34 #if defined(POLARSSL_MD2_C)
38 #if defined(POLARSSL_FS_IO) || defined(POLARSSL_SELF_TEST)
42 static const unsigned char PI_SUBST[256] =
44 0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01, 0x3D, 0x36,
45 0x54, 0xA1, 0xEC, 0xF0, 0x06, 0x13, 0x62, 0xA7, 0x05, 0xF3,
46 0xC0, 0xC7, 0x73, 0x8C, 0x98, 0x93, 0x2B, 0xD9, 0xBC, 0x4C,
47 0x82, 0xCA, 0x1E, 0x9B, 0x57, 0x3C, 0xFD, 0xD4, 0xE0, 0x16,
48 0x67, 0x42, 0x6F, 0x18, 0x8A, 0x17, 0xE5, 0x12, 0xBE, 0x4E,
49 0xC4, 0xD6, 0xDA, 0x9E, 0xDE, 0x49, 0xA0, 0xFB, 0xF5, 0x8E,
50 0xBB, 0x2F, 0xEE, 0x7A, 0xA9, 0x68, 0x79, 0x91, 0x15, 0xB2,
51 0x07, 0x3F, 0x94, 0xC2, 0x10, 0x89, 0x0B, 0x22, 0x5F, 0x21,
52 0x80, 0x7F, 0x5D, 0x9A, 0x5A, 0x90, 0x32, 0x27, 0x35, 0x3E,
53 0xCC, 0xE7, 0xBF, 0xF7, 0x97, 0x03, 0xFF, 0x19, 0x30, 0xB3,
54 0x48, 0xA5, 0xB5, 0xD1, 0xD7, 0x5E, 0x92, 0x2A, 0xAC, 0x56,
55 0xAA, 0xC6, 0x4F, 0xB8, 0x38, 0xD2, 0x96, 0xA4, 0x7D, 0xB6,
56 0x76, 0xFC, 0x6B, 0xE2, 0x9C, 0x74, 0x04, 0xF1, 0x45, 0x9D,
57 0x70, 0x59, 0x64, 0x71, 0x87, 0x20, 0x86, 0x5B, 0xCF, 0x65,
58 0xE6, 0x2D, 0xA8, 0x02, 0x1B, 0x60, 0x25, 0xAD, 0xAE, 0xB0,
59 0xB9, 0xF6, 0x1C, 0x46, 0x61, 0x69, 0x34, 0x40, 0x7E, 0x0F,
60 0x55, 0x47, 0xA3, 0x23, 0xDD, 0x51, 0xAF, 0x3A, 0xC3, 0x5C,
61 0xF9, 0xCE, 0xBA, 0xC5, 0xEA, 0x26, 0x2C, 0x53, 0x0D, 0x6E,
62 0x85, 0x28, 0x84, 0x09, 0xD3, 0xDF, 0xCD, 0xF4, 0x41, 0x81,
63 0x4D, 0x52, 0x6A, 0xDC, 0x37, 0xC8, 0x6C, 0xC1, 0xAB, 0xFA,
64 0x24, 0xE1, 0x7B, 0x08, 0x0C, 0xBD, 0xB1, 0x4A, 0x78, 0x88,
65 0x95, 0x8B, 0xE3, 0x63, 0xE8, 0x6D, 0xE9, 0xCB, 0xD5, 0xFE,
66 0x3B, 0x00, 0x1D, 0x39, 0xF2, 0xEF, 0xB7, 0x0E, 0x66, 0x58,
67 0xD0, 0xE4, 0xA6, 0x77, 0x72, 0xF8, 0xEB, 0x75, 0x4B, 0x0A,
68 0x31, 0x44, 0x50, 0xB4, 0x8F, 0xED, 0x1F, 0x1A, 0xDB, 0x99,
69 0x8D, 0x33, 0x9F, 0x11, 0x83, 0x14
77 memset( ctx->
cksum, 0, 16 );
78 memset( ctx->
state, 0, 46 );
79 memset( ctx->
buffer, 0, 16 );
88 for( i = 0; i < 16; i++ )
95 for( i = 0; i < 18; i++ )
97 for( j = 0; j < 48; j++ )
99 ctx->
state[j] = (
unsigned char)
100 ( ctx->
state[j] ^ PI_SUBST[t] );
104 t = (
unsigned char)( t + i );
109 for( i = 0; i < 16; i++ )
111 ctx->
cksum[i] = (
unsigned char)
126 if( ctx->
left + ilen > 16 )
127 fill = 16 - ctx->
left;
131 memcpy( ctx->
buffer + ctx->
left, input, fill );
137 if( ctx->
left == 16 )
153 x = (
unsigned char)( 16 - ctx->
left );
155 for( i = ctx->
left; i < 16; i++ )
163 memcpy( output, ctx->
state, 16 );
169 void md2(
const unsigned char *input,
size_t ilen,
unsigned char output[16] )
180 #if defined(POLARSSL_FS_IO)
184 int md2_file(
const char *path,
unsigned char output[16] )
189 unsigned char buf[1024];
191 if( ( f = fopen( path,
"rb" ) ) == NULL )
196 while( ( n = fread( buf, 1,
sizeof( buf ), f ) ) > 0 )
203 if( ferror( f ) != 0 )
220 unsigned char sum[16];
224 md2( key, keylen, sum );
229 memset( ctx->
ipad, 0x36, 16 );
230 memset( ctx->
opad, 0x5C, 16 );
232 for( i = 0; i < keylen; i++ )
234 ctx->
ipad[i] = (
unsigned char)( ctx->
ipad[i] ^ key[i] );
235 ctx->
opad[i] = (
unsigned char)( ctx->
opad[i] ^ key[i] );
241 memset( sum, 0,
sizeof( sum ) );
257 unsigned char tmpbuf[16];
265 memset( tmpbuf, 0,
sizeof( tmpbuf ) );
280 void md2_hmac(
const unsigned char *key,
size_t keylen,
281 const unsigned char *input,
size_t ilen,
282 unsigned char output[16] )
293 #if defined(POLARSSL_SELF_TEST)
298 static const char md2_test_str[7][81] =
303 {
"message digest" },
304 {
"abcdefghijklmnopqrstuvwxyz" },
305 {
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
306 {
"12345678901234567890123456789012345678901234567890123456789012" \
307 "345678901234567890" }
310 static const unsigned char md2_test_sum[7][16] =
312 { 0x83, 0x50, 0xE5, 0xA3, 0xE2, 0x4C, 0x15, 0x3D,
313 0xF2, 0x27, 0x5C, 0x9F, 0x80, 0x69, 0x27, 0x73 },
314 { 0x32, 0xEC, 0x01, 0xEC, 0x4A, 0x6D, 0xAC, 0x72,
315 0xC0, 0xAB, 0x96, 0xFB, 0x34, 0xC0, 0xB5, 0xD1 },
316 { 0xDA, 0x85, 0x3B, 0x0D, 0x3F, 0x88, 0xD9, 0x9B,
317 0x30, 0x28, 0x3A, 0x69, 0xE6, 0xDE, 0xD6, 0xBB },
318 { 0xAB, 0x4F, 0x49, 0x6B, 0xFB, 0x2A, 0x53, 0x0B,
319 0x21, 0x9F, 0xF3, 0x30, 0x31, 0xFE, 0x06, 0xB0 },
320 { 0x4E, 0x8D, 0xDF, 0xF3, 0x65, 0x02, 0x92, 0xAB,
321 0x5A, 0x41, 0x08, 0xC3, 0xAA, 0x47, 0x94, 0x0B },
322 { 0xDA, 0x33, 0xDE, 0xF2, 0xA4, 0x2D, 0xF1, 0x39,
323 0x75, 0x35, 0x28, 0x46, 0xC3, 0x03, 0x38, 0xCD },
324 { 0xD5, 0x97, 0x6F, 0x79, 0xD8, 0x3D, 0x3A, 0x0D,
325 0xC9, 0x80, 0x6C, 0x3C, 0x66, 0xF3, 0xEF, 0xD8 }
334 unsigned char md2sum[16];
336 for( i = 0; i < 7; i++ )
339 printf(
" MD2 test #%d: ", i + 1 );
341 md2( (
unsigned char *) md2_test_str[i],
342 strlen( md2_test_str[i] ), md2sum );
344 if( memcmp( md2sum, md2_test_sum[i], 16 ) != 0 )
347 printf(
"failed\n" );
353 printf(
"passed\n" );