강현태

Add orientation docx file

test : clean test.o
./test/bin/test.o > report.xml
test.o :
gcc test/src/test.c -L/usr/local/opt/openssl/lib -o test/bin/test.o -lcmocka -lssl -lcrypto
pull :
cd lib; \
git clone https://github.com/openssl/openssl.git; \
./config --prefix=
clean :
rm -f ~/test/bin/test.o report.xml
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#include <stdio.h>
#include <openssl/rsa.h>
#include <openssl/rand.h>
......
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#include <string.h>
#include <stdio.h>
#include <openssl/rsa.h>
#define ASCII_START 32
#define ASCII_END 126
char* generateRandomString(int size) {
int i;
char *res = malloc(size + 1);
for(i = 0; i < size; i++) {
res[i] = (char) (rand()%(ASCII_END-ASCII_START))+ASCII_START;
}
res[i] = '\0';
return res;
}
static void rsa_normal_test(void **state){
int i;
int bits = 2048; //key size
int buflen = 1024; //buffer suze
unsigned char *plaintext, *ciphertext, *randomstring;
int same;
BIGNUM *bn = BN_new();
BN_set_word(bn, RSA_F4);
//1. rsa구조체 생성
RSA *rsa = RSA_new();
//2. key pair(private,public) 생성
RSA_generate_key_ex(rsa, bits, bn, NULL);
//3. 본인의 public key로 암호화.
randomstring=plaintext=(unsigned char*)generateRandomString(buflen);
RSA_public_encrypt(buflen, plaintext, ciphertext, rsa,RSA_PKCS1_OAEP_PADDING);
//4. 본인의 private key로 복호화.
RSA_private_decrypt(buflen, ciphertext, plaintext, rsa,RSA_PKCS1_OAEP_PADDING);
//5. 원 평문과 일치하는지 확인
same = 1;
for(i=0;i<buflen;i++){
if(plaintext[i]!=randomstring[i]){
same=0;
break;
}
}
assert_true(same);
(void)state;
}
int main(void){
srand(time(NULL));
cmocka_set_message_output(CM_OUTPUT_XML);
const struct CMUnitTest test_group[]={
cmocka_unit_test(rsa_normal_test)
};
return cmocka_run_group_tests(test_group,NULL,NULL);
}
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