static int cfb64_test(unsigned char *cfb_cipher)
{
IDEA_KEY_SCHEDULE eks, dks;
int err = 0, i, n;
idea_set_encrypt_key(cfb_key, &eks);
idea_set_decrypt_key(&eks, &dks);
memcpy(cfb_tmp, cfb_iv, 8);
n = 0;
idea_cfb64_encrypt(plain, cfb_buf1, (long)12, &eks,
cfb_tmp, &n, IDEA_ENCRYPT);
idea_cfb64_encrypt(&(plain[12]), &(cfb_buf1[12]),
(long)CFB_TEST_SIZE - 12, &eks,
cfb_tmp, &n, IDEA_ENCRYPT);
if (memcmp(cfb_cipher, cfb_buf1, CFB_TEST_SIZE) != 0) {
err = 1;
printf("idea_cfb64_encrypt encrypt error\n");
for (i = 0; i < CFB_TEST_SIZE; i += 8)
printf("%s\n", pt(&(cfb_buf1[i])));
}
memcpy(cfb_tmp, cfb_iv, 8);
n = 0;
idea_cfb64_encrypt(cfb_buf1, cfb_buf2, (long)13, &eks,
cfb_tmp, &n, IDEA_DECRYPT);
idea_cfb64_encrypt(&(cfb_buf1[13]), &(cfb_buf2[13]),
(long)CFB_TEST_SIZE - 13, &eks,
cfb_tmp, &n, IDEA_DECRYPT);
if (memcmp(plain, cfb_buf2, CFB_TEST_SIZE) != 0) {
err = 1;
printf("idea_cfb_encrypt decrypt error\n");
for (i = 0; i < 24; i += 8)
printf("%s\n", pt(&(cfb_buf2[i])));
}
return (err);
}
static void
idea_cfb_decrypt(pgp_crypt_t *crypt, void *out, const void *in, size_t count)
{
idea_cfb64_encrypt(in, out, (long)count,
crypt->decrypt_key, crypt->iv, &crypt->num,
CAST_DECRYPT);
}
static void
idea_cfb_encrypt(__ops_crypt_t *crypt, void *out, const void *in, size_t count)
{
idea_cfb64_encrypt(in, out, (long)count,
crypt->encrypt_key, crypt->iv, &crypt->num,
CAST_ENCRYPT);
}
static int cfb64_test(unsigned char *cfb_cipher)
{
IDEA_KEY_SCHEDULE eks,dks;
int err=0,i,n;
idea_set_encrypt_key(cfb_key,&eks);
idea_set_decrypt_key(&eks,&dks);
TINYCLR_SSL_MEMCPY(cfb_tmp,cfb_iv,8);
n=0;
idea_cfb64_encrypt(plain,cfb_buf1,(long)12,&eks,
cfb_tmp,&n,IDEA_ENCRYPT);
idea_cfb64_encrypt(&(plain[12]),&(cfb_buf1[12]),
(long)CFB_TEST_SIZE-12,&eks,
cfb_tmp,&n,IDEA_ENCRYPT);
if (TINYCLR_SSL_MEMCMP(cfb_cipher,cfb_buf1,CFB_TEST_SIZE) != 0)
{
err=1;
TINYCLR_SSL_PRINTF("idea_cfb64_encrypt encrypt error\n");
for (i=0; i<CFB_TEST_SIZE; i+=8)
TINYCLR_SSL_PRINTF("%s\n",pt(&(cfb_buf1[i])));
}
TINYCLR_SSL_MEMCPY(cfb_tmp,cfb_iv,8);
n=0;
idea_cfb64_encrypt(cfb_buf1,cfb_buf2,(long)17,&eks,
cfb_tmp,&n,IDEA_DECRYPT);
idea_cfb64_encrypt(&(cfb_buf1[17]),&(cfb_buf2[17]),
(long)CFB_TEST_SIZE-17,&dks,
cfb_tmp,&n,IDEA_DECRYPT);
if (TINYCLR_SSL_MEMCMP(plain,cfb_buf2,CFB_TEST_SIZE) != 0)
{
err=1;
TINYCLR_SSL_PRINTF("idea_cfb_encrypt decrypt error\n");
for (i=0; i<24; i+=8)
TINYCLR_SSL_PRINTF("%s\n",pt(&(cfb_buf2[i])));
}
return(err);
}