diff options
Diffstat (limited to 'src/lib/crypto/t_cts.c')
| -rw-r--r-- | src/lib/crypto/t_cts.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/src/lib/crypto/t_cts.c b/src/lib/crypto/t_cts.c index 5bf1ecb..b105bd2 100644 --- a/src/lib/crypto/t_cts.c +++ b/src/lib/crypto/t_cts.c @@ -120,27 +120,52 @@ static void test_cts() krb5_data *); int i; - char outbuf[64]; - krb5_data in, out; + char outbuf[64], encivbuf[16], decivbuf[16], outbuf2[64]; + krb5_data in, out, enciv, deciv, out2; krb5_keyblock key; krb5_error_code err; in.data = input; out.data = outbuf; + out2.data = outbuf2; + enciv.length = deciv.length = 16; + enciv.data = encivbuf; + deciv.data = decivbuf; key.contents = aeskey; key.length = 16; + memset(enciv.data, 0, 16); printk("AES 128-bit key", &key); for (i = 0; i < sizeof(lengths)/sizeof(lengths[0]); i++) { + memset(enciv.data, 0, 16); + memset(deciv.data, 0, 16); + printf("\n"); in.length = out.length = lengths[i]; - err = krb5int_aes_encrypt(&key, 0, &in, &out); + printd("IV", &enciv); + err = krb5int_aes_encrypt(&key, &enciv, &in, &out); if (err) { printf("error %ld from krb5int_aes_encrypt\n", (long)err); exit(1); } printd("Input", &in); printd("Output", &out); + printd("Next IV", &enciv); + out2.length = out.length; + err = krb5int_aes_decrypt(&key, &deciv, &out, &out2); + if (err) { + printf("error %ld from krb5int_aes_decrypt\n", (long)err); + exit(1); + } + if (out2.length != in.length + || memcmp(in.data, out2.data, in.length)) { + printd("Decryption result DOESN'T MATCH", &out2); + exit(1); + } + if (memcmp(enciv.data, deciv.data, 16)) { + printd("Decryption IV result DOESN'T MATCH", &deciv); + exit(1); + } } } |