Verify AES ECB Encryption against NIST Test Vectors
(Known Answer Tests)   Back to Online Tools

Hex Key:

Hex Plain Text:
00000000000000000000000000000000

Hex Cipher Text:

128-bit AES/ECB/PKCS5Padding

<script type="text/javascript" language="javascript">

function aesEncrypt()
{
	document.crypt2.UnlockComponent("Anything goes here.");
	
	// Crypt algorithms include "aes", "blowfish2", "twofish", "pki"
	document.crypt2.CryptAlgorithm = "aes";
	document.crypt2.CipherMode = "ecb";
	
	// Output encoding possibilities include "base64", "hex", "qp", or "url"
	document.crypt2.EncodingMode = "hex";
	
	// PKCS5 Padding
	document.crypt2.PaddingScheme = 3;
		
	// Key length can be 128, 192, or 256
	document.crypt2.KeyLength = 128;
	
	document.crypt2.SetEncodedKey(document.form1.hexKey.value,"hex");
	
	var inData = document.crypt2.Decode(document.form1.etx.value,"hex");
	
	document.form1.ctx.value = 
			document.crypt2.EncryptBytesENC(inData);
}

</script>

The NIST test values can be downloaded here: NIST test values.

A few of the NIST ECB Known Answer Tests data is reproduced here:
PT = plain-text
CT = cipher-text
KEY = 128-bit secret key.

VARIABLE KEY TESTS:
KEYSIZE=128

PT=00000000000000000000000000000000

I=1
KEY=80000000000000000000000000000000
CT=0EDD33D3C621E546455BD8BA1418BEC8

I=2
KEY=40000000000000000000000000000000
CT=C0CC0C5DA5BD63ACD44A80774FAD5222

I=3
KEY=20000000000000000000000000000000
CT=2F0B4B71BC77851B9CA56D42EB8FF080

I=4
KEY=10000000000000000000000000000000
CT=6B1E2FFFE8A114009D8FE22F6DB5F876

I=5
KEY=08000000000000000000000000000000
CT=9AA042C315F94CBB97B62202F83358F5

I=6
KEY=04000000000000000000000000000000
CT=DBE01DE67E346A800C4C4B4880311DE4

I=7
KEY=02000000000000000000000000000000
CT=C117D2238D53836ACD92DDCDB85D6A21

I=8
KEY=01000000000000000000000000000000
CT=DC0ED85DF9611ABB7249CDD168C5467E

I=9
KEY=00800000000000000000000000000000
CT=807D678FFF1F56FA92DE3381904842F2

VARIABLE TEXT TESTS:

KEYSIZE=128

KEY=00000000000000000000000000000000

I=1
PT=80000000000000000000000000000000
CT=3AD78E726C1EC02B7EBFE92B23D9EC34

I=2
PT=40000000000000000000000000000000
CT=45BC707D29E8204D88DFBA2F0B0CAD9B

I=3
PT=20000000000000000000000000000000
CT=161556838018F52805CDBD6202002E3F

I=4
PT=10000000000000000000000000000000
CT=F5569B3AB6A6D11EFDE1BF0A64C6854A

I=5
PT=08000000000000000000000000000000
CT=64E82B50E501FBD7DD4116921159B83E

I=6
PT=04000000000000000000000000000000
CT=BAAC12FB613A7DE11450375C74034041

I=7
PT=02000000000000000000000000000000
CT=BCF176A7EAAD8085EBACEA362462A281

I=8
PT=01000000000000000000000000000000
CT=47711816E91D6FF059BBBF2BF58E0FD3

I=9
PT=00800000000000000000000000000000
CT=B970DFBE40698AF1638FE38BD3DF3B2F

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