diff --git a/prj/Matasano.sublime-workspace b/prj/Matasano.sublime-workspace index 1fd21ce..ce3eeb0 100644 --- a/prj/Matasano.sublime-workspace +++ b/prj/Matasano.sublime-workspace @@ -3,6 +3,30 @@ { "selected_items": [ + [ + "outbuf", + "outbuf_cursor" + ], + [ + "uin", + "uint32_t" + ], + [ + "uint", + "uint32_t" + ], + [ + "inc", + "increment" + ], + [ + "enc", + "encode" + ], + [ + "expe", + "expected_result" + ], [ "padd", "padded_attribs" @@ -59,10 +83,6 @@ "local", "local_input_len" ], - [ - "expe", - "expected_no_padding_dec" - ], [ "attri", "attribs_openssl_dec" @@ -95,14 +115,6 @@ "random", "random_bytes" ], - [ - "uint", - "uint8_t" - ], - [ - "uin", - "uint8_t" - ], [ "u", "uint32_t" @@ -502,31 +514,124 @@ [ "iAxi", "iAxisErrorObject" - ], - [ - "DUCo", - "DUCommandGetConState" - ], - [ - "DU", - "DUCommandGetConState" - ], - [ - "isDecod", - "isDecodeCnxOriginSet" ] ] }, "buffers": [ { - "contents": "#include \"src/common.h\"\n#include \"src/pkcs7.h\"\n#include \"src/enc_modes.h\"\n#include \"src/base64.h\"\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \"set2.h\"\n\nResult_t OpenSSL::Cbc(CryptoAttribs_t* i_attribs,\n const Key_t* const i_key)\n{\n if(NULL==i_attribs->output)\n {\n i_attribs->output = (uint8_t*) malloc(i_attribs->input_len);\n }\n\n int ret=0;\n EVP_CIPHER_CTX ctx;\n EVP_CIPHER_CTX_init(&ctx);\n OP_CHECK(\n EVP_CipherInit_ex(&ctx, EVP_aes_128_cbc(), NULL, i_key->key, i_attribs->iv,\n i_attribs->operation==kEncrypt ? 1 : 0));\n EVP_CIPHER_CTX_set_padding(&ctx, 0);\n EVP_CIPHER_CTX_set_key_length(&ctx, i_key->len);\n\n OP_CHECK(\n EVP_CipherUpdate(&ctx, i_attribs->output, &ret, i_attribs->input,\n i_attribs->input_len));\n i_attribs->output_len = ret;\n OP_CHECK(\n EVP_CipherFinal_ex(&ctx, &i_attribs->output[ret], &ret));\n i_attribs->output_len += ret;\n EVP_CIPHER_CTX_cleanup(&ctx);\n return Result_OK;\n\nend:\n return Result_Error;\n}\n\nTCASE(ecb_encrypt_decrypt_single_block)\n{\n static const uint8_t expected_result[17] = \"0123456789123456\";\n CryptoAttribs_t encode, decode;\n Key_t key1;\n CryptoAttribs_t::Init(&encode);\n CryptoAttribs_t::Init(&decode);\n Key_t::Init(&key1);\n\n encode.input = (uint8_t*)malloc(16);\n encode.input_len=16;\n decode.input = (uint8_t*)malloc(16);\n decode.input_len=16;\n key1.key = (uint8_t*)malloc(16);\n key1.len = 16;\n\n memcpy(key1.key, \"YELLOW SUBMARINE\", 16);\n memcpy(encode.input, expected_result, 16);\n CHECK(ecb_encrypt(&encode, &key1) == Result_OK);\n CHECK(encode.output_len==16);\n\n memcpy(decode.input, encode.output, 16);\n ecb_decrypt(&decode, &key1);\n CHECK(decode.output_len == 16);\n\n CHECK(memcmp(decode.output, expected_result, 16) == 0);\n\n CryptoAttribs_t::Free(&encode);\n CryptoAttribs_t::Free(&decode);\n Key_t::Free(&key1);\n}\nTCASE_E\n\nTCASE(set2_challange9)\n{\n const uint8_t text1[] = \"Text1\";\n uint8_t unpadded[32] = {0};\n uint8_t* p_unpadded = &unpadded[0];\n\n int ret;\n uint8_t buff1[32];\n uint8_t* p_buff1 = &buff1[0];\n char buff2[10];\n\n ret = pkcs7_pad(text1, 5, &p_buff1, 32);\n CHECK(ret==true, (const unsigned char* const) \"Padding operation failed\");\n ret = memcmp(text1, buff1, 5);\n CHECK(ret==0, (const unsigned char* const) \"Content differs\");\n for(int i=5; i<32; i++)\n {\n CHECK(buff1[i] == 27, (const unsigned char* const) \"Wrong padding\");\n }\n\n size_t unpad_len = 0;\n CHECK( pkcs7_unpad(&buff1[0], 32, &p_unpadded, &unpad_len) );\n CHECK(unpad_len == 5, (const uint8_t*) \"Unpadded length wrong\");\n CHECK( 0==memcmp(text1, unpadded, unpad_len) );\n}\nTCASE_E\n\nTCASE(set2_challange10)\n{\n static const uint8_t expected_result[34] = \"I'm back and I'm ringin' the bell\";\n CryptoAttribs_t attribs;\n Key_t key;\n Result_t res = Result_Error;\n\n Key_t::Init(&key);\n key.len = 16;\n key.key = (uint8_t*) malloc(key.len);\n memcpy(key.key,\"YELLOW SUBMARINE\",key.len);\n\n CryptoAttribs_t::Init(&attribs);\n attribs.iv = (uint8_t*) malloc(key.len);\n attribs.iv_len = key.len;\n memset(attribs.iv, 0, attribs.iv_len);\n\n res = load_base64_to_hex(\n \"sol/etc/set2_t2.txt\",\n &(attribs.input),\n &(attribs.input_len));\n CHECK(res == Result_OK, (const uint8_t*) \"Problem when loading input file\");\n cbc_decrypt(&attribs, &key);\n CHECK( memcmp(expected_result, attribs.output, 33) == 0, (const uint8_t*)\n \"Wrong plaintext decrypted\");\n // cleanup\n CryptoAttribs_t::Free(&attribs);\n Key_t::Free(&key);\n}\nTCASE_E\n\nTCASE(cbc_enc_dec_test)\n{\n static const uint8_t test_text[49] = \"The quick brown fox jumps over the lazy mad dog.\";\n CryptoAttribs_t enc_attribs;\n CryptoAttribs_t dec_attribs;\n Key_t key;\n CryptoAttribs_t::Init(&enc_attribs);\n CryptoAttribs_t::Init(&dec_attribs);\n Key_t::Init(&key);\n\n // Setup key\n key.len = 16;\n key.key = (uint8_t*) malloc(key.len);\n memcpy(key.key, \"0123456789123456\", key.len);\n\n // Encrypt\n enc_attribs.input_len = sizeof(test_text)-1;\n enc_attribs.input = (uint8_t*) malloc(enc_attribs.input_len);\n enc_attribs.operation = kEncrypt;\n memcpy( enc_attribs.input, test_text, enc_attribs.input_len);\n enc_attribs.iv_len = key.len;\n enc_attribs.iv = (uint8_t*)malloc(enc_attribs.iv_len);\n memset(enc_attribs.iv, 0, enc_attribs.iv_len);\n cbc_encrypt(&enc_attribs, &key);\n\n // Setup decryption object.\n dec_attribs.iv = (uint8_t*)malloc( enc_attribs.iv_len );\n dec_attribs.iv_len = enc_attribs.iv_len;\n dec_attribs.operation = kDecrypt;\n memset(dec_attribs.iv, 0, dec_attribs.iv_len);\n dec_attribs.input = (uint8_t*)malloc(enc_attribs.output_len);\n dec_attribs.input_len = enc_attribs.output_len;\n memcpy(dec_attribs.input, enc_attribs.output, enc_attribs.output_len);\n\n // Decrypt\n cbc_decrypt(&dec_attribs, &key);\n CHECK( dec_attribs.output_len+1 == sizeof(test_text), (uint8_t*) \"wrong size of ouptut\");\n CHECK(memcmp(dec_attribs.output, test_text, dec_attribs.output_len) == 0, dec_attribs.output);\n\nend:\n CryptoAttribs_t::Free(&enc_attribs);\n CryptoAttribs_t::Free(&dec_attribs);\n Key_t::Free(&key);\n}\nTCASE_E\n\nTCASE(encode_decode_openssl)\n{\n uint8_t concatenated_blocks[16*3];\n uint8_t iv1[16] = {0};\n uint8_t key[17] = \"YELLOW SUBMARINE\"; // 16+'\\0' = 17\n memset(concatenated_blocks, 2, 16);\n memset(&concatenated_blocks[16], 5, 16);\n memset(&concatenated_blocks[32], 9, 16);\n\n RAND_bytes(iv1, 16);\n Key_t keyObj;\n keyObj.key = &key[0];\n keyObj.len = 16;\n\n // 1. decryption test\n {\n CryptoAttribs_t attribs_openssl_enc;\n CryptoAttribs_t::Init(&attribs_openssl_enc);\n attribs_openssl_enc.input = concatenated_blocks;\n attribs_openssl_enc.input_len = sizeof(concatenated_blocks);\n attribs_openssl_enc.output = (uint8_t*)malloc(attribs_openssl_enc.input_len);\n attribs_openssl_enc.output_len;\n attribs_openssl_enc.iv = &iv1[0];\n attribs_openssl_enc.iv_len = sizeof(iv1);\n attribs_openssl_enc.operation = kEncrypt;\n CHECK(OpenSSL::Cbc(&attribs_openssl_enc, &keyObj)==Result_OK);\n CHECK(attribs_openssl_enc.output_len==48, (uint8_t*)\"Ciphertext has wrong size\");//\n CryptoAttribs_t cbc_attribs;\n CryptoAttribs_t::Init(&cbc_attribs);\n cbc_attribs.input = attribs_openssl_enc.output;\n cbc_attribs.input_len = attribs_openssl_enc.output_len;\n cbc_attribs.iv = &iv1[0];\n cbc_attribs.iv_len = sizeof(iv1);\n CHECK( Result_OK == cbc_decrypt(&cbc_attribs, &keyObj) );\n CHECK(\n memcmp( concatenated_blocks,\n cbc_attribs.output,\n cbc_attribs.output_len) == 0,\n (uint8_t*)\"Input/Output differs\");\n ::free(attribs_openssl_enc.output);\n ::free(cbc_attribs.output);\n }\n // 2. encryption test\n {\n CryptoAttribs_t attribs_enc;\n CryptoAttribs_t::Init(&attribs_enc);\n attribs_enc.input = concatenated_blocks;\n attribs_enc.input_len = sizeof(concatenated_blocks);\n attribs_enc.iv = &iv1[0];\n attribs_enc.iv_len = sizeof(iv1);\n attribs_enc.operation = kEncrypt;\n CHECK( Result_OK == cbc_encrypt(&attribs_enc, &keyObj) );\n CHECK( 48 == attribs_enc.output_len );\n CHECK( NULL != attribs_enc.output );\n\n CryptoAttribs_t attribs_openssl_dec;\n CryptoAttribs_t::Init(&attribs_openssl_dec);\n attribs_openssl_dec.input = attribs_enc.output;\n attribs_openssl_dec.input_len = attribs_enc.output_len;\n attribs_openssl_dec.iv = &iv1[0];\n attribs_openssl_dec.iv_len = sizeof(iv1);\n attribs_openssl_dec.operation = kDecrypt;\n CHECK(OpenSSL::Cbc(&attribs_openssl_dec, &keyObj)==Result_OK);\n CHECK(attribs_openssl_dec.output_len==48, (uint8_t*)\"Ciphertext has wrong size\");\n CHECK(\n memcmp( concatenated_blocks,\n attribs_openssl_dec.output,\n attribs_openssl_dec.output_len) == 0,\n (uint8_t*)\"Input/Output differs\");\n ::free(attribs_enc.output);\n ::free(attribs_openssl_dec.output);\n }\n}\nTCASE_E\n\n/* -------------------------------------------------------------------------\n Checks if ciphertext is encrypted with ECB or CBC.\n Requirement: In order to work, plaintext must encrypt up to 6 blocks (with\n padding) and all the letters in the PT must be exactly the same.\n Returns:\n * 0 : if ciphertext encrypted with ECB\n * 1 : if ciphertext encrypted with CBC\n * 0xFF: in case wrong input parameters provided\n -------------------------------------------------------------------------*/\nuint8_t check_ciphertext(const uint8_t* ciphertext, uint32_t len )\n{\n uint32_t bs = 16;\n if( (len < 6*bs) || (len>7*bs) )\n return 0xFF;\n\n // check blocks 2,3,4 as first have prepaned bytes, 5th also, 6th can have padding\n // eventually 7th may be fully padded.\n for(uint32_t i=1; i<4; ++i)\n {\n if( memcmp(ciphertext+(bs*i), ciphertext+(bs*(i+1)), bs) != 0)\n return 1; // Two blocks differ -> must be CBC\n }\n return 0; // All checked blocks are the same -> ECB\n}\n\nResult_t encryption_oracle( const uint8_t* pt,\n uint32_t pt_len,\n uint8_t* ct,\n uint32_t* ct_len,\n uint8_t* mode)\n{\n uint8_t iv1[16] = {0};\n uint8_t key[16] = {0};\n uint8_t prepend_byte_size;\n uint8_t append_byte_size;\n uint8_t random_bytes[10];\n uint8_t encryption_mode = 0xFF;\n struct timespec tv;\n CryptoAttribs_t attribs;\n Key_t keyObj;\n\n // get seed for good randomnes\n clock_gettime(CLOCK_MONOTONIC, &tv);\n srand((unsigned int)tv.tv_nsec);\n\n // choose random sizes and enc mode (0 ECB, 1 CBC)\n prepend_byte_size = 5+(rand() % 6);\n append_byte_size = 5+(rand() % 6);\n encryption_mode = rand() % 2;\n\n // generate rando data\n RAND_bytes(iv1, 16);\n RAND_bytes(key, 16);\n\n // initialize encryption attribs\n CryptoAttribs_t::Init(&attribs);\n attribs.operation = kEncrypt;\n attribs.input_len = 0;\n attribs.input = (uint8_t*)malloc(7*16);\n attribs.output_len = 0;\n attribs.output = (uint8_t*)malloc(7*16);\n attribs.padding = kPadding_PKCS7;\n\n // copy input to the input buffer\n RAND_bytes(random_bytes, prepend_byte_size);\n int tmplen=0;\n memcpy(attribs.input+tmplen, random_bytes, prepend_byte_size);\n tmplen+=prepend_byte_size;\n memcpy(attribs.input+tmplen, pt, pt_len);\n tmplen+=pt_len;\n RAND_bytes(random_bytes, append_byte_size);\n memcpy(attribs.input+tmplen, random_bytes, append_byte_size);\n tmplen+=append_byte_size;\n attribs.input_len = tmplen;\n\n // key\n Key_t::Init(&keyObj);\n keyObj.key = key;\n keyObj.len = 16;\n\n Result_t ret = Result_OK;\n do\n {\n if(encryption_mode)\n {\n attribs.iv = (uint8_t*)malloc(16);\n attribs.iv_len = 16;\n RAND_bytes(attribs.iv, 16);\n if( Result_OK!=cbc_encrypt(&attribs, &keyObj) )\n {\n ret = Result_Error;\n break;\n }\n }\n else\n {\n if( Result_OK!=ecb_encrypt(&attribs, &keyObj) )\n {\n ret = Result_Error;\n break;\n }\n }\n\n // Copy results\n memcpy(ct, attribs.output, attribs.output_len);\n *ct_len = attribs.output_len;\n *mode = encryption_mode;\n\n ret = Result_OK;\n } while(false);\n\n CryptoAttribs_t::Free(&attribs);\n return ret;\n}\n\nTCASE(set2_challange11)\n{\n // let's run it 1000 times\n for(size_t i=0; i<1000; ++i)\n {\n uint8_t plaintext[5*16] = {0};\n uint8_t ciphertext[7*16] = {0};\n uint8_t mode = 0xFF;\n uint8_t guessed_mode = 0xFF;\n uint32_t ciphertext_len = 7*16;\n\n // set data in blocks so that 5 blocks is 11111...\n memset(plaintext, 1, 5*16);\n Result_t ret = encryption_oracle(plaintext, 5*16, ciphertext, &ciphertext_len, &mode);\n CHECK(ret == Result_OK, (uint8_t*)\"Error occured on encryption\");\n CHECK(mode != 0xFF);\n\n guessed_mode = check_ciphertext(ciphertext, ciphertext_len);\n CHECK(mode == guessed_mode);\n }\n}\nTCASE_E\n\nTCASE(encrypt_padding_pkcs7)\n{\n uint8_t text[3] = {'D', 'E', 'F'};\n uint8_t expected_no_padding_dec[16] = {0};\n uint8_t iv[16] = {0};\n uint8_t key[16] = {0};\n\n // \"ABC\" must be padded with 13,13,13....\n memcpy(expected_no_padding_dec, text, 3);\n memset(expected_no_padding_dec+3, 13, 13);\n\n // key\n Key_t keyObj = {0};\n Key_t::Init(&keyObj);\n keyObj.key = key;\n keyObj.len = 16;\n\n CryptoAttribs_t attribs_enc;\n CryptoAttribs_t::Init(&attribs_enc);\n attribs_enc.input = &text[0];\n attribs_enc.input_len = 3;\n attribs_enc.iv = &iv[0];\n attribs_enc.iv_len = sizeof(iv);\n attribs_enc.operation = kEncrypt;\n attribs_enc.padding = kPadding_PKCS7;\n CHECK( Result_OK == cbc_encrypt(&attribs_enc, &keyObj) );\n CHECK( attribs_enc.output_len == 16, (uint8_t*) \"Wrong out size\");\n\n // Decrypt with openssl and no padding. Check padding value\n {\n CryptoAttribs_t attribs_openssl_dec;\n CryptoAttribs_t::Init(&attribs_openssl_dec);\n attribs_openssl_dec.input = attribs_enc.output;\n attribs_openssl_dec.input_len = attribs_enc.output_len;\n attribs_openssl_dec.iv = &iv[0];\n attribs_openssl_dec.iv_len = sizeof(iv);\n attribs_openssl_dec.operation = kDecrypt;\n attribs_openssl_dec.padding = kPadding_None;\n CHECK(OpenSSL::Cbc(&attribs_openssl_dec, &keyObj)==Result_OK);\n CHECK(attribs_openssl_dec.output_len==16, (uint8_t*)\"Ciphertext has wrong size\");\n CHECK( 0==memcmp( attribs_openssl_dec.output,\n expected_no_padding_dec,\n 16), (uint8_t*)\"Wrong padding decrypted\" );\n\n ::free(attribs_openssl_dec.output);\n }\n\n // Decrypt padding\n {\n CryptoAttribs_t attribs_dec;\n CryptoAttribs_t::Init(&attribs_dec);\n attribs_dec.input = attribs_enc.output;\n attribs_dec.input_len = attribs_enc.output_len;\n attribs_dec.iv = &iv[0];\n attribs_dec.iv_len = sizeof(iv);\n attribs_dec.operation = kDecrypt;\n attribs_dec.padding = kPadding_PKCS7;\n CHECK( Result_OK == cbc_decrypt(&attribs_dec, &keyObj) );\n CHECK(attribs_dec.output_len==3, (uint8_t*)\"Ciphertext has wrong size\");\n CHECK( 0==memcmp( attribs_dec.output,\n expected_no_padding_dec,\n 3), (uint8_t*)\"Wrong padding decrypted\" );\n\n ::free(attribs_dec.output);\n }\n ::free(attribs_enc.output);\n}\nTCASE_E\n\nTCASE(set2_challange12)\n{\n uint8_t CIPHERTEXT[] = \"Um9sbGluJyBpbiBteSA1LjAKV2l0aCBteSByYWctdG9wIGRvd24gc28gbXkg\"\n \"aGFpciBjYW4gYmxvdwpUaGUgZ2lybGllcyBvbiBzdGFuZGJ5IHdhdmluZyBq\"\n \"dXN0IHRvIHNheSBoaQpEaWQgeW91IHN0b3A/IE5vLCBJIGp1c3QgZHJvdmUg\"\n \"YnkK\";\n\n uint8_t HEX_STRING[sizeof CIPHERTEXT];\n uint8_t CONCAT_STRING[sizeof(CIPHERTEXT)*2];\n CryptoAttribs_t EncryptForBS;\n\n Key_t key;\n uint32_t hex_len = 0;\n hex_len = base64_to_hex(CIPHERTEXT, sizeof(CIPHERTEXT), HEX_STRING);\n\n \n}\nTCASE_E", "file": "/home/flowher/repos/MatasanoCrypto/sol/set2.c", - "file_size": 15856, - "file_write_time": 130934846398732372, "settings": { - "buffer_size": 15861, + "buffer_size": 15879, + "line_ending": "Unix" + } + }, + { + "file": "/home/flowher/repos/MatasanoCrypto/sol/set3.c", + "settings": + { + "buffer_size": 1410, + "line_ending": "Unix" + } + }, + { + "file": "/home/flowher/repos/MatasanoCrypto/src/base64.cpp", + "settings": + { + "buffer_size": 8027, + "line_ending": "Unix" + } + }, + { + "file": "/home/flowher/repos/MatasanoCrypto/src/ctr.c", + "settings": + { + "buffer_size": 2036, + "line_ending": "Unix" + } + }, + { + "file": "/home/flowher/repos/MatasanoCrypto/src/xor.c", + "settings": + { + "buffer_size": 502, + "line_ending": "Unix" + } + }, + { + "file": "/home/flowher/repos/MatasanoCrypto/src/ctr.h", + "settings": + { + "buffer_size": 216, + "line_ending": "Unix", + "name": "#include " + } + }, + { + "file": "/home/flowher/repos/MatasanoCrypto/sol/set3.h", + "settings": + { + "buffer_size": 206, + "line_ending": "Unix" + } + }, + { + "file": "/home/flowher/repos/MatasanoCrypto/src/main.cpp", + "settings": + { + "buffer_size": 416, + "line_ending": "Unix" + } + }, + { + "file": "/home/flowher/repos/MatasanoCrypto/src/enc_modes.h", + "settings": + { + "buffer_size": 561, + "line_ending": "Unix" + } + }, + { + "file": "/home/flowher/repos/MatasanoCrypto/src/common.h", + "settings": + { + "buffer_size": 3265, + "line_ending": "Unix" + } + }, + { + "file": "/home/flowher/repos/MatasanoCrypto/sol/set2.h", + "settings": + { + "buffer_size": 779, + "line_ending": "Unix" + } + }, + { + "file": "/home/flowher/repos/MatasanoCrypto/tst/utils.cpp", + "settings": + { + "buffer_size": 4196, + "line_ending": "Unix" + } + }, + { + "file": "/home/flowher/repos/MatasanoCrypto/src/enc_modes.c", + "settings": + { + "buffer_size": 8150, + "line_ending": "Unix" + } + }, + { + "contents": "#include \n#include \n#include \n#include \n#include \"common.h\"\n#include \"base64.h\"\n\nvoid __CheckFunc__(bool iFlag, const char* const file, int line, const uint8_t* const msg )\n{\n if(!iFlag)\n {\n if(msg)\n {\n fprintf(stderr, \"ERROR[%s:%d]:%s\\n\", file, line, msg);\n exit(1);\n }\n else\n {\n fprintf(stderr, \"ERROR[%s:%d]\\n\", file, line);\n exit(1);\n }\n }\n}\n\nunsigned long read_file_to_buffer( const char* const filepath,\n uint8_t** obuff,\n bool remove_new_line_chr)\n{\n if(NULL==obuff || NULL==filepath)\n return 0;\n\n FILE* fh=0;\n size_t len=0;\n char* line=NULL;\n unsigned long total_len=0;\n\n if( (fh=fopen(filepath, \"rb\")) == 0 )\n {\n fprintf(stderr, \"File %s doesn't exist. Exiting...\\n\", filepath);\n goto end;\n }\n\n if(NULL==(*obuff))\n {\n //allocate\n fseek(fh, 0, SEEK_END);\n int pos = ftell(fh);\n fseek(fh, 0, SEEK_SET);\n *obuff = (uint8_t*) malloc(pos);\n }\n\n while( getline(&line, &len, fh) != -1 )\n {\n len = strlen(line); // OZAPTF: needed? you have len above\n if(remove_new_line_chr)\n len--;\n\n memcpy((*obuff)+total_len, line, len);\n total_len+=len;\n free(line);\n line=NULL;\n len=0;\n }\n free(line);\n\nend:\n fclose(fh);\n return total_len;\n}\n\nResult_t load_base64_to_hex(const char* const filepath,\n uint8_t** hex_buffer,\n size_t* len)\n{\n if(hex_buffer == NULL)\n return Result_Error;\n\n uint8_t* tmpbuff = NULL;\n *len = read_file_to_buffer(filepath, &tmpbuff, 1);\n if(*len == 0)\n return Result_Error;\n *hex_buffer = (uint8_t*) malloc(*len);\n base64_to_hex(tmpbuff, *len, *hex_buffer);\n free(tmpbuff);\n\n return Result_OK;\n}\n\n\n// checks if there are identical blocks in the i_textline\nint same_blocks(const char* i_textline, const int i_bs, int* first_block, int* second_block)\n{\n int chunk_nb = strlen(i_textline)/i_bs;\n for(int i=0; iiv = NULL;\n ctx->iv_len = 0;\n ctx->output = NULL;\n ctx->output_len = 0;\n ctx->input = NULL;\n ctx->input_len = 0;\n ctx->operation = kEncrypt;\n ctx->padding = kPadding_None;\n}\n\nvoid CryptoAttribs_t::Free(CryptoAttribs_t* ctx)\n{\n if(ctx->iv!=NULL)\n {\n ::free(ctx->iv);\n ctx->iv=NULL;\n }\n if(ctx->output!=NULL)\n {\n ::free(ctx->output);\n ctx->output=NULL;\n }\n if(ctx->input!=NULL)\n {\n ::free(ctx->input);\n ctx->input=NULL;\n }\n ctx->iv_len = 0;\n ctx->output_len = 0;\n ctx->input_len = 0;\n}\n\nvoid Key_t::Init(Key_t* ctx) // \n{\n ctx->key = NULL;\n ctx->len = 0;\n}\n\n\nvoid Key_t::Free(Key_t* ctx)\n{\n if(ctx->key!=NULL)\n {\n ::free(ctx->key);\n ctx->key = NULL;\n }\n ctx->len = 0;\n}\n", + "file": "/home/flowher/repos/MatasanoCrypto/src/common.c", + "file_size": 2975, + "file_write_time": 131089419815903059, + "settings": + { + "buffer_size": 2979, "line_ending": "Unix" } } @@ -980,6 +1085,12 @@ ], "file_history": [ + "/home/flowher/repos/MatasanoCrypto/src/ctr.h", + "/home/flowher/repos/MatasanoCrypto/src/ctr.c", + "/home/flowher/repos/MatasanoCrypto/src/common.h", + "/home/flowher/repos/MatasanoCrypto/src/base64.h", + "/home/flowher/repos/MatasanoCrypto/src/aes.c", + "/home/flowher/repos/MatasanoCrypto/src/aes.h", "/home/flowher/repos/notes/coding/SOLID.md", "/home/flowher/repos/notes/crypto/eliptic.md", "/home/flowher/repos/MatasanoCrypto/sol/set2.h", @@ -987,14 +1098,12 @@ "/home/flowher/repos/MatasanoCrypto/src/enc_modes.c", "/home/flowher/repos/MatasanoCrypto/src/base64.cpp", "/home/flowher/repos/MatasanoCrypto/src/common.c", - "/home/flowher/repos/MatasanoCrypto/src/base64.h", "/home/flowher/repos/notes/french/words/words", "/home/flowher/repos/notes/french/words/words.md", "/home/flowher/repos/MatasanoCrypto/src/main.cpp", "/home/flowher/rcars/releve.html", "/home/flowher/repos/MatasanoCrypto/src/pkcs7.c", "/home/flowher/repos/OpenCrypto/test/destest.c", - "/home/flowher/repos/MatasanoCrypto/src/common.h", "/home/flowher/repos/MatasanoCrypto/sol/set1.cpp", "/home/flowher/repos/MatasanoCrypto/test.c", "/home/flowher/repos/MatasanoCrypto/sol/set1.h", @@ -1103,11 +1212,7 @@ "/home/kkwiatkowski/amadeus_workdir/repos/03_Components/ACF/br_12-0-0/src/reactor/EventHandler.cpp", "/home/kkwiatkowski/amadeus_workdir/repos/01_OTF/br_12-0/include/otf/Event.h", "/home/kkwiatkowski/storage/91_Repositories/openssl101j/crypto/evp/evp_enc.c", - "/home/kkwiatkowski/storage/91_Repositories/openssl101j/engines/engine_vector.mar", - "/home/kkwiatkowski/storage/91_Repositories/openssl101j/e_os.h", - "/home/kkwiatkowski/amadeus_workdir/repos/01_OTF/br_12-0/include/otf/api/TransactionContextInterface.h", - "/home/kkwiatkowski/amadeus_workdir/repos/01_OTF/br_12-0/include/otf/TransactionContext.h", - 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+ ] + ], + "settings": + { + "function_name_status_row": 23, + "history_list_is_closing": true, + "syntax": "Packages/C Improved/C Improved.tmLanguage" + }, + "translation.x": 0.0, + "translation.y": 0.0, + "zoom_level": 1.0 + }, + "stack_index": 9, + "type": "text" + }, + { + "buffer": 11, + "file": "/home/flowher/repos/MatasanoCrypto/tst/utils.cpp", + "semi_transient": false, + "settings": + { + "buffer_size": 4196, + "regions": + { + }, + "selection": + [ + [ + 3715, + 3715 + ] + ], + "settings": + { + "function_name_status_row": 144, + "syntax": "Packages/C++/C++.sublime-syntax", + "translate_tabs_to_spaces": false + }, + "translation.x": 0.0, + "translation.y": 1363.0, + "zoom_level": 1.0 + }, + "stack_index": 5, + "type": "text" } ] } ], "incremental_find": { - "height": 25.0 + "height": 36.0 }, "input": { @@ -1429,11 +1994,18 @@ 0, 1, 1 + ], + [ + 1, + 0, + 2, + 1 ] ], "cols": [ 0.0, + 0.5, 1.0 ], "rows": @@ -1492,6 +2064,18 @@ "last_filter": "", "selected_items": [ + [ + "utils.cpp", + "MatasanoCrypto/tst/utils.cpp" + ], + [ + "ctr.c", + "MatasanoCrypto/src/ctr.c" + ], + [ + "ctr.h", + "MatasanoCrypto/src/ctr.h" + ], [ "set2.h", "MatasanoCrypto/sol/set2.h" @@ -1991,18 +2575,6 @@ [ "inboundedic", "OTF-13/src/otf/api/InboundEdifactMessage.cpp" - ], - [ - "server.go", - "mip/origin/pkg/oauth/server/server.go" - ], - [ - "admincomm", - "SI/masteragent/magadm/AdminCommand.h" - ], - [ - "localconnectionha", - "SI/connector/src/LocalConnectionHandler.cpp" ] ], "width": 0.0 @@ -2301,7 +2873,7 @@ ], "width": 728.0 }, - "selected_group": 0, + "selected_group": 1, "settings": { }, diff --git a/src/base64.cpp b/src/base64.cpp index 5baa57f..1b25ccf 100644 --- a/src/base64.cpp +++ b/src/base64.cpp @@ -5,35 +5,35 @@ #include "common.h" static const unsigned short char_to_hex[256] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, - // 50 - 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, - 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x0b, 0x0c, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + // 50 + 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, + 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - // 100: this rest shouldn't be needed - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + // 100: this rest shouldn't be needed + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; @@ -46,71 +46,71 @@ static const unsigned short char_to_hex[256] = { -------------------------------------------------------------------------------- */ int c2b(char T) { - if(T>96) // a... - return T-71; //// 26=97-71 - else if(T>64) // A... - return T-65; //// 0=65-65 - else if(T=='=') - return 64; - else if(T>=48) // 0... - return T+4; //// 52=47+5 - else if(T=='/') // / - return 63; - else if(T=='+') // + - return 62; - else - return 0xFF; + if(T>96) // a... + return T-71; //// 26=97-71 + else if(T>64) // A... + return T-65; //// 0=65-65 + else if(T=='=') + return 64; + else if(T>=48) // 0... + return T+4; //// 52=47+5 + else if(T=='/') // / + return 63; + else if(T=='+') // + + return 62; + else + return 0xFF; } static const unsigned char int_to_base64[65] = { - 'A','B','C','D','E','F','G','H','I','J', - 'K','L','M','N','O','P','Q','R','S','T', - 'U','V','W','X','Y','Z','a','b','c','d', - 'e','f','g','h','i','j','k','l','m','n', - 'o','p','q','r','s','t','u','v','w','x', - 'y','z','0','1','2','3','4','5','6','7', - '8','9','+','/','=' + 'A','B','C','D','E','F','G','H','I','J', + 'K','L','M','N','O','P','Q','R','S','T', + 'U','V','W','X','Y','Z','a','b','c','d', + 'e','f','g','h','i','j','k','l','m','n', + 'o','p','q','r','s','t','u','v','w','x', + 'y','z','0','1','2','3','4','5','6','7', + '8','9','+','/','=' }; void convert_string_to_hex(const char* const iArray, const unsigned iArrayLen, unsigned char* oHexArray) { - unsigned char hex; - for(unsigned long i=0; i> 6*3); - idx2 = 0x3F & (data.data >> 6*2); - idx3 = 0x3F & (data.data >> 6); - idx4 = 0x3F & data.data; + idx1 = 0x3F & (data.data >> 6*3); + idx2 = 0x3F & (data.data >> 6*2); + idx3 = 0x3F & (data.data >> 6); + idx4 = 0x3F & data.data; - base64_buff[j++] = int_to_base64[idx1]; - base64_buff[j++] = int_to_base64[idx2]; - base64_buff[j++] = int_to_base64[idx3]; - base64_buff[j++] = int_to_base64[idx4]; - } + base64_buff[j++] = int_to_base64[idx1]; + base64_buff[j++] = int_to_base64[idx2]; + base64_buff[j++] = int_to_base64[idx3]; + base64_buff[j++] = int_to_base64[idx4]; + } - if(unaligned) - { - const unsigned rest_bytes = unaligned/2; - data.data = 0; - read_bytes(hex_buff+len_aligned, data, rest_bytes); + if(unaligned) + { + const unsigned rest_bytes = unaligned/2; + data.data = 0; + read_bytes(hex_buff+len_aligned, data, rest_bytes); - if(rest_bytes==1) - { - if( ( data.data & (data.data & 0x3F) ) == data.data) - { - base64_buff[j++] = int_to_base64[ data.data ]; - } - else - { - idx1 =(data.data >> 2 ) & 0x3F; - idx2 = data.data & 0x3; - base64_buff[j++] = int_to_base64[ idx1 ]; - base64_buff[j++] = int_to_base64[ idx2 ]; - } - } - else if(rest_bytes==2) - { - idx1 =(data.data >> 10 ) & 0x3F; - idx2 =(data.data >> 4 ) & 0x3F; - idx3 =(data.data ) & 15; + if(rest_bytes==1) + { + if( ( data.data & (data.data & 0x3F) ) == data.data) + { + base64_buff[j++] = int_to_base64[ data.data ]; + } + else + { + idx1 =(data.data >> 2 ) & 0x3F; + idx2 = data.data & 0x3; + base64_buff[j++] = int_to_base64[ idx1 ]; + base64_buff[j++] = int_to_base64[ idx2 ]; + } + } + else if(rest_bytes==2) + { + idx1 =(data.data >> 10 ) & 0x3F; + idx2 =(data.data >> 4 ) & 0x3F; + idx3 =(data.data ) & 15; - base64_buff[j++] = int_to_base64[ idx1 ]; - base64_buff[j++] = int_to_base64[ idx2 ]; - base64_buff[j++] = int_to_base64[ idx3 ]; - } - } - return j; + base64_buff[j++] = int_to_base64[ idx1 ]; + base64_buff[j++] = int_to_base64[ idx2 ]; + base64_buff[j++] = int_to_base64[ idx3 ]; + } + } + return (j-1>j) ? 0 : j-1; } /* ----------------------------------------------------------------------------- * @brief xor_strings * * @param iLeftString : String of HEX numbers. Length of string needs to be even - * @param iRightString: Second string. Has to be same length as iLeftString - * @param oXorArray : Array will keep result of XOR. Array needs to be pre - * allocated with length at least strlen(iLeftString)/2 + * @param iRightString: Second string. Has to be same length as iLeftString + * @param oXorArray : Array will keep result of XOR. Array needs to be pre + * allocated with length at least strlen(iLeftString)/2 * * @remarks remarks * -------------------------------------------------------------------------------- */ void xor_strings(const char* const iLeftString, const char* const iRightString, unsigned char* oXorArray) { - const size_t aInLen = strlen(iLeftString); + const size_t aInLen = strlen(iLeftString); - // Both arrays need to have same length - if(strlen(iRightString) != aInLen) return; + // Both arrays need to have same length + if(strlen(iRightString) != aInLen) return; - // Length of both tables needs to be even - if(aInLen % 2 != 0) return; + // Length of both tables needs to be even + if(aInLen % 2 != 0) return; - unsigned char* xor_array1 = (unsigned char*)malloc( aInLen ); - unsigned char* xor_array2 = (unsigned char*)malloc( aInLen ); + unsigned char* xor_array1 = (unsigned char*)malloc( aInLen ); + unsigned char* xor_array2 = (unsigned char*)malloc( aInLen ); - convert_string_to_hex(iLeftString, aInLen, xor_array1); - convert_string_to_hex(iRightString, aInLen, xor_array2); + convert_string_to_hex(iLeftString, aInLen, xor_array1); + convert_string_to_hex(iRightString, aInLen, xor_array2); - for(size_t i=0; i> 4 ); - unsigned char b = ((c2b(T[1]) & 0xF ) << 4) | (c2b(T[2]) >> 2); - unsigned char c = ((c2b(T[2]) & 3 ) << 6 ) | (c2b(T[3]) & 0x3F); - struct int24 t; - t.data = (a<<16) | (b<<8) | c; - return t; + unsigned char a = ( c2b(T[0]) << 2 ) | (c2b(T[1]) >> 4 ); + unsigned char b = ((c2b(T[1]) & 0xF ) << 4) | (c2b(T[2]) >> 2); + unsigned char c = ((c2b(T[2]) & 3 ) << 6 ) | (c2b(T[3]) & 0x3F); + struct int24 t; + t.data = (a<<16) | (b<<8) | c; + return t; } /* ----------------------------------------------------------------------------- * @brief Converts string encoded in base64 to HEX * * @param i_string: Base64 encoded string. - * @param i_string_len: % 4 must == 0 - * @param o_hex_array: array to be populated with HEX's. Caller must ensure - * that array has required size. Method doesn't do any checks + * @param i_string_len: string length + * @param o_hex_array: array to be populated with HEX's. Caller must ensure + * that array has required size. Method doesn't do any checks * * @returns -1 on failure, on success possitive value equal to number of bytes encoded * -------------------------------------------------------------------------------- */ -int base64_to_hex( const unsigned char* const i_string, - int i_string_len, - uint8_t* o_hex_array ) +int base64_to_hex( const unsigned char* const i_string, + int i_string_len, + uint8_t* o_hex_array ) { - int pointer = 0; - int hex_pointer = 0; - char array[4]; + int pointer = 0; + int hex_pointer = 0; + char array[4]; + struct int24 tmp; + while(pointer> 16; + o_hex_array[hex_pointer++] = tmp.data >> 8; + o_hex_array[hex_pointer++] = tmp.data; + } + return hex_pointer; +} + +// OZAPTF: Expects output to be big enough +void b64_to_hex( + const uint8_t* const input, + uint32_t inputLen, + uint8_t* output, + uint32_t* outputLen) +{ + uint32_t in_cursor=0; + uint32_t out_cursor=0; + uint8_t T[4]; - struct int24 tmp; - while(pointer> 16; - o_hex_array[hex_pointer++] = tmp.data >> 8; - o_hex_array[hex_pointer++] = tmp.data; - } + while(in_cursor+2 < inputLen) { + T[0] = input[in_cursor++]; + T[1] = input[in_cursor++]; - return hex_pointer; -} + if ( (in_cursor> 4 ); + output[out_cursor++] = ((c2b(T[1]) & 0x0F ) << 4) | (c2b(T[2]) >> 2); + output[out_cursor++] = ((c2b(T[2]) & 0x03 ) << 6 )| (c2b(T[3]) & 0x3F); + } else { + // decode 3 chars + output[out_cursor++] = ( c2b(T[0]) << 2 ) | (c2b(T[1]) >> 4 ); + output[out_cursor++] = ((c2b(T[1]) & 0x0F ) << 4) | (c2b(T[2]) >> 2); + output[out_cursor++] = ((c2b(T[2]) & 0x03 ) << 6 ); + break; + } + } else { + // decode 2 chars + output[out_cursor++] = ( c2b(T[0]) << 2 ) | (c2b(T[1]) >> 4 ); + output[out_cursor++] = ((c2b(T[1]) & 0xF ) << 4); + break; + } + } + *outputLen = out_cursor-1; +} \ No newline at end of file diff --git a/src/base64.h b/src/base64.h index 72548f7..f52150e 100644 --- a/src/base64.h +++ b/src/base64.h @@ -4,10 +4,16 @@ #include unsigned hex_to_base64(const char* hex_buff, char* base64_buff, unsigned hex_buff_len ); +// TO BE REMOVED and replaced by b64_to_hex int base64_to_hex(const unsigned char* const i_string, int i_string_len, uint8_t* o_hex_array ); void convert_string_to_hex(const char* const iArray, const unsigned iArrayLen, unsigned char* oHexArray); void convert_hex_to_string(const unsigned char* const iHexArray, unsigned iHexArrayLen, char* oStringBuf ); void xor_strings(const char* const iLeftString, const char* const iRightString, unsigned char* oXorArray); int c2b(char T); +void b64_to_hex( + const uint8_t* const input, + uint32_t inputLen, + uint8_t* output, + uint32_t* outputLen); #endif /* _base64_ */ diff --git a/src/main.cpp b/src/main.cpp index 42c3602..a12ef29 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -14,11 +14,12 @@ int main() ERR_load_crypto_strings(); OpenSSL_add_all_algorithms(); - SET3::run(); - - SET1::run(); - SET2::run(); UTILS::run(); +// +// SET3::run(); +// +// SET1::run(); +// SET2::run(); /* Clean up */ EVP_cleanup(); diff --git a/tst/utils.cpp b/tst/utils.cpp index a89537c..ec798ad 100644 --- a/tst/utils.cpp +++ b/tst/utils.cpp @@ -10,137 +10,218 @@ #include "src/xor_char_finder.h" void hex_to_base64_test() { - const char test_buff1[] ="49276d206b696c6c696e6720796f757220627261696e206c696b65206120706f69736f6e6f7573206d757368726f6f6d"; - const char expected_buff1[] ="SSdtIGtpbGxpbmcgeW91ciBicmFpbiBsaWtlIGEgcG9pc29ub3VzIG11c2hyb29t"; - - const char test_buff2[] ="4927"; - const char expected_buff2[] ="SSH"; - - const char test_buff3[] ="49"; - const char expected_buff3[] ="SB"; - - const char test_buff4[] ="33"; - const char expected_buff4[] ="z"; - - const char test_buff5[] = "616e79"; - const char expected_buff5[] = "YW55"; - - char output[256]; - - memset (output,'\0', 256); - hex_to_base64(test_buff1, output, strlen(test_buff1) ); - CHECK( memcmp(expected_buff1, output, strlen(expected_buff1)) == 0 ); - CHECK( strlen(expected_buff1) == strlen(output)); - - // test case when there are 2 hex'es - memset (output,'\0', 256); - hex_to_base64(test_buff2, output, strlen(test_buff2) ); - CHECK( memcmp(expected_buff2, output, strlen(expected_buff2)) == 0 ); - CHECK( strlen(expected_buff2) == strlen(output)); - - // test case when there is 1 hex - memset (output,'\0', 256); - hex_to_base64(test_buff3, output, strlen(test_buff3) ); - CHECK( memcmp(expected_buff3, output, strlen(expected_buff3)) == 0 ); - CHECK( strlen(expected_buff3) == strlen(output)); - - // test case when there is 1 char - memset (output,'\0', 256); - hex_to_base64(test_buff4, output, strlen(test_buff4) ); - CHECK( memcmp(expected_buff4, output, strlen(expected_buff4)) == 0 ); - CHECK( strlen(expected_buff4) == strlen(output)); - - memset (output,'\0', 256); - hex_to_base64(test_buff5, output, strlen(test_buff5) ); - CHECK( memcmp(expected_buff5, output, strlen(expected_buff5)) == 0 ); - CHECK( strlen(expected_buff5) == strlen(output)); + const char test_buff1[] ="49276d206b696c6c696e6720796f757220627261696e206c696b65206120706f69736f6e6f7573206d757368726f6f6d"; + const char expected_buff1[] ="SSdtIGtpbGxpbmcgeW91ciBicmFpbiBsaWtlIGEgcG9pc29ub3VzIG11c2hyb29t"; + + const char test_buff2[] ="4927"; + const char expected_buff2[] ="SSH"; + + const char test_buff3[] ="49"; + const char expected_buff3[] ="SB"; + + const char test_buff4[] ="33"; + const char expected_buff4[] ="z"; + + const char test_buff5[] = "616e79"; + const char expected_buff5[] = "YW55"; + + char output[256]; + + memset (output,'\0', 256); + hex_to_base64(test_buff1, output, strlen(test_buff1) ); + CHECK( memcmp(expected_buff1, output, strlen(expected_buff1)) == 0 ); + CHECK( strlen(expected_buff1) == strlen(output)); + + // test case when there are 2 hex'es + memset (output,'\0', 256); + hex_to_base64(test_buff2, output, strlen(test_buff2) ); + CHECK( memcmp(expected_buff2, output, strlen(expected_buff2)) == 0 ); + CHECK( strlen(expected_buff2) == strlen(output)); + + // test case when there is 1 hex + memset (output,'\0', 256); + hex_to_base64(test_buff3, output, strlen(test_buff3) ); + CHECK( memcmp(expected_buff3, output, strlen(expected_buff3)) == 0 ); + CHECK( strlen(expected_buff3) == strlen(output)); + + // test case when there is 1 char + memset (output,'\0', 256); + hex_to_base64(test_buff4, output, strlen(test_buff4) ); + CHECK( memcmp(expected_buff4, output, strlen(expected_buff4)) == 0 ); + CHECK( strlen(expected_buff4) == strlen(output)); + + memset (output,'\0', 256); + hex_to_base64(test_buff5, output, strlen(test_buff5) ); + CHECK( memcmp(expected_buff5, output, strlen(expected_buff5)) == 0 ); + CHECK( strlen(expected_buff5) == strlen(output)); } void convert_string_to_hex_test() { - const char test_buff1[] = "49276d"; - unsigned char out_buff[3]; - convert_string_to_hex(test_buff1, strlen(test_buff1), out_buff); - CHECK( out_buff[0] == 0x49 - && out_buff[1] == 0x27 - && out_buff[2] == 0x6d); - - // and back - char out_buf[6]; - convert_hex_to_string(out_buff, 3, out_buf); - CHECK( memcmp(out_buf, test_buff1, 6) == 0 ); + const char test_buff1[] = "49276d"; + unsigned char out_buff[3]; + convert_string_to_hex(test_buff1, strlen(test_buff1), out_buff); + CHECK( out_buff[0] == 0x49 + && out_buff[1] == 0x27 + && out_buff[2] == 0x6d); + + // and back + char out_buf[6]; + convert_hex_to_string(out_buff, 3, out_buf); + CHECK( memcmp(out_buf, test_buff1, 6) == 0 ); } void xor_strings_test() { - const char i_buf_1[] = "1c0111001f010100061a024b53535009181c"; - const char i_buf_2[] = "686974207468652062756c6c277320657965"; - char out_buf[36]; - unsigned char buf[36/2]; + const char i_buf_1[] = "1c0111001f010100061a024b53535009181c"; + const char i_buf_2[] = "686974207468652062756c6c277320657965"; + char out_buf[36]; + unsigned char buf[36/2]; - xor_strings(i_buf_1, i_buf_2, buf); + xor_strings(i_buf_1, i_buf_2, buf); - convert_hex_to_string(buf, 36/2, out_buf); - CHECK( memcmp(out_buf, "746865206b696420646f6e277420706c6179", 36) == 0); + convert_hex_to_string(buf, 36/2, out_buf); + CHECK( memcmp(out_buf, "746865206b696420646f6e277420706c6179", 36) == 0); } void hamming_test() { - unsigned char msg[256]; - const unsigned char ch1[]="this is a test"; - const unsigned char ch2[]="wokka wokka!!!"; - sprintf((char*)msg, "GOT: %d", block_distance(ch1, ch2,14)); - CHECK(block_distance(ch1,ch2, 14) == 37, msg); + unsigned char msg[256]; + const unsigned char ch1[]="this is a test"; + const unsigned char ch2[]="wokka wokka!!!"; + sprintf((char*)msg, "GOT: %d", block_distance(ch1, ch2,14)); + CHECK(block_distance(ch1,ch2, 14) == 37, msg); - const unsigned char ch3[]="test1"; - const unsigned char ch4[]="test3"; + const unsigned char ch3[]="test1"; + const unsigned char ch4[]="test3"; - sprintf((char*)msg, "GOT: %d", block_distance(ch3, ch4,5)); - CHECK(block_distance(ch3,ch4,5)==1, msg); + sprintf((char*)msg, "GOT: %d", block_distance(ch3, ch4,5)); + CHECK(block_distance(ch3,ch4,5)==1, msg); - const unsigned char ch5[]={0x01, 0x03}; - const unsigned char ch6[]={0x02, 0x02}; + const unsigned char ch5[]={0x01, 0x03}; + const unsigned char ch6[]={0x02, 0x02}; - sprintf((char*)msg, "GOT: %d", block_distance(ch5, ch6,2)); - CHECK(block_distance(ch5,ch6,2)==3, msg); + sprintf((char*)msg, "GOT: %d", block_distance(ch5, ch6,2)); + CHECK(block_distance(ch5,ch6,2)==3, msg); } -void base64_to_hex_test() +uint8_t b64_vec_1_hex = 0x66; +uint8_t b64_vec_1_base64[] = "Zg=="; + +uint8_t b64_vec_2_hex[] = {0x66, 0x6F}; +uint8_t b64_vec_2_base64[] = "Zm8="; + +uint8_t b64_vec_3_hex[] = {0x66, 0x6F, 0x6F}; +uint8_t b64_vec_3_base64[] = "Zm9v"; + +uint8_t b64_vec_4_hex[] = {0x66, 0x6F, 0x6F, 0x62}; +uint8_t b64_vec_4_base64[] = "Zm9vYg=="; + +uint8_t b64_vec_5_hex[] = {0x66, 0x6F, 0x6F, 0x62, 0x61}; +uint8_t b64_vec_5_base64[] = "Zm9vYmE="; + +uint8_t b64_vec_6_hex[] = {0x66, 0x6F, 0x6F, 0x62, 0x61, 0x72}; +uint8_t b64_vec_6_base64[] = "Zm9vYmFy"; + +uint8_t b64_vec_7_hex[] = {0x4D, 0x61, 0x6E, 0x4D, 0x61, 0x6E}; +uint8_t b64_vec_7_base64[]= "TWFuTWFu"; // 0x41 0x61 0x6E 0x41 0x61 0x6E + +uint8_t b64_vec_8_hex[] = { 0x61, 0x6e, 0x79, 0x20, 0x63, 0x61, 0x72, 0x6e, 0x61, + 0x6c, 0x20, 0x70, 0x6c, 0x65, 0x61, 0x73, 0x75}; +uint8_t b64_vec_8_base64[]= "YW55IGNhcm5hbCBwbGVhc3U="; // 0x41 0x61 0x6E 0x41 0x61 0x6E + +struct Base64_Vector { + const uint8_t* hex; + const uint32_t hex_len; + const uint8_t* base64; + const uint32_t base64_len; + +} b64_vectors[]={ + { + &b64_vec_1_hex, 1, + b64_vec_1_base64, sizeof(b64_vec_1_base64) + }, + { + b64_vec_2_hex, sizeof(b64_vec_2_hex), + b64_vec_2_base64, sizeof(b64_vec_2_base64) + }, + { + b64_vec_3_hex, sizeof(b64_vec_3_hex), + b64_vec_3_base64, sizeof(b64_vec_3_base64) + }, + { + b64_vec_4_hex, sizeof(b64_vec_4_hex), + b64_vec_4_base64, sizeof(b64_vec_4_base64) + }, + { + b64_vec_5_hex, sizeof(b64_vec_5_hex), + b64_vec_5_base64, sizeof(b64_vec_5_base64) + }, + { + b64_vec_6_hex, sizeof(b64_vec_6_hex), + b64_vec_6_base64, sizeof(b64_vec_6_base64) + }, + { + b64_vec_7_hex, sizeof(b64_vec_7_hex), + b64_vec_7_base64, sizeof(b64_vec_7_base64) + }, + { + b64_vec_8_hex, sizeof(b64_vec_8_hex), + b64_vec_8_base64, sizeof(b64_vec_8_base64) + }, +}; + +void base64_test() { - const unsigned char ch2[]="TWFuTWFu"; // 0x41 0x61 0x6E 0x41 0x61 0x6E - const unsigned char ch3[]="YW55IGNhcm5hbCBwbGVhc3U="; - unsigned char out[6]; - unsigned char out3[17]; - - unsigned char expected[6] = {0x4D, 0x61, 0x6E, 0x4D, 0x61, 0x6E}; - unsigned char expected3[] = {0x61, 0x6e, 0x79, 0x20, 0x63, 0x61, 0x72, 0x6e, 0x61, 0x6c, 0x20, 0x70, 0x6c, 0x65, 0x61, 0x73, 0x75}; - base64_to_hex(ch2, 8, out); - base64_to_hex(ch3, 17, out3); - - CHECK( memcmp(expected, out, 6) == 0 ); - CHECK( memcmp(expected3, out3, 6) == 0 ); + uint8_t tmpbuf[256]; + + // BASE64->HEX + + // empty string + uint32_t ret = 256; + b64_to_hex((const uint8_t*)"", 0, tmpbuf, &ret); + CHECK(ret == 0); + + // vectors + for(size_t i=0; ibase64, vec->base64_len, tmpbuf, &ret); + + char log_buf[256]; + sprintf(log_buf, "Counter %u. Expected %u but got %d\n", i, vec->base64_len-1, ret); + CHECK( memcmp(vec->hex, tmpbuf, ret) == 0, (uint8_t*)log_buf ); + } + + // HEX->BASE64 + /* OZAPTF: hex_to_base64 dosn't work + for(size_t i=0; ihex, (char*)tmpbuf, vec->hex_len); + + printf("%u %u\n", ret, vec->base64_len); + CHECK(ret == vec->base64_len); + CHECK( memcmp(tmpbuf, vec->base64, ret) == 0); + } + */ } + void c2b_test() { - CHECK( c2b('A') == 0 ); - CHECK( c2b('L') == 11 ); - CHECK( c2b('Z') == 25 ); - CHECK( c2b('a') == 26 ); - CHECK( c2b('z') == 51 ); - CHECK( c2b('0') == 52 ); - CHECK( c2b('5') == 57 ); - CHECK( c2b('9') == 61 ); - CHECK( c2b('+') == 62 ); - CHECK( c2b('/') == 63 ); - CHECK( c2b('=') == 64 ); - CHECK( c2b('*') == 0xFF ); + CHECK( c2b('A') == 0 ); + CHECK( c2b('L') == 11 ); + CHECK( c2b('Z') == 25 ); + CHECK( c2b('a') == 26 ); + CHECK( c2b('z') == 51 ); + CHECK( c2b('0') == 52 ); + CHECK( c2b('5') == 57 ); + CHECK( c2b('9') == 61 ); + CHECK( c2b('+') == 62 ); + CHECK( c2b('/') == 63 ); + CHECK( c2b('=') == 64 ); + CHECK( c2b('*') == 0xFF ); } - -void aes_block_test() -{ - -} \ No newline at end of file diff --git a/tst/utils.h b/tst/utils.h index cb13c6d..4149dc1 100644 --- a/tst/utils.h +++ b/tst/utils.h @@ -4,19 +4,19 @@ void hex_to_base64_test(); void xor_strings_test(); void hamming_test(); -void base64_to_hex_test(); +void base64_test(); void convert_string_to_hex_test(); void c2b_test(); namespace UTILS { void run() { - hamming_test(); - hex_to_base64_test(); - convert_string_to_hex_test(); - xor_strings_test(); - base64_to_hex_test(); - c2b_test(); + // hamming_test(); + // hex_to_base64_test(); + // convert_string_to_hex_test(); + // xor_strings_test(); + base64_test(); + // c2b_test(); } }