static int test_bf_ofb64(void)
{
unsigned char cbc_in[40], cbc_out[40], iv[8];
int n, ret = 1;
BF_KEY key;
BF_LONG len;
len = strlen(cbc_data) + 1;
BF_set_key(&key, 16, cbc_key);
memset(cbc_in, 0, 40);
memset(cbc_out, 0, 40);
memcpy(iv, cbc_iv, 8);
n = 0;
BF_ofb64_encrypt((unsigned char *)cbc_data, cbc_out, (long)13, &key, iv,
&n);
BF_ofb64_encrypt((unsigned char *)&(cbc_data[13]), &(cbc_out[13]),
len - 13, &key, iv, &n);
if (!TEST_mem_eq(cbc_out, (int)len, ofb64_ok, (int)len))
ret = 0;
n = 0;
memcpy(iv, cbc_iv, 8);
BF_ofb64_encrypt(cbc_out, cbc_in, 17, &key, iv, &n);
BF_ofb64_encrypt(&(cbc_out[17]), &(cbc_in[17]), len - 17, &key, iv, &n);
if (!TEST_mem_eq(cbc_in, (int)len, cbc_data, (int)len))
ret = 0;
return ret;
}
extern int
do_BF_ofb64_encrypt (const unsigned char *in,
long istart,
unsigned char *out,
long ostart,
long length,
const BF_KEY *schedule,
unsigned char *ivec,
int num)
{
BF_ofb64_encrypt(&in[istart], &out[ostart], length,
schedule, ivec, &num);
return (num);
}
static int test(void)
{
unsigned char cbc_in[40],cbc_out[40],iv[8];
int i,n,err=0;
BF_KEY key;
BF_LONG data[2];
unsigned char out[8];
BF_LONG len;
#ifdef CHARSET_EBCDIC
ebcdic2ascii(cbc_data, cbc_data, TINYCLR_SSL_STRLEN(cbc_data));
#endif
TINYCLR_SSL_PRINTF("testing blowfish in raw ecb mode\n");
for (n=0; n<2; n++)
{
#ifdef CHARSET_EBCDIC
ebcdic2ascii(bf_key[n], bf_key[n], TINYCLR_SSL_STRLEN(bf_key[n]));
#endif
BF_set_key(&key,TINYCLR_SSL_STRLEN(bf_key[n]),(unsigned char *)bf_key[n]);
data[0]=bf_plain[n][0];
data[1]=bf_plain[n][1];
BF_encrypt(data,&key);
if (TINYCLR_SSL_MEMCMP(&(bf_cipher[n][0]),&(data[0]),8) != 0)
{
TINYCLR_SSL_PRINTF("BF_encrypt error encrypting\n");
TINYCLR_SSL_PRINTF("got :");
for (i=0; i<2; i++)
TINYCLR_SSL_PRINTF("%08lX ",(unsigned long)data[i]);
TINYCLR_SSL_PRINTF("\n");
TINYCLR_SSL_PRINTF("expected:");
for (i=0; i<2; i++)
TINYCLR_SSL_PRINTF("%08lX ",(unsigned long)bf_cipher[n][i]);
err=1;
TINYCLR_SSL_PRINTF("\n");
}
BF_decrypt(&(data[0]),&key);
if (TINYCLR_SSL_MEMCMP(&(bf_plain[n][0]),&(data[0]),8) != 0)
{
TINYCLR_SSL_PRINTF("BF_encrypt error decrypting\n");
TINYCLR_SSL_PRINTF("got :");
for (i=0; i<2; i++)
TINYCLR_SSL_PRINTF("%08lX ",(unsigned long)data[i]);
TINYCLR_SSL_PRINTF("\n");
TINYCLR_SSL_PRINTF("expected:");
for (i=0; i<2; i++)
TINYCLR_SSL_PRINTF("%08lX ",(unsigned long)bf_plain[n][i]);
TINYCLR_SSL_PRINTF("\n");
err=1;
}
}
TINYCLR_SSL_PRINTF("testing blowfish in ecb mode\n");
for (n=0; n<NUM_TESTS; n++)
{
BF_set_key(&key,8,ecb_data[n]);
BF_ecb_encrypt(&(plain_data[n][0]),out,&key,BF_ENCRYPT);
if (TINYCLR_SSL_MEMCMP(&(cipher_data[n][0]),out,8) != 0)
{
TINYCLR_SSL_PRINTF("BF_ecb_encrypt blowfish error encrypting\n");
TINYCLR_SSL_PRINTF("got :");
for (i=0; i<8; i++)
TINYCLR_SSL_PRINTF("%02X ",out[i]);
TINYCLR_SSL_PRINTF("\n");
TINYCLR_SSL_PRINTF("expected:");
for (i=0; i<8; i++)
TINYCLR_SSL_PRINTF("%02X ",cipher_data[n][i]);
err=1;
TINYCLR_SSL_PRINTF("\n");
}
BF_ecb_encrypt(out,out,&key,BF_DECRYPT);
if (TINYCLR_SSL_MEMCMP(&(plain_data[n][0]),out,8) != 0)
{
TINYCLR_SSL_PRINTF("BF_ecb_encrypt error decrypting\n");
TINYCLR_SSL_PRINTF("got :");
for (i=0; i<8; i++)
TINYCLR_SSL_PRINTF("%02X ",out[i]);
TINYCLR_SSL_PRINTF("\n");
TINYCLR_SSL_PRINTF("expected:");
for (i=0; i<8; i++)
TINYCLR_SSL_PRINTF("%02X ",plain_data[n][i]);
TINYCLR_SSL_PRINTF("\n");
err=1;
}
}
TINYCLR_SSL_PRINTF("testing blowfish set_key\n");
for (n=1; n<KEY_TEST_NUM; n++)
{
BF_set_key(&key,n,key_test);
BF_ecb_encrypt(key_data,out,&key,BF_ENCRYPT);
/* mips-sgi-irix6.5-gcc vv -mabi=64 bug workaround */
if (TINYCLR_SSL_MEMCMP(out,&(key_out[i=n-1][0]),8) != 0)
{
TINYCLR_SSL_PRINTF("blowfish setkey error\n");
err=1;
}
}
TINYCLR_SSL_PRINTF("testing blowfish in cbc mode\n");
len=TINYCLR_SSL_STRLEN(cbc_data)+1;
BF_set_key(&key,16,cbc_key);
TINYCLR_SSL_MEMSET(cbc_in,0,sizeof cbc_in);
TINYCLR_SSL_MEMSET(cbc_out,0,sizeof cbc_out);
TINYCLR_SSL_MEMCPY(iv,cbc_iv,sizeof iv);
BF_cbc_encrypt((unsigned char *)cbc_data,cbc_out,len,
&key,iv,BF_ENCRYPT);
if (TINYCLR_SSL_MEMCMP(cbc_out,cbc_ok,32) != 0)
{
err=1;
TINYCLR_SSL_PRINTF("BF_cbc_encrypt encrypt error\n");
for (i=0; i<32; i++) TINYCLR_SSL_PRINTF("0x%02X,",cbc_out[i]);
}
TINYCLR_SSL_MEMCPY(iv,cbc_iv,8);
BF_cbc_encrypt(cbc_out,cbc_in,len,
&key,iv,BF_DECRYPT);
if (TINYCLR_SSL_MEMCMP(cbc_in,cbc_data,TINYCLR_SSL_STRLEN(cbc_data)+1) != 0)
{
TINYCLR_SSL_PRINTF("BF_cbc_encrypt decrypt error\n");
err=1;
}
TINYCLR_SSL_PRINTF("testing blowfish in cfb64 mode\n");
BF_set_key(&key,16,cbc_key);
TINYCLR_SSL_MEMSET(cbc_in,0,40);
TINYCLR_SSL_MEMSET(cbc_out,0,40);
TINYCLR_SSL_MEMCPY(iv,cbc_iv,8);
n=0;
BF_cfb64_encrypt((unsigned char *)cbc_data,cbc_out,(long)13,
&key,iv,&n,BF_ENCRYPT);
BF_cfb64_encrypt((unsigned char *)&(cbc_data[13]),&(cbc_out[13]),len-13,
&key,iv,&n,BF_ENCRYPT);
if (TINYCLR_SSL_MEMCMP(cbc_out,cfb64_ok,(int)len) != 0)
{
err=1;
TINYCLR_SSL_PRINTF("BF_cfb64_encrypt encrypt error\n");
for (i=0; i<(int)len; i++) TINYCLR_SSL_PRINTF("0x%02X,",cbc_out[i]);
}
n=0;
TINYCLR_SSL_MEMCPY(iv,cbc_iv,8);
BF_cfb64_encrypt(cbc_out,cbc_in,17,
&key,iv,&n,BF_DECRYPT);
BF_cfb64_encrypt(&(cbc_out[17]),&(cbc_in[17]),len-17,
&key,iv,&n,BF_DECRYPT);
if (TINYCLR_SSL_MEMCMP(cbc_in,cbc_data,(int)len) != 0)
{
TINYCLR_SSL_PRINTF("BF_cfb64_encrypt decrypt error\n");
err=1;
}
TINYCLR_SSL_PRINTF("testing blowfish in ofb64\n");
BF_set_key(&key,16,cbc_key);
TINYCLR_SSL_MEMSET(cbc_in,0,40);
TINYCLR_SSL_MEMSET(cbc_out,0,40);
TINYCLR_SSL_MEMCPY(iv,cbc_iv,8);
n=0;
BF_ofb64_encrypt((unsigned char *)cbc_data,cbc_out,(long)13,&key,iv,&n);
BF_ofb64_encrypt((unsigned char *)&(cbc_data[13]),
&(cbc_out[13]),len-13,&key,iv,&n);
if (TINYCLR_SSL_MEMCMP(cbc_out,ofb64_ok,(int)len) != 0)
{
err=1;
TINYCLR_SSL_PRINTF("BF_ofb64_encrypt encrypt error\n");
for (i=0; i<(int)len; i++) TINYCLR_SSL_PRINTF("0x%02X,",cbc_out[i]);
}
n=0;
TINYCLR_SSL_MEMCPY(iv,cbc_iv,8);
BF_ofb64_encrypt(cbc_out,cbc_in,17,&key,iv,&n);
BF_ofb64_encrypt(&(cbc_out[17]),&(cbc_in[17]),len-17,&key,iv,&n);
if (TINYCLR_SSL_MEMCMP(cbc_in,cbc_data,(int)len) != 0)
{
TINYCLR_SSL_PRINTF("BF_ofb64_encrypt decrypt error\n");
err=1;
}
return(err);
}
static int test(void)
{
unsigned char cbc_in[40],cbc_out[40],iv[8];
int i,n,err=0;
BF_KEY key;
BF_LONG data[2];
unsigned char out[8];
BF_LONG len;
printf("testing blowfish in raw ecb mode\n");
for (n=0; n<2; n++)
{
BF_set_key(&key,strlen(bf_key[n]),(unsigned char *)bf_key[n]);
data[0]=bf_plain[n][0];
data[1]=bf_plain[n][1];
BF_encrypt(data,&key);
if (memcmp(&(bf_cipher[n][0]),&(data[0]), sizeof data) != 0)
{
printf("BF_encrypt error encrypting\n");
printf("got :");
for (i=0; i<2; i++)
printf("%08lX ",(unsigned long)data[i]);
printf("\n");
printf("expected:");
for (i=0; i<2; i++)
printf("%08lX ",(unsigned long)bf_cipher[n][i]);
err=1;
printf("\n");
}
BF_decrypt(&(data[0]),&key);
if (memcmp(&(bf_plain[n][0]),&(data[0]),8) != 0)
{
printf("BF_encrypt error decrypting\n");
printf("got :");
for (i=0; i<2; i++)
printf("%08lX ",(unsigned long)data[i]);
printf("\n");
printf("expected:");
for (i=0; i<2; i++)
printf("%08lX ",(unsigned long)bf_plain[n][i]);
printf("\n");
err=1;
}
}
printf("testing blowfish in ecb mode\n");
for (n=0; n<NUM_TESTS; n++)
{
BF_set_key(&key,8,ecb_data[n]);
BF_ecb_encrypt(&(plain_data[n][0]),out,&key,BF_ENCRYPT);
if (memcmp(&(cipher_data[n][0]),out,8) != 0)
{
printf("BF_ecb_encrypt blowfish error encrypting\n");
printf("got :");
for (i=0; i<8; i++)
printf("%02X ",out[i]);
printf("\n");
printf("expected:");
for (i=0; i<8; i++)
printf("%02X ",cipher_data[n][i]);
err=1;
printf("\n");
}
BF_ecb_encrypt(out,out,&key,BF_DECRYPT);
if (memcmp(&(plain_data[n][0]),out,8) != 0)
{
printf("BF_ecb_encrypt error decrypting\n");
printf("got :");
for (i=0; i<8; i++)
printf("%02X ",out[i]);
printf("\n");
printf("expected:");
for (i=0; i<8; i++)
printf("%02X ",plain_data[n][i]);
printf("\n");
err=1;
}
}
printf("testing blowfish set_key\n");
for (n=1; n<KEY_TEST_NUM; n++)
{
BF_set_key(&key,n,key_test);
BF_ecb_encrypt(key_data,out,&key,BF_ENCRYPT);
if (memcmp(out,&(key_out[n-1][0]),8) != 0)
{
printf("blowfish setkey error\n");
err=1;
}
}
printf("testing blowfish in cbc mode\n");
len=strlen(cbc_data)+1;
BF_set_key(&key,16,cbc_key);
memset(cbc_in,0,sizeof cbc_in);
memset(cbc_out,0,sizeof cbc_out);
memcpy(iv,cbc_iv,sizeof iv);
BF_cbc_encrypt((unsigned char *)cbc_data,cbc_out,len,
&key,iv,BF_ENCRYPT);
if (memcmp(cbc_out,cbc_ok,32) != 0)
{
err=1;
printf("BF_cbc_encrypt encrypt error\n");
for (i=0; i<32; i++) printf("0x%02X,",cbc_out[i]);
}
memcpy(iv,cbc_iv,8);
BF_cbc_encrypt(cbc_out,cbc_in,len,
&key,iv,BF_DECRYPT);
if (memcmp(cbc_in,cbc_data,strlen(cbc_data)+1) != 0)
{
printf("BF_cbc_encrypt decrypt error\n");
err=1;
}
printf("testing blowfish in cfb64 mode\n");
BF_set_key(&key,16,cbc_key);
memset(cbc_in,0,40);
memset(cbc_out,0,40);
memcpy(iv,cbc_iv,8);
n=0;
BF_cfb64_encrypt((unsigned char *)cbc_data,cbc_out,(long)13,
&key,iv,&n,BF_ENCRYPT);
BF_cfb64_encrypt((unsigned char *)&(cbc_data[13]),&(cbc_out[13]),len-13,
&key,iv,&n,BF_ENCRYPT);
if (memcmp(cbc_out,cfb64_ok,(int)len) != 0)
{
err=1;
printf("BF_cfb64_encrypt encrypt error\n");
for (i=0; i<(int)len; i++) printf("0x%02X,",cbc_out[i]);
}
n=0;
memcpy(iv,cbc_iv,8);
BF_cfb64_encrypt(cbc_out,cbc_in,17,
&key,iv,&n,BF_DECRYPT);
BF_cfb64_encrypt(&(cbc_out[17]),&(cbc_in[17]),len-17,
&key,iv,&n,BF_DECRYPT);
if (memcmp(cbc_in,cbc_data,(int)len) != 0)
{
printf("BF_cfb64_encrypt decrypt error\n");
err=1;
}
printf("testing blowfish in ofb64\n");
BF_set_key(&key,16,cbc_key);
memset(cbc_in,0,40);
memset(cbc_out,0,40);
memcpy(iv,cbc_iv,8);
n=0;
BF_ofb64_encrypt((unsigned char *)cbc_data,cbc_out,(long)13,&key,iv,&n);
BF_ofb64_encrypt((unsigned char *)&(cbc_data[13]),
&(cbc_out[13]),len-13,&key,iv,&n);
if (memcmp(cbc_out,ofb64_ok,(int)len) != 0)
{
err=1;
printf("BF_ofb64_encrypt encrypt error\n");
for (i=0; i<(int)len; i++) printf("0x%02X,",cbc_out[i]);
}
n=0;
memcpy(iv,cbc_iv,8);
BF_ofb64_encrypt(cbc_out,cbc_in,17,&key,iv,&n);
BF_ofb64_encrypt(&(cbc_out[17]),&(cbc_in[17]),len-17,&key,iv,&n);
if (memcmp(cbc_in,cbc_data,(int)len) != 0)
{
printf("BF_ofb64_encrypt decrypt error\n");
err=1;
}
return(err);
}
int main(void)
{
int i;
BF_KEY key;
BIO* bio_out;
static unsigned char key_data[BF_KEY_LENGTH] = {
0x52,0x69,0xf1,0x49,0xd4,0x1b,0xa0,0x15,
0x24,0x97,0x57,0x4d,0x7f,0x15,0x31,0x25
};
unsigned char iv[BF_BLOCK];
unsigned char const iv_data[BF_BLOCK] = {
0xcc, 0xfe, 0xcd, 0x3e, 0x21, 0xde, 0x1c, 0x31
};
char* data = "The worthwhile problems are the ones you can"
"really solve or help solve, the ones you can"
"really contribute something to. No "
"problem is too small or too trivial if we "
"can really do something about it."
"- Richard Feynman";
/* Round up the length to a multiple of 8 */
int length = (int) strlen(data);
/* Initialize how far we've gone through the IV */
int num = 0;
char* ciphertext = (char*) malloc(sizeof(char) * length);
char* plaintext = (char*) malloc(sizeof(char) * length);
/* Copy the IV data to the IV array. The IV array will be updated by the BF_cfb64_encrypt call.*/
memcpy(iv, iv_data, BF_BLOCK);
/* Set the key structure using the predefined key */
BF_set_key(&key, BF_KEY_LENGTH, key_data);
/* Carry out the encryption */
BF_ofb64_encrypt(data, ciphertext, length, &key, iv, &num);
/* Set up the IO */
bio_out = BIO_new_fp(stdout, BIO_NOCLOSE);
BIO_printf(bio_out, "Original plaintext: %s\n\n", data);
BIO_printf(bio_out, "Ciphertext: ");
/* print out the ciphertext */
for (i = 0; i < length; i++)
BIO_printf(bio_out, "%02x", ((unsigned char*)ciphertext)[i]);
BIO_printf(bio_out, "\n\n");
/* start the decryption process */
/* First, copy the original IV data back to the IV array - as it was overwritten
* during the encryption process
*/
memcpy(iv, iv_data, BF_BLOCK);
/* Reset how far we've gone through the IV */
num = 0;
/* decrypt the ciphertext */
BF_ofb64_encrypt(ciphertext, plaintext, length, &key, iv, &num);
BIO_printf(bio_out, "Recovered plaintext: ");
/* print out the plaintext */
for (i = 0; i < length; i++)
BIO_printf(bio_out, "%c", ((unsigned char*)plaintext)[i]);
BIO_printf(bio_out, "\n\n");
BIO_free(bio_out);
free(ciphertext);
free(plaintext);
return 0;
}
