diff options
Diffstat (limited to 'src/tests/libica_des_ofb_test.c')
| -rw-r--r-- | src/tests/libica_des_ofb_test.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/src/tests/libica_des_ofb_test.c b/src/tests/libica_des_ofb_test.c new file mode 100644 index 0000000..b63a53e --- /dev/null +++ b/src/tests/libica_des_ofb_test.c @@ -0,0 +1,187 @@ +/* This program is released under the Common Public License V1.0 + * + * You should have received a copy of Common Public License V1.0 along with + * with this program. + */ + +/* Copyright IBM Corp. 2010, 2011 */ +#include <fcntl.h> +#include <sys/errno.h> +#include <stdio.h> +#include <string.h> +#include <strings.h> +#include <stdlib.h> +#include "ica_api.h" + +#define NR_RANDOM_TESTS 10000 + +void dump_array(unsigned char *ptr, unsigned int size) +{ + unsigned char *ptr_end; + unsigned char *h; + int i = 1; + + h = ptr; + ptr_end = ptr + size; + while (h < (unsigned char *)ptr_end) { + printf("0x%02x ",(unsigned char ) *h); + h++; + if (i == 8) { + printf("\n"); + i = 1; + } else { + ++i; + } + } + printf("\n"); +} + +void dump_ofb_data(unsigned char *iv, unsigned int iv_length, + unsigned char *key, unsigned int key_length, + unsigned char *input_data, unsigned int data_length, + unsigned char *output_data) +{ + printf("IV \n"); + dump_array(iv, iv_length); + printf("Key \n"); + dump_array(key, key_length); + printf("Input Data\n"); + dump_array(input_data, data_length); + printf("Output Data\n"); + dump_array(output_data, data_length); +} + +int load_random_test_data(unsigned char *data, unsigned int data_length, + unsigned char *iv, unsigned int iv_length, + unsigned char *key, unsigned int key_length) +{ + int rc; + rc = ica_random_number_generate(data_length, data); + if (rc) { + printf("ica_random_number_generate with rc = %i errnor = %i\n", + rc, errno); + return rc; + } + rc = ica_random_number_generate(iv_length, iv); + if (rc) { + printf("ica_random_number_generate with rc = %i errnor = %i\n", + rc, errno); + return rc; + } + rc = ica_random_number_generate(key_length, key); + if (rc) { + printf("ica_random_number_generate with rc = %i errnor = %i\n", + rc, errno); + return rc; + } + return rc; +} + +int random_des_ofb(int iteration, int silent, unsigned int data_length) +{ + unsigned int iv_length = sizeof(ica_des_vector_t); + unsigned int key_length = sizeof(ica_des_key_single_t); + + unsigned char iv[iv_length]; + unsigned char tmp_iv[iv_length]; + unsigned char key[key_length]; + unsigned char input_data[data_length]; + unsigned char encrypt[data_length]; + unsigned char decrypt[data_length]; + + int rc = 0; + memset(encrypt, 0x00, data_length); + memset(decrypt, 0x00, data_length); + + load_random_test_data(input_data, data_length, iv, iv_length, key, + key_length); + memcpy(tmp_iv, iv, iv_length); + + if (!silent) { + printf("Test Parameters for iteration = %i\n", iteration); + printf("key length = %i, data length = %i, iv length = %i\n", + key_length, data_length, iv_length); + } + + rc = ica_des_ofb(input_data, encrypt, data_length, key, tmp_iv, 1); + if (rc) { + printf("ica_des_ofb encrypt failed with rc = %i\n", rc); + dump_ofb_data(iv, iv_length, key, key_length, input_data, + data_length, encrypt); + } + if (!silent && !rc) { + printf("Encrypt:\n"); + dump_ofb_data(iv, iv_length, key, key_length, input_data, + data_length, encrypt); + } + + if (rc) { + printf("DES OFB test exited after encryption\n"); + return rc; + } + + memcpy(tmp_iv, iv, iv_length); + + rc = ica_des_ofb(encrypt, decrypt, data_length, key, tmp_iv, 0); + if (rc) { + printf("ica_des_ofb decrypt failed with rc = %i\n", rc); + dump_ofb_data(iv, iv_length, key, key_length, encrypt, + data_length, decrypt); + return rc; + } + + + if (!silent && !rc) { + printf("Decrypt:\n"); + dump_ofb_data(iv, iv_length, key, key_length, encrypt, + data_length, decrypt); + } + + if (memcmp(decrypt, input_data, data_length)) { + printf("Decryption Result does not match the original data!\n"); + printf("Original data:\n"); + dump_array(input_data, data_length); + printf("Decryption Result:\n"); + dump_array(decrypt, data_length); + rc++; + } + return rc; +} + +int main(int argc, char **argv) +{ + unsigned int silent = 0; + + if (argc > 1) { + if (strstr(argv[1], "silent")) + silent = 1; + } + int rc = 0; + int error_count = 0; + int iteration; + unsigned int rdata; + unsigned int data_length = 1; + for(iteration = 1; iteration <= NR_RANDOM_TESTS; iteration++) { + rc = random_des_ofb(iteration, silent, data_length); + if (rc) { + printf("random_des_ofb failed with rc = %i\n", rc); + error_count++; + goto out; + } + // add a value between 1 and 8 to data_length + if (ica_random_number_generate(sizeof(rdata), (unsigned char*) &rdata)) { + printf("ica_random_number_generate failed with errnor = %i\n", + errno); + exit(1); + } + data_length += (rdata % 8) + 1; + } +out: + if (error_count) + printf("%i testcases failed\n", error_count); + else + printf("All DES-OFB testcases finished successfully\n"); + + return rc; +} + |