nim-eth/tests/p2p/test_hkdf.nim

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{.used.}
import
unittest2,
nimcrypto, stew/byteutils,
../../eth/p2p/discoveryv5/hkdf
proc hextToBytes(s: string): seq[byte] =
if s.len != 0: return hexToSeqByte(s)
template runTest(constants: untyped) =
block:
constants
let
bikm = hextToBytes(IKM)
bsalt = hextToBytes(salt)
binfo = hextToBytes(info)
bprk {.used.} = hextToBytes(PRK)
bokm = hextToBytes(OKM)
var output = newSeq[byte](L)
hkdf(HashType, bikm, bsalt, binfo, output)
check(output == bokm)
suite "hkdf":
test "Test Vectors":
runTest: # 1
type HashType = sha256
const
IKM = "0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"
salt = "0x000102030405060708090a0b0c"
info = "0xf0f1f2f3f4f5f6f7f8f9"
L = 42
PRK = "0x077709362c2e32df0ddc3f0dc47bba63" &
"90b6c73bb50f9c3122ec844ad7c2b3e5"
OKM = "0x3cb25f25faacd57a90434f64d0362f2a" &
"2d2d0a90cf1a5a4c5db02d56ecc4c5bf" &
"34007208d5b887185865"
runTest: # 2
type HashType = sha256
const
IKM = "0x000102030405060708090a0b0c0d0e0f" &
"101112131415161718191a1b1c1d1e1f" &
"202122232425262728292a2b2c2d2e2f" &
"303132333435363738393a3b3c3d3e3f" &
"404142434445464748494a4b4c4d4e4f"
salt = "0x606162636465666768696a6b6c6d6e6f" &
"707172737475767778797a7b7c7d7e7f" &
"808182838485868788898a8b8c8d8e8f" &
"909192939495969798999a9b9c9d9e9f" &
"a0a1a2a3a4a5a6a7a8a9aaabacadaeaf"
info = "0xb0b1b2b3b4b5b6b7b8b9babbbcbdbebf" &
"c0c1c2c3c4c5c6c7c8c9cacbcccdcecf" &
"d0d1d2d3d4d5d6d7d8d9dadbdcdddedf" &
"e0e1e2e3e4e5e6e7e8e9eaebecedeeef" &
"f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"
L = 82
PRK = "0x06a6b88c5853361a06104c9ceb35b45c" &
"ef760014904671014a193f40c15fc244"
OKM = "0xb11e398dc80327a1c8e7f78c596a4934" &
"4f012eda2d4efad8a050cc4c19afa97c" &
"59045a99cac7827271cb41c65e590e09" &
"da3275600c2f09b8367793a9aca3db71" &
"cc30c58179ec3e87c14c01d5c1f3434f" &
"1d87"
runTest: # 3
type HashType = sha256
const
IKM = "0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"
salt = ""
info = ""
L = 42
PRK = "0x19ef24a32c717b167f33a91d6f648bdf" &
"96596776afdb6377ac434c1c293ccb04"
OKM = "0x8da4e775a563c18f715f802a063c5a31" &
"b8a11f5c5ee1879ec3454e5f3c738d2d" &
"9d201395faa4b61a96c8"
runTest: # 4
type HashType = sha1
const
IKM = "0x0b0b0b0b0b0b0b0b0b0b0b"
salt = "0x000102030405060708090a0b0c"
info = "0xf0f1f2f3f4f5f6f7f8f9"
L = 42
PRK = "0x9b6c18c432a7bf8f0e71c8eb88f4b30baa2ba243"
OKM = "0x085a01ea1b10f36933068b56efa5ad81" &
"a4f14b822f5b091568a9cdd4f155fda2" &
"c22e422478d305f3f896"
runTest: # 5
type HashType = sha1
const
IKM = "0x000102030405060708090a0b0c0d0e0f" &
"101112131415161718191a1b1c1d1e1f" &
"202122232425262728292a2b2c2d2e2f" &
"303132333435363738393a3b3c3d3e3f" &
"404142434445464748494a4b4c4d4e4f"
salt = "0x606162636465666768696a6b6c6d6e6f" &
"707172737475767778797a7b7c7d7e7f" &
"808182838485868788898a8b8c8d8e8f" &
"909192939495969798999a9b9c9d9e9f" &
"a0a1a2a3a4a5a6a7a8a9aaabacadaeaf"
info = "0xb0b1b2b3b4b5b6b7b8b9babbbcbdbebf" &
"c0c1c2c3c4c5c6c7c8c9cacbcccdcecf" &
"d0d1d2d3d4d5d6d7d8d9dadbdcdddedf" &
"e0e1e2e3e4e5e6e7e8e9eaebecedeeef" &
"f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"
L = 82
PRK = "0x8adae09a2a307059478d309b26c4115a224cfaf6"
OKM = "0x0bd770a74d1160f7c9f12cd5912a06eb" &
"ff6adcae899d92191fe4305673ba2ffe" &
"8fa3f1a4e5ad79f3f334b3b202b2173c" &
"486ea37ce3d397ed034c7f9dfeb15c5e" &
"927336d0441f4c4300e2cff0d0900b52" &
"d3b4"
runTest: # 6
type HashType = sha1
const
IKM = "0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"
salt = ""
info = ""
L = 42
PRK = "0xda8c8a73c7fa77288ec6f5e7c297786aa0d32d01"
OKM = "0x0ac1af7002b3d761d1e55298da9d0506" &
"b9ae52057220a306e07b6b87e8df21d0" &
"ea00033de03984d34918"
runTest: # 7
type HashType = sha1
const
IKM = "0x0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c"
salt = ""
info = ""
L = 42
PRK = "0x2adccada18779e7c2077ad2eb19d3f3e731385dd"
OKM = "0x2c91117204d745f3500d636a62f64f0a" &
"b3bae548aa53d423b0d1f27ebba6f5e5" &
"673a081d70cce7acfc48"
block:
var output: array[5, byte]
var secret = [0x01.byte, 0x02, 0x03]
var salt = [0x04.byte, 0x05, 0x06]
var info = [0x07.byte, 0x08, 0x09]
hkdf(sha256, secret, salt, info, output)
check(@output == "D5CF839F63".hextToBytes)