]> git.cryptolib.org Git - avr-crypto-lib.git/blobdiff - main.c
prng renamed to entropium
[avr-crypto-lib.git] / main.c
diff --git a/main.c b/main.c
deleted file mode 100644 (file)
index f747ffe..0000000
--- a/main.c
+++ /dev/null
@@ -1,284 +0,0 @@
-/*
- * crypto-test
- * 
-*/
-
-
-#include "config.h"
-#include "serial-tools.h"
-#include "uart.h"
-#include "debug.h"
-
-#include "sha256.h"
-#include "xtea.h"
-#include "prng.h"
-#include "cast5.h"
-
-#include <stdint.h>
-#include <string.h>
-
-
-/*****************************************************************************
- *  additional validation-functions                                                                                     *
-*****************************************************************************/
-
-void shavs_rnd(sha256_hash_t seed){
-       uint8_t md[4][SHA256_HASH_BITS/8], buffer[3*SHA256_HASH_BITS/8];
-       uint8_t j;
-       uint16_t i;
-       
-       for(j=0; j< 100; ++j){
-               memcpy(md[0], seed, SHA256_HASH_BITS/8);
-               memcpy(md[1], seed, SHA256_HASH_BITS/8);
-               memcpy(md[2], seed, SHA256_HASH_BITS/8);
-               for(i=3; i<1003; ++i){
-                       memcpy(buffer+0*(SHA256_HASH_BITS/8), md[(i-3)%4], SHA256_HASH_BITS/8);
-                       memcpy(buffer+1*(SHA256_HASH_BITS/8), md[(i-2)%4], SHA256_HASH_BITS/8);
-                       memcpy(buffer+2*(SHA256_HASH_BITS/8), md[(i-1)%4], SHA256_HASH_BITS/8);
-                       sha256(((void*)md[i%4]), buffer, 3*SHA256_HASH_BITS);
-                       uart_putc('.');
-               }
-               /* OUTPUT */
-               --i;
-               uart_putstr("\r\nMD = ");
-               uart_hexdump(md[i%4], SHA256_HASH_BITS/8);
-               uart_putstr("\r\n");
-               memcpy(seed, (md[i%4]), SHA256_HASH_BITS/8);
-       }
-}
-
-/*****************************************************************************
- *  self tests                                                                                                                          *
-*****************************************************************************/
-void testrun_sha256(void){
-       uint8_t block[SHA256_BLOCK_BITS/8];
-       
-       uart_putstr("\r\nsha256(\"\", 0)= ");
-       sha256((void*)block, (void*)"\x00", 0);
-       uart_hexdump(block, SHA256_HASH_BITS/8);
-       
-
-        uart_putstr("\r\nsha256(0x80, 8)= ");
-       sha256((void*)block, (void*)"\x80", 8);
-       uart_hexdump(block, SHA256_HASH_BITS/8);
-
-       uart_putstr("\r\nsha256(0x02, 8)= ");
-        sha256((void*)block, (void*)"\x02", 8);
-       uart_hexdump(block, SHA256_HASH_BITS/8);
-
-
-       uart_putstr("\r\nsha256(\"abc\", 24)= ");
-       sha256((void*)block, (void*)"abc", 24);
-       uart_hexdump(block, SHA256_HASH_BITS/8);
-       
-       uart_putstr("\r\nsha256(\"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq\", 24)= ");
-       sha256((void*)block, (void*) "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 448);
-       uart_hexdump(block, SHA256_HASH_BITS/8);
-       
-       uart_putstr("\r\nsha256(1,000,000 x 'a')= ");
-       {
-               uint16_t i;
-               sha256_ctx_t s;
-               sha256_init(&s);
-               memset(block,'a',SHA256_BLOCK_BITS/8);
-               for(i=0; i<(1000000/(SHA256_BLOCK_BITS/8)); ++i){ /* 15625 times*/
-                       sha256_nextBlock(&s, block);
-               } 
-               sha256_lastBlock(&s, block, 0);
-               sha256_ctx2hash((void*)block, &s);
-       }
-       uart_hexdump(block, SHA256_HASH_BITS/8);
-}
-
-void testrun_xtea(void){
-       uint8_t block[8], block2[8];
-       uint8_t key [16];
-       
-       memcpy (block, "abcdefgh", 8);
-       memset (key, 0, 16);
-       memset (block2, 0, 8);
-       uart_putstr("\r\nxtea_enc(\"abcdefgh\", 0)= ");
-       xtea_enc((void*)block2, (void*)block, (void*)key);
-       uart_hexdump(block2, 8);
-       uart_putstr("\r\nxtea_dec(form above)= ");
-       xtea_dec((void*)block, (void*)block2, (void*)key);
-       uart_hexdump(block, 8);
-
-       memcpy (key, "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", 16);
-       uart_putstr("\r\nxtea_enc(\"abcdefgh\", 000102030405060708090a0b0c0d0e0f)= ");
-       xtea_enc((void*)block, (void*)block, (void*)key);
-       uart_hexdump(block, 8);
-       uart_putstr("\r\nxtea_dec(form above)= ");
-       xtea_dec((void*)block, (void*)block, (void*)key);
-       uart_hexdump(block, 8); 
-}
-
-#if 0
-
-void testrun_arcfour(void){
-       arcfour_ctx_t s;
-       char *b;
-       /* using wikipedia test-vectors:
-        *      RC4( "Key", "Plaintext" ) == "bbf316e8 d940af0a d3"
-        *      RC4( "Wiki", "pedia" ) == "1021bf0420"
-        *      RC4( "Secret", "Attack at dawn" ) == "45a01f64 5fc35b38 3552544b 9bf5"
-        **/
-       uart_putstr("\r\narcfour(\"Plaintext\", \"Key\")=");
-       arcfour_init(&s, (uint8_t*)"Key", 3);
-       b="Plaintext";
-       while (*b)
-               *b++ ^= arcfour_gen(&s);
-       uart_hexdump(b-9, 9);
-       
-       uart_putstr("\r\narcfour(\"pedia\", \"Wiki\")=");
-       arcfour_init(&s, (uint8_t*)"Wiki", 4);
-       b="pedia";
-       while (*b)
-               *b++ ^= arcfour_gen(&s);
-       uart_hexdump(b-5, 5);
-       
-       uart_putstr("\r\narcfour(\"Attack at dawn\", \"Secret\")=");
-       arcfour_init(&s, (uint8_t*)"Secret", 6);
-       b="Attack at dawn";
-       while (*b)
-               *b++ ^= arcfour_gen(&s);
-       uart_hexdump(b-14, 14);
-       
-       uart_putstr("\r\narcfour(00.00.00.00.00.00.00.00, 01.23.45.67.89.AB.CD.EF)=");
-       arcfour_init(&s, (uint8_t*)"\x01\x23\x45\x67\x89\xAB\xCD\xEF", 8);
-       int i=0;
-       uint8_t a[8];
-       memset(a, 0 , 8);
-       while (i < 8)
-               a[i++] ^= arcfour_gen(&s);
-       uart_hexdump(a, 8);     
-}
-
-#endif
-
-void testrun_prng(void){
-       uint8_t i,block[32];
-       uart_putstr("\r\naddEntropy(32, 0x00000000)");
-       addEntropy(32,"\x00\x00\x00\x00");
-       for(i=0;i<12;++i){
-               getRandomBlock((void*)block);
-               uart_putstr("\r\n");
-               uart_hexdump(block, 32);
-       }
-}
-
-void testrun_cast5(void){
-       cast5_ctx_t s;
-       uint8_t i;
-       uart_putstr("\r\nCAST5:\r\nkey: 01 23 45 67 34 56 78 23 45 67 89 34 56 78 9A");
-       cast5_init(&s, (uint8_t*)"\x01\x23\x45\x67\x12\x34\x56\x78\x23\x45\x67\x89\x34\x56\x78\x9A", 128);
-       uint8_t block[] = {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF};
-       uart_putstr("\r\nplaintext: ");
-       uart_hexdump(block, 8);
-       cast5_enc(&s, block);
-       uart_putstr("\r\nciphertext: ");
-       uart_hexdump(block, 8);
-       for(i=0; i<16; ++i){
-               uart_putstr("\r\nK"); uart_putc('0'+(i+1)/10); uart_putc('0'+(i+1)%10); uart_putstr(": ");
-               uart_hexdump(&(s.mask[i]),4);
-       }
-}
-
-/*****************************************************************************
- *  main                                                                                                                                        *
- *****************************************************************************/
-
-int main (void){
-       uint64_t length=0;
-       sha256_ctx_t s;
-       char str[20];
-       int i;
-       uint8_t block[SHA256_BLOCK_BITS/8];
-       
-       DEBUG_INIT();
-       
-       sha256_init(&s);
-       uart_putstr("\r\n");
-
-       uart_putstr("\r\n\r\nCrypto-VS\r\nloaded and running\r\n");
-restart:
-       while(1){ 
-               if (!getnextwordn(str,20))  {DEBUG_S("DBG: W1\r\n"); goto error;}
-               if (strcmp(str, "REQ")) {DEBUG_S("DBG: 1b\r\n"); goto error;}
-               if (!getnextwordn(str,20))  {DEBUG_S("DBG: W2\r\n"); goto error;}
-               if (strcmp(str, "SHA256")) {
-                       if (strcmp(str, "test")){DEBUG_S("DBG: 1d\r\n"); goto error;};
-                       /* use some fixed test-vectors and all Algos */
-                                       uart_putstr("\r\n intergrated selftests:\r\n");
-                               testrun_xtea();
-                                       uart_putstr("\r\n");
-                               testrun_prng();
-                                       uart_putstr("\r\n");
-                               testrun_cast5();
-                                       uart_putstr("\r\n");
-               //              testrun_arcfour();
-               //                      uart_putstr("\r\n");
-                               testrun_sha256();
-                       goto restart;
-               }
-               if (!getnextwordn(str,20)) {DEBUG_S("DBG: W4\r\n"); goto error;}
-               if (strcmp(str, "Len=")) {
-       /* 1d9370cdccba99b23670e2e0d6514001006f50d3c7a453201d2776f03c5e58fd */
-       /*      f41ece26 13e45739 15696b5a dcd51ca3
-               28be3bf5 66a9ca99 c9ceb027 9c1cb0a7
-        */
-                       if(strcmp(str, "rnd")){DEBUG_S("DBG: 2b\r\n"); goto error;}
-                       sha256_hash_t seed = {0x1d, 0x93, 0x70, 0xcd, 0xcc, 0xba, 0x99, 0xb2, 0x36, 0x70,
-                                                                 0xe2, 0xe0, 0xd6, 0x51, 0x40, 0x01, 0x00, 0x6f, 0x50, 0xd3,
-                                                         0xc7, 0xa4, 0x53, 0x20, 0x1d, 0x27, 0x76, 0xf0, 0x3c, 0x5e,
-                                                                 0x58, 0xfd  }; /*
-                               { 0xf4, 0x1e, 0xce, 0x26,  0x13, 0xe4, 0x57, 0x39,  0x15, 0x69, 0x6b, 0x5a,  0xdc, 0xd5, 0x1c, 0xa3, 
-                               0x28, 0xbe, 0x3b, 0xf5,  0x66, 0xa9, 0xca, 0x99,  0xc9, 0xce, 0xb0, 0x27,  0x9c, 0x1c, 0xb0, 0xa7 };
-                       //      */
-                       shavs_rnd(seed);
-                       goto restart;
-                       
-                       }
-               if (!getnextwordn(str,20)) {DEBUG_S("DBG: W5\r\n"); goto error;}
-               {       
-                       length=0;
-                       i=0;
-                       while (str[i]){ /* we should check for error here */
-                               length *= 10;
-                               length += str[i++] - '0';
-                       }
-               };
-//             DEBUG_S("\r\nDBG: Length="); DEBUG_B(length&0xff); DEBUG_S("\r\n");
-//             DEBUG_S("A");
-               sha256_init(&s);
-//             DEBUG_S("B");
-               if (!getnextwordn(str,20)) {DEBUG_S("DBG: W6\r\n"); goto error;}
-//             DEBUG_S("b2");
-               if (strcmp(str, "Msg=")) {DEBUG_S("DBG: 4b\r\n"); goto error;}  
-//             DEBUG_S("b3");
-               {
-                       memset(block, 0, SHA256_BLOCK_BITS/8);
-//                     DEBUG_S("b3.0");
-                       while (length>=SHA256_BLOCK_BITS){
-                               readhex2buffer(block, SHA256_BLOCK_BITS/8);
-//                     DEBUG_S("b3.1");
-                               sha256_nextBlock(&s, block); 
-//                     DEBUG_S("b3.2");
-                               length -= SHA256_BLOCK_BITS;
-                       }
-//             DEBUG_S("C");   
-                       readhex2buffer(block, (length/8) + ((length&0x7)?1:0) + ((length)?0:1));
-//             DEBUG_S("D");   
-                       sha256_lastBlock(&s, block, length);
-//             DEBUG_S("E");   
-                       sha256_ctx2hash((void*)block, &s);
-                       uart_putstr("\n\rMD= ");
-                       uart_hexdump(block, SHA256_HASH_BITS/8);
-                       uart_putstr("\n\r\n\r");
-               }               
-               continue;
-       error:
-               uart_putstr("ERROR\r\n");
-       } /* while (1) */
-}
-