lastblock( const blake2b_state *S ) | ||
| 214 | { | ||
| 215 | return S->f[0] != 0; | ||
| 216 | } | ||
| 217 | |||
| 218 | static void blake2b_set_lastblock( blake2b_state *S ) | ||
| 219 | { | ||
| 220 | if( S->last_node ) blake2b_set_lastnode( S ); | ||
| 221 | |||
| 222 | S->f[0] = (uint64_t)-1; | ||
| 223 | } | ||
| 224 | |||
| 225 | static void blake2b_increment_counter( blake2b_state *S, const uint64_t inc ) | ||
| 226 | { | ||
| 227 | S->t[0] += inc; | ||
| 228 | S->t[1] += ( S->t[0] < inc ); | ||
| 229 | } | ||
| 230 | |||
| 231 | static void blake2b_init0( blake2b_state *S ) | ||
| 232 | { | ||
| 233 | size_t i; | ||
| 234 | memset( S, 0, sizeof( blake2b_state ) ); | ||
| 235 | |||
| 236 | for( i = 0; i < 8; ++i ) S->h[i] = blake2b_IV[i]; | ||
| 237 | } | ||
| 238 | |||
| 239 | /* init xors IV with input parameter block */ | ||
| 240 | int blake2b_init_param( blake2b_state *S, const blake2b_param *P ) | ||
| 241 | { | ||
| 242 | const uint8_t *p = ( const uint8_t * )( P ); | ||
| 243 | size_t i; | ||
| 244 | |||
| 245 | blake2b_init0( S ); | ||
| 246 | |||
| 247 | /* IV XOR ParamBlock */ | ||
| 248 | for( i = 0; i < 8; ++i ) | ||
| 249 | S->h[i] ^= load64( p + sizeof( S->h[i] ) * i ); | ||
| 250 | |||
| 251 | S->outlen = P->digest_length; | ||
| 252 | return 0; | ||
| 253 | } | ||
| 254 | |||
| 255 | |||
| 256 | |||
| 257 | int blake2b_init( blake2b_state *S, size_t outlen ) | ||
| 258 | { | ||
| 259 | blake2b_param P[1]; | ||
| 260 | |||
| 261 | if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return -1; | ||
| 262 | |||
| 263 | P->digest_length = (uint8_t)outlen; | ||
| 264 | P->key_length = 0; | ||
| 265 | P->fanout = 1; | ||
| 266 | P->depth = 1; | ||
| 267 | store32( &P->leaf_length, 0 ); | ||
| 268 | store32( &P->node_offset, 0 ); | ||
| 269 | store32( &P->xof_length, 0 ); | ||
| 270 | P->node_depth = 0; | ||
| 271 | P->inner_length = 0; | ||
| 272 | memset( P->reserved, 0, sizeof( P->reserved ) ); | ||
| 273 | memset( P->salt, 0, sizeof( P->salt ) ); | ||
| 274 | memset( P->personal, 0, sizeof( P->personal ) ); | ||
| 275 | return blake2b_init_param( S, P ); | ||
| 276 | } | ||
| 277 | |||
| 278 | |||
| 279 | int blake2b_init_key( blake2b_state *S, size_t outlen, const void *key, size_t keylen ) | ||
| 280 | { | ||
| 281 | blake2b_param P[1]; | ||
| 282 | |||
| 283 | if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return -1; | ||
| 284 | |||
| 285 | if ( !key || !keylen || keylen > BLAKE2B_KEYBYTES ) return -1; | ||
| 286 | |||
| 287 | P->digest_length = (uint8_t)outlen; | ||
| 288 | P->key_length = (uint8_t)keylen; | ||
| 289 | P->fanout = 1; | ||
| 290 | P->depth = 1; | ||
| 291 | store32( &P->leaf_length, 0 ); | ||
| 292 | store32( &P->node_offset, 0 ); | ||
| 293 | store32( &P->xof_length, 0 ); | ||
| 294 | P->node_depth = 0; | ||
| 295 | P->inner_length = 0; | ||
| 296 | memset( P->reserved, 0, sizeof( P->reserved ) ); | ||
| 297 | memset( P->salt, 0, sizeof( P->salt ) ); | ||
| 298 | memset( P->personal, 0, sizeof( P->personal ) ); | ||
| 299 | |||
| 300 | if( blake2b_init_param( S, P ) < 0 ) return -1; | ||
| 301 | |||
| 302 | { | ||
| 303 | uint8_t block[BLAKE2B_BLOCKBYTES]; | ||
| 304 | memset( block, 0, BLAKE2B_BLOCKBYTES ); | ||
| 305 | memcpy( block, key, keylen ); | ||
| 306 | blake2b_update( S, block, BLAKE2B_BLOCKBYTES ); | ||
| 307 | secure_zero_memory( block, BLAKE2B_BLOCKBYTES ); /* Burn the key from stack */ | ||
| 308 | } | ||
| 309 | return 0; | ||
| 310 | } | ||
| 311 | |||
| 312 | #define G(r,i,a,b,c,d) \ | ||
| 313 | do { \ | ||
| 314 | a = a + b + m[blake2b_sigma[r][2*i+0]]; \ | ||
| 315 | d = rotr64(d ^ a, 32); \ | ||
| 316 | c = c + d; \ | ||
| 317 | b = rotr64(b ^ c, 24); \ | ||
| 318 | a = a + b + m[blake2b_sigma[r][2*i+1]]; \ | ||
| 319 | d = rotr64(d ^ a, 16); \ | ||
| 320 | c = c + d; \ | ||
| 321 | b = rotr64(b ^ c, 63); \ | ||
| 322 | } while(0) | ||
| 323 | |||
| 324 | #define ROUND(r) \ | ||
| 325 | do { \ | ||
| 326 | G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \ | ||
| 327 | G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \ | ||
| 328 | G(r,2,v[ 2],v[ 6],v[10],v[14]); \ | ||
| 329 | G(r,3,v[ 3],v[ 7],v[11],v[15]); \ | ||
| 330 | G(r,4,v[ 0],v[ 5],v[10],v[15]); \ | ||
| 331 | G(r,5,v[ 1],v[ 6],v[11],v[12]); \ | ||
| 332 | G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \ | ||
| 333 | G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \ | ||
| 334 | } while(0) | ||
| 335 | |||
| 336 | static void blake2b_compress( blake2b_state *S, const uint8_t block[BLAKE2B_BLOCKBYTES] ) | ||
| 337 | { | ||
| 338 | uint64_t m[16]; | ||
| 339 | uint64_t v[16]; | ||
| 340 | size_t i; | ||
| 341 | |||
| 342 | for( i = 0; i < 16; ++i ) { | ||
| 343 | m[i] = load64( block + i * sizeof( m[i] ) ); | ||
| 344 | } | ||
| 345 | |||
| 346 | for( i = 0; i < 8; ++i ) { | ||
| 347 | v[i] = S->h[i]; | ||
| 348 | } | ||
| 349 | |||
| 350 | v[ 8] = blake2b_IV[0]; | ||
| 351 | v[ 9] = blake2b_IV[1]; | ||
| 352 | v[10] = blake2b_IV[2]; | ||
| 353 | v[11] = blake2b_IV[3]; | ||
| 354 | v[12] = blake2b_IV[4] ^ S->t[0]; | ||
| 355 | v[13] = blake2b_IV[5] ^ S->t[1]; | ||
| 356 | v[14] = blake2b_IV[6] ^ S->f[0]; | ||
| 357 | v[15] = blake2b_IV[7] ^ S->f[1]; | ||
| 358 | |||
| 359 | ROUND( 0 ); | ||
| 360 | ROUND( 1 ); | ||
| 361 | ROUND( 2 ); | ||
| 362 | ROUND( 3 ); | ||
| 363 | ROUND( 4 ); | ||
| 364 | ROUND( 5 ); | ||
| 365 | ROUND( 6 ); | ||
| 366 | ROUND( 7 ); | ||
| 367 | ROUND( 8 ); | ||
| 368 | ROUND( 9 ); | ||
| 369 | ROUND( 10 ); | ||
| 370 | ROUND( 11 ); | ||
| 371 | |||
| 372 | for( i = 0; i < 8; ++i ) { | ||
| 373 | S->h[i] = S->h[i] ^ v[i] ^ v[i + 8]; | ||
| 374 | } | ||
| 375 | } | ||
| 376 | |||
| 377 | #undef G | ||
| 378 | #undef ROUND | ||
| 379 | |||
| 380 | int blake2b_update( blake2b_state *S, const void *pin, size_t inlen ) | ||
| 381 | { | ||
| 382 | const unsigned char * in = (const unsigned char *)pin; | ||
| 383 | if( inlen > 0 ) | ||
| 384 | { | ||
| 385 | size_t left = S->buflen; | ||
| 386 | size_t fill = BLAKE2B_BLOCKBYTES - left; | ||
| 387 | if( inlen > fill ) | ||
| 388 | { | ||
| 389 | S->buflen = 0; | ||
| 390 | memcpy( S->buf + left, in, fill ); /* Fill buffer */ | ||
| 391 | blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES ); | ||
| 392 | blake2b_compress( S, S->buf ); /* Compress */ | ||
| 393 | in += fill; inlen -= fill; | ||
| 394 | while(inlen > BLAKE2B_BLOCKBYTES) { | ||
| 395 | blake2b_increment_counter(S, BLAKE2B_BLOCKBYTES); | ||
| 396 | blake2b_compress( S, in ); | ||
| 397 | in += BLAKE2B_BLOCKBYTES; | ||
| 398 | inlen -= BLAKE2B_BLOCKBYTES; | ||
| 399 | } | ||
| 400 | } | ||
| 401 | memcpy( S->buf + S->buflen, in, inlen ); | ||
| 402 | S->buflen += inlen; | ||
| 403 | } | ||
| 404 | return 0; | ||
| 405 | } | ||
| 406 | |||
| 407 | int blake2b_final( blake2b_state *S, void *out, size_t outlen ) | ||
| 408 | { | ||
| 409 | uint8_t buffer[BLAKE2B_OUTBYTES] = {0}; | ||
| 410 | size_t i; | ||
| 411 | |||
| 412 | if( out == NULL || outlen < S->outlen ) | ||
| 413 | return -1; | ||
| 414 | |||
| 415 | if( blake2b_is_lastblock( S ) ) | ||
| 416 | return -1; | ||
| 417 | |||
| 418 | blake2b_increment_counter( S, S->buflen ); | ||
| 419 | blake2b_set_lastblock( S ); | ||
| 420 | memset( S->buf + S->buflen, 0, BLAKE2B_BLOCKBYTES - S->buflen ); /* Padding */ | ||
| 421 | blake2b_compress( S, S->buf ); | ||
| 422 | |||
| 423 | for( i = 0; i < 8; ++i ) /* Output full hash to temp buffer */ | ||
| 424 | store64( buffer + sizeof( S->h[i] ) * i, S->h[i] ); | ||
| 425 | |||
| 426 | memcpy( out, buffer, S->outlen ); | ||
| 427 | secure_zero_memory(buffer, sizeof(buffer)); | ||
| 428 | return 0; | ||
| 429 | } | ||
| 430 | |||
| 431 | /* inlen, at least, should be uint64_t. Others can be size_t. */ | ||
| 432 | int blake2b( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen ) | ||
| 433 | { | ||
| 434 | blake2b_state S[1]; | ||
| 435 | |||
| 436 | /* Verify parameters */ | ||
| 437 | if ( NULL == in && inlen > 0 ) return -1; | ||
| 438 | |||
| 439 | if ( NULL == out ) return -1; | ||
| 440 | |||
| 441 | if( NULL == key && keylen > 0 ) return -1; | ||
| 442 | |||
| 443 | if( !outlen || outlen > BLAKE2B_OUTBYTES ) return -1; | ||
| 444 | |||
| 445 | if( keylen > BLAKE2B_KEYBYTES ) return -1; | ||
| 446 | |||
| 447 | if( keylen > 0 ) | ||
| 448 | { | ||
| 449 | if( blake2b_init_key( S, outlen, key, keylen ) < 0 ) return -1; | ||
| 450 | } | ||
| 451 | else | ||
| 452 | { | ||
| 453 | if( blake2b_init( S, outlen ) < 0 ) return -1; | ||
| 454 | } | ||
| 455 | |||
| 456 | blake2b_update( S, ( const uint8_t * )in, inlen ); | ||
| 457 | blake2b_final( S, out, outlen ); | ||
| 458 | return 0; | ||
| 459 | } | ||
| 460 | |||
| 461 | int blake2( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen ) { | ||
| 462 | return blake2b(out, outlen, in, inlen, key, keylen); | ||
| 463 | } | ||
| 464 | |||
| 465 | #if defined(SUPERCOP) | ||
| 466 | int crypto_hash( unsigned char *out, unsigned char *in, unsigned long long inlen ) | ||
| 467 | { | ||
| 468 | return blake2b( out, BLAKE2B_OUTBYTES, in, inlen, NULL, 0 ); | ||
| 469 | } | ||
| 470 | #endif | ||
| 471 | |||
| 472 | #if defined(BLAKE2B_SELFTEST) | ||
| 473 | #include <string.h> | ||
| 474 | #include "blake2-kat.h" | ||
| 475 | int main( void ) | ||
| 476 | { | ||
| 477 | uint8_t key[BLAKE2B_KEYBYTES]; | ||
| 478 | uint8_t buf[BLAKE2_KAT_LENGTH]; | ||
| 479 | size_t i, step; | ||
| 480 | |||
| 481 | for( i = 0; i < BLAKE2B_KEYBYTES; ++i ) | ||
| 482 | key[i] = ( uint8_t )i; | ||
| 483 | |||
| 484 | for( i = 0; i < BLAKE2_KAT_LENGTH; ++i ) | ||
| 485 | buf[i] = ( uint8_t )i; | ||
| 486 | |||
| 487 | /* Test simple API */ | ||
| 488 | for( i = 0; i < BLAKE2_KAT_LENGTH; ++i ) | ||
| 489 | { | ||
| 490 | uint8_t hash[BLAKE2B_OUTBYTES]; | ||
| 491 | blake2b( hash, BLAKE2B_OUTBYTES, buf, i, key, BLAKE2B_KEYBYTES ); | ||
| 492 | |||
| 493 | if( 0 != memcmp( hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES ) ) | ||
| 494 | { | ||
| 495 | goto fail; | ||
| 496 | } | ||
| 497 | } | ||
| 498 | |||
| 499 | /* Test streaming API */ | ||
| 500 | for(step = 1; step < BLAKE2B_BLOCKBYTES; ++step) { | ||
| 501 | for (i = 0; i < BLAKE2_KAT_LENGTH; ++i) { | ||
| 502 | uint8_t hash[BLAKE2B_OUTBYTES]; | ||
| 503 | blake2b_state S; | ||
| 504 | uint8_t * p = buf; | ||
| 505 | size_t mlen = i; | ||
| 506 | int err = 0; | ||
| 507 | |||
| 508 | if( (err = blake2b_init_key(&S, BLAKE2B_OUTBYTES, key, BLAKE2B_KEYBYTES)) < 0 ) { | ||
| 509 | goto fail; | ||
| 510 | } | ||
| 511 | |||
| 512 | while (mlen >= step) { | ||
| 513 | if ( (err = blake2b_update(&S, p, step)) < 0 ) { | ||
| 514 | goto fail; | ||
| 515 | } | ||
| 516 | mlen -= step; | ||
| 517 | p += step; | ||
| 518 | } | ||
| 519 | if ( (err = blake2b_update(&S, p, mlen)) < 0) { | ||
| 520 | goto fail; | ||
| 521 | } | ||
| 522 | if ( (err = blake2b_final(&S, hash, BLAKE2B_OUTBYTES)) < 0) { | ||
| 523 | goto fail; | ||
| 524 | } | ||
| 525 | |||
| 526 | if (0 != memcmp(hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES)) { | ||
| 527 | goto fail; | ||
| 528 | } | ||
| 529 | } | ||
| 530 | } | ||
| 531 | |||
| 532 | puts( "ok" ); | ||
| 533 | return 0; | ||
| 534 | fail: | ||
| 535 | puts("error"); | ||
| 536 | return -1; | ||
| 537 | } | ||
| 538 | #endif | ||
| 539 | |||