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Finish EC NIST curves implementation. 

Add EC NIST curves tests and test vectors.
This commit is contained in:
cheatfate 2019-02-22 13:32:15 +02:00
parent f67a7a2a3e
commit 1aaf4797c9
4 changed files with 587 additions and 103 deletions
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1
libp2p.nimble
View File

@ -19,4 +19,5 @@ task test, "Runs the test suite":
exec "nim c -r tests/testmultihash" exec "nim c -r tests/testmultihash"
exec "nim c -r tests/testmultibase" exec "nim c -r tests/testmultibase"
exec "nim c -r tests/testcid" exec "nim c -r tests/testcid"
exec "nim c -r tests/testecnist"
exec "nim c -r tests/testdaemon" exec "nim c -r tests/testdaemon"

23
libp2p/crypto/common.nim
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@ -1,9 +1,16 @@
## Nim-Libp2p
## Copyright (c) 2018 Status Research & Development GmbH
## Licensed under either of
## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
## * MIT license ([LICENSE-MIT](LICENSE-MIT))
## at your option.
## This file may not be copied, modified, or distributed except according to
## those terms.
## This module implements interface with BearSSL library sources.
import strutils import strutils
from os import DirSep from os import DirSep
when defined(vcc):
{.passC: "/Zi /FS".}
const const
bearPath = currentSourcePath.rsplit(DirSep, 1)[0] & DirSep & bearPath = currentSourcePath.rsplit(DirSep, 1)[0] & DirSep &
"BearSSL" & DirSep "BearSSL" & DirSep
@ -625,6 +632,16 @@ proc brEcdsaVerifyRaw*(impl: ptr BrEcImplementation, hash: pointer,
siglen: int): uint32 {. siglen: int): uint32 {.
cdecl, importc: "br_ecdsa_i31_vrfy_raw", header: "bearssl_ec.h".} cdecl, importc: "br_ecdsa_i31_vrfy_raw", header: "bearssl_ec.h".}
proc brEcdsaSignAsn1*(impl: ptr BrEcImplementation, hf: ptr BrHashClass,
value: pointer, sk: ptr BrEcPrivateKey,
sig: pointer): int {.
cdecl, importc: "br_ecdsa_i31_sign_asn1", header: "bearssl_ec.h".}
proc brEcdsaVerifyAsn1*(impl: ptr BrEcImplementation, hash: pointer,
hashlen: int, pk: ptr BrEcPublicKey, sig: pointer,
siglen: int): uint32 {.
cdecl, importc: "br_ecdsa_i31_vrfy_asn1", header: "bearssl_ec.h".}
proc brAsn1UintPrepare*(xdata: pointer, xlen: int): BrAsn1Uint {. proc brAsn1UintPrepare*(xdata: pointer, xlen: int): BrAsn1Uint {.
cdecl, importc: "br_asn1_uint_prepare", header: "inner.h".} cdecl, importc: "br_asn1_uint_prepare", header: "inner.h".}

135
libp2p/crypto/ecnist.nim
View File

@ -6,9 +6,13 @@
## at your option. ## at your option.
## This file may not be copied, modified, or distributed except according to ## This file may not be copied, modified, or distributed except according to
## those terms. ## those terms.
## This module implements ECDSA and ECDHE for NIST elliptic curves
## secp256r1, secp384r1 and secp521r1.
import common import common
import nimcrypto/utils import nimcrypto/utils
import minasn1 import minasn1
export minasn1.Asn1Status
const const
PubKey256Length* = 65 PubKey256Length* = 65
@ -36,7 +40,6 @@ type
EcSignature* = ref object EcSignature* = ref object
buffer*: seq[byte] buffer*: seq[byte]
curve*: cint
EcCurveKind* = enum EcCurveKind* = enum
Secp256r1 = BR_EC_SECP256R1, Secp256r1 = BR_EC_SECP256R1,
@ -121,15 +124,6 @@ proc getOffset(seckey: EcPrivateKey): int {.inline.} =
else: else:
result = cast[int](o) result = cast[int](o)
template getSignatureLength*(curve: EcCurveKind): int =
case curve
of Secp256r1:
Sig256Length
of Secp384r1:
Sig384Length
of Secp521r1:
Sig521Length
template getPublicKeyLength*(curve: EcCurveKind): int = template getPublicKeyLength*(curve: EcCurveKind): int =
case curve case curve
of Secp256r1: of Secp256r1:
@ -139,15 +133,6 @@ template getPublicKeyLength*(curve: EcCurveKind): int =
of Secp521r1: of Secp521r1:
PubKey521Length PubKey521Length
template getPrivateKeyLength*(curve: EcCurveKind): int =
case curve
of Secp256r1:
SecKey256Length
of Secp384r1:
SecKey384Length
of Secp521r1:
SecKey521Length
proc copy*[T: EcPKI](dst: var T, src: T): bool = proc copy*[T: EcPKI](dst: var T, src: T): bool =
## Copy EC private key, public key or scalar ``src`` to ``dst``. ## Copy EC private key, public key or scalar ``src`` to ``dst``.
## ##
@ -288,12 +273,6 @@ proc `$`*(pubkey: EcPublicKey): string =
proc `$`*(sig: EcSignature): string = proc `$`*(sig: EcSignature): string =
## Return hexadecimal string representation of EC signature. ## Return hexadecimal string representation of EC signature.
if sig.curve == 0 or len(sig.buffer) == 0:
result = "Empty signature"
else:
if sig.curve notin EcSupportedCurvesCint:
result = "Unknown signature"
else:
result = toHex(sig.buffer) result = toHex(sig.buffer)
proc toBytes*(seckey: EcPrivateKey, data: var openarray[byte]): int = proc toBytes*(seckey: EcPrivateKey, data: var openarray[byte]): int =
@ -332,8 +311,8 @@ proc toBytes*(seckey: EcPrivateKey, data: var openarray[byte]): int =
b.write(p) b.write(p)
b.finish() b.finish()
result = len(b) result = len(b)
if len(data) >= len(b): if len(data) >= result:
copyMem(addr data[0], addr b.buffer[0], len(b)) copyMem(addr data[0], addr b.buffer[0], result)
proc toBytes*(pubkey: EcPublicKey, data: var openarray[byte]): int = proc toBytes*(pubkey: EcPublicKey, data: var openarray[byte]): int =
## Serialize EC public key ``pubkey`` to ASN.1 DER binary form and store it ## Serialize EC public key ``pubkey`` to ASN.1 DER binary form and store it
@ -362,8 +341,18 @@ proc toBytes*(pubkey: EcPublicKey, data: var openarray[byte]): int =
b.write(p) b.write(p)
b.finish() b.finish()
result = len(b) result = len(b)
if len(data) >= len(b): if len(data) >= result:
copyMem(addr data[0], addr b.buffer[0], len(b)) copyMem(addr data[0], addr b.buffer[0], result)
proc toBytes*(sig: EcSignature, data: var openarray[byte]): int =
## Serialize EC signature ``sig`` to ASN.1 DER binary form and store it
## to ``data``.
##
## Procedure returns number of bytes (octets) needed to store EC signature,
## or `0` if signature is not in supported curve.
result = len(sig.buffer)
if len(data) >= result:
copyMem(addr data[0], unsafeAddr sig.buffer[0], result)
proc getBytes*(seckey: EcPrivateKey): seq[byte] = proc getBytes*(seckey: EcPrivateKey): seq[byte] =
## Serialize EC private key ``seckey`` to ASN.1 DER binary form and return it. ## Serialize EC private key ``seckey`` to ASN.1 DER binary form and return it.
@ -385,6 +374,13 @@ proc getBytes*(pubkey: EcPublicKey): seq[byte] =
else: else:
raise newException(EcKeyIncorrectError, "Incorrect public key") raise newException(EcKeyIncorrectError, "Incorrect public key")
proc getBytes*(sig: EcSignature): seq[byte] =
## Serialize EC signature ``sig`` to ASN.1 DER binary form and return it.
result = newSeq[byte]()
let length = sig.toBytes(result)
result.setLen(length)
discard sig.toBytes(result)
proc `==`*(pubkey1, pubkey2: EcPublicKey): bool = proc `==`*(pubkey1, pubkey2: EcPublicKey): bool =
## Returns ``true`` if both keys ``pubkey1`` and ``pubkey2`` are equal. ## Returns ``true`` if both keys ``pubkey1`` and ``pubkey2`` are equal.
if pubkey1.key.curve != pubkey2.key.curve: if pubkey1.key.curve != pubkey2.key.curve:
@ -413,8 +409,6 @@ proc `==`*(seckey1, seckey2: EcPrivateKey): bool =
proc `==`*(sig1, sig2: EcSignature): bool = proc `==`*(sig1, sig2: EcSignature): bool =
## Return ``true`` if both signatures ``sig1`` and ``sig2`` are equal. ## Return ``true`` if both signatures ``sig1`` and ``sig2`` are equal.
if sig1.curve != sig2.curve:
return false
result = (sig1.buffer == sig2.buffer) result = (sig1.buffer == sig2.buffer)
proc init*(key: var EcPrivateKey, data: openarray[byte]): Asn1Status = proc init*(key: var EcPrivateKey, data: openarray[byte]): Asn1Status =
@ -539,35 +533,21 @@ proc init*(pubkey: var EcPublicKey, data: openarray[byte]): Asn1Status =
else: else:
result = Asn1Status.Incorrect result = Asn1Status.Incorrect
proc init*(sig: var EcSignature, data: openarray[byte]): bool = proc init*(sig: var EcSignature, data: openarray[byte]): Asn1Status =
## Initialize EC signature ``sig`` from raw binary representation ``data``. ## Initialize EC signature ``sig`` from raw binary representation ``data``.
## ##
## Length of ``data`` array must be ``Sig256Length``, ``Sig384Length`` ## Procedure returns ``Asn1Status``.
## or ``Sig521Length``. result = Asn1Status.Incorrect
##
## Procedure returns ``true`` on success, ``false`` otherwise.
var curve: cint
if len(data) > 0: if len(data) > 0:
if len(data) == Sig256Length:
curve = cast[cint](Secp256r1)
result = true
elif len(data) == Sig384Length:
curve = cast[cint](Secp384r1)
result = true
elif len(data) == Sig521Length:
curve = cast[cint](Secp521r1)
result = true
if result:
sig = new EcSignature sig = new EcSignature
sig.curve = curve
sig.buffer = @data sig.buffer = @data
result = true result = Asn1Status.Success
proc init*[T: EcPKI](sospk: var T, data: string): bool {.inline.} = proc init*[T: EcPKI](sospk: var T, data: string): Asn1Status {.inline.} =
## Initialize EC `private key`, `public key` or `scalar` ``sospk`` from ## Initialize EC `private key`, `public key` or `scalar` ``sospk`` from
## hexadecimal string representation ``data``. ## hexadecimal string representation ``data``.
## ##
## Procedure returns ``true`` on success, ``false`` otherwise. ## Procedure returns ``Asn1Status``.
result = sospk.init(fromHex(data)) result = sospk.init(fromHex(data))
proc init*(t: typedesc[EcPrivateKey], data: openarray[byte]): EcPrivateKey = proc init*(t: typedesc[EcPrivateKey], data: openarray[byte]): EcPrivateKey =
@ -589,8 +569,10 @@ proc init*(t: typedesc[EcPublicKey], data: openarray[byte]): EcPublicKey =
proc init*(t: typedesc[EcSignature], data: openarray[byte]): EcSignature = proc init*(t: typedesc[EcSignature], data: openarray[byte]): EcSignature =
## Initialize EC signature from raw binary representation ``data`` and ## Initialize EC signature from raw binary representation ``data`` and
## return constructed object. ## return constructed object.
if not result.init(data): let res = result.init(data)
raise newException(EcKeyIncorrectError, "Incorrect signature") if res != Asn1Status.Success:
raise newException(EcKeyIncorrectError,
"Incorrect signature (" & $res & ")")
proc init*[T: EcPKI](t: typedesc[T], data: string): T {.inline.} = proc init*[T: EcPKI](t: typedesc[T], data: string): T {.inline.} =
## Initialize EC `private key`, `public key` or `scalar` from hexadecimal ## Initialize EC `private key`, `public key` or `scalar` from hexadecimal
@ -620,30 +602,30 @@ proc scalarMul*(pub: EcPublicKey, sec: EcPrivateKey): EcPublicKey =
proc sign*[T: byte|char](seckey: EcPrivateKey, proc sign*[T: byte|char](seckey: EcPrivateKey,
message: openarray[T]): EcSignature = message: openarray[T]): EcSignature =
## Get ECDSA signature of data ``message`` using private key ``seckey``. ## Get ECDSA signature of data ``message`` using private key ``seckey`` and.
var hc: BrHashCompatContext var hc: BrHashCompatContext
var hash: array[32, byte] var hash: array[32, byte]
var impl = brEcGetDefault() var impl = brEcGetDefault()
if len(message) > 0:
if seckey.key.curve in EcSupportedCurvesCint: if seckey.key.curve in EcSupportedCurvesCint:
let length = getSignatureLength(cast[EcCurveKind](seckey.key.curve))
result = new EcSignature result = new EcSignature
result.curve = seckey.key.curve result.buffer = newSeq[byte](256)
result.buffer = newSeq[byte](length)
var kv = addr sha256Vtable var kv = addr sha256Vtable
kv.init(addr hc.vtable) kv.init(addr hc.vtable)
if len(message) > 0:
kv.update(addr hc.vtable, unsafeAddr message[0], len(message)) kv.update(addr hc.vtable, unsafeAddr message[0], len(message))
else:
kv.update(addr hc.vtable, nil, 0)
kv.output(addr hc.vtable, addr hash[0]) kv.output(addr hc.vtable, addr hash[0])
let res = brEcdsaSignRaw(impl, kv, addr hash[0], addr seckey.key, let res = brEcdsaSignAsn1(impl, kv, addr hash[0], addr seckey.key,
addr result.buffer[0]) addr result.buffer[0])
if res != getSignatureLength(cast[EcCurveKind](result.curve)):
raise newException(EcSignatureError, "Could not make signature")
# Clear context with initial value # Clear context with initial value
kv.init(addr hc.vtable) kv.init(addr hc.vtable)
if res != 0:
result.buffer.setLen(res)
else:
raise newException(EcSignatureError, "Could not make signature")
else: else:
raise newException(EcKeyIncorrectError, "Incorrect private key") raise newException(EcKeyIncorrectError, "Incorrect private key")
else:
raise newException(EcSignatureError, "Empty message")
proc verify*[T: byte|char](sig: EcSignature, message: openarray[T], proc verify*[T: byte|char](sig: EcSignature, message: openarray[T],
pubkey: EcPublicKey): bool {.inline.} = pubkey: EcPublicKey): bool {.inline.} =
@ -655,32 +637,17 @@ proc verify*[T: byte|char](sig: EcSignature, message: openarray[T],
var hc: BrHashCompatContext var hc: BrHashCompatContext
var hash: array[32, byte] var hash: array[32, byte]
var impl = brEcGetDefault() var impl = brEcGetDefault()
if len(message) > 0: if pubkey.key.curve in EcSupportedCurvesCint:
if pubkey.key.curve in EcSupportedCurvesCint and
pubkey.key.curve == sig.curve:
var kv = addr sha256Vtable var kv = addr sha256Vtable
kv.init(addr hc.vtable) kv.init(addr hc.vtable)
if len(message) > 0:
kv.update(addr hc.vtable, unsafeAddr message[0], len(message)) kv.update(addr hc.vtable, unsafeAddr message[0], len(message))
else:
kv.update(addr hc.vtable, nil, 0)
kv.output(addr hc.vtable, addr hash[0]) kv.output(addr hc.vtable, addr hash[0])
let res = brEcdsaVerifyRaw(impl, addr hash[0], 32, unsafeAddr pubkey.key, let res = brEcdsaVerifyAsn1(impl, addr hash[0], len(hash),
unsafeAddr pubkey.key,
addr sig.buffer[0], len(sig.buffer)) addr sig.buffer[0], len(sig.buffer))
# Clear context with initial value # Clear context with initial value
kv.init(addr hc.vtable) kv.init(addr hc.vtable)
result = (res == 1) result = (res == 1)
when isMainModule:
var buffer = newSeq[byte]()
var kp = EcKeyPair.random(Secp256r1)
var length: int
var serializedSK = kp.seckey.getBytes()
var serializedPK = kp.pubkey.getBytes()
echo toHex(serializedPK)
echo toHex(serializedSK)
var kp2 = EcPrivateKey.init(serializedSK)
echo toHex(kp2.getBytes())
var pk2 = EcPublicKey.init(serializedPK)
echo repr pk2
echo toHex(pk2.getBytes())

499
tests/testecnist.nim Normal file
View File

@ -0,0 +1,499 @@
## Nim-Libp2p
## Copyright (c) 2018 Status Research & Development GmbH
## Licensed under either of
## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
## * MIT license ([LICENSE-MIT](LICENSE-MIT))
## at your option.
## This file may not be copied, modified, or distributed except according to
## those terms.
import unittest
import nimcrypto/utils
import ../libp2p/crypto/ecnist
const
TestsCount = 10 # number of random tests
# Test vectors obtained from BearSSL test vectors (test_crypto.c) by
# conversion of raw values to ASN.1 DER binary encoded form.
SignatureSecKeys = [
"""30770201010420C9AFA9D845BA75166B5C215767B1D6934E50C3DB36E89B127B
8A622B120F6721A00A06082A8648CE3D030107A1440342000460FED4BA255A9D
31C961EB74C6356D68C049B8923B61FA6CE669622E60F29FB67903FE1008B8BC
99A41AE9E95628BC64F2F1B20C2D7E9F5177A3C294D4462299""",
"""30770201010420C9AFA9D845BA75166B5C215767B1D6934E50C3DB36E89B127B
8A622B120F6721A00A06082A8648CE3D030107A1440342000460FED4BA255A9D
31C961EB74C6356D68C049B8923B61FA6CE669622E60F29FB67903FE1008B8BC
99A41AE9E95628BC64F2F1B20C2D7E9F5177A3C294D4462299""",
"""3081A402010104306B9D3DAD2E1B8C1C05B19875B6659F4DE23C3B667BF297BA
9AA47740787137D896D5724E4C70A825F872C9EA60D2EDF5A00706052B810400
22A16403620004EC3A4E415B4E19A4568618029F427FA5DA9A8BC4AE92E02E06
AAE5286B300C64DEF8F0EA9055866064A254515480BC138015D9B72D7D57244E
A8EF9AC0C621896708A59367F9DFB9F54CA84B3F1C9DB1288B231C3AE0D4FE73
44FD2533264720""",
"""3081A402010104306B9D3DAD2E1B8C1C05B19875B6659F4DE23C3B667BF297BA
9AA47740787137D896D5724E4C70A825F872C9EA60D2EDF5A00706052B810400
22A16403620004EC3A4E415B4E19A4568618029F427FA5DA9A8BC4AE92E02E06
AAE5286B300C64DEF8F0EA9055866064A254515480BC138015D9B72D7D57244E
A8EF9AC0C621896708A59367F9DFB9F54CA84B3F1C9DB1288B231C3AE0D4FE73
44FD2533264720""",
"""3081DC020101044200FAD06DAA62BA3B25D2FB40133DA757205DE67F5BB0018F
EE8C86E1B68C7E75CAA896EB32F1F47C70855836A6D16FCC1466F6D8FBEC67DB
89EC0C08B0E996B83538A00706052B81040023A18189038186000401894550D0
785932E00EAA23B694F213F8C3121F86DC97A04E5A7167DB4E5BCD371123D46E
45DB6B5D5370A7F20FB633155D38FFA16D2BD761DCAC474B9A2F5023A4004931
01C962CD4D2FDDF782285E64584139C2F91B47F87FF82354D6630F746A28A0DB
25741B5B34A828008B22ACC23F924FAAFBD4D33F81EA66956DFEAA2BFDFCF5""",
"""3081DC020101044200FAD06DAA62BA3B25D2FB40133DA757205DE67F5BB0018F
EE8C86E1B68C7E75CAA896EB32F1F47C70855836A6D16FCC1466F6D8FBEC67DB
89EC0C08B0E996B83538A00706052B81040023A18189038186000401894550D0
785932E00EAA23B694F213F8C3121F86DC97A04E5A7167DB4E5BCD371123D46E
45DB6B5D5370A7F20FB633155D38FFA16D2BD761DCAC474B9A2F5023A4004931
01C962CD4D2FDDF782285E64584139C2F91B47F87FF82354D6630F746A28A0DB
25741B5B34A828008B22ACC23F924FAAFBD4D33F81EA66956DFEAA2BFDFCF5"""
]
SignaturePubKeys = [
"""3059301306072A8648CE3D020106082A8648CE3D0301070342000460FED4BA25
5A9D31C961EB74C6356D68C049B8923B61FA6CE669622E60F29FB67903FE1008
B8BC99A41AE9E95628BC64F2F1B20C2D7E9F5177A3C294D4462299""",
"""3059301306072A8648CE3D020106082A8648CE3D0301070342000460FED4BA25
5A9D31C961EB74C6356D68C049B8923B61FA6CE669622E60F29FB67903FE1008
B8BC99A41AE9E95628BC64F2F1B20C2D7E9F5177A3C294D4462299""",
"""3076301006072A8648CE3D020106052B8104002203620004EC3A4E415B4E19A4
568618029F427FA5DA9A8BC4AE92E02E06AAE5286B300C64DEF8F0EA90558660
64A254515480BC138015D9B72D7D57244EA8EF9AC0C621896708A59367F9DFB9
F54CA84B3F1C9DB1288B231C3AE0D4FE7344FD2533264720""",
"""3076301006072A8648CE3D020106052B8104002203620004EC3A4E415B4E19A4
568618029F427FA5DA9A8BC4AE92E02E06AAE5286B300C64DEF8F0EA90558660
64A254515480BC138015D9B72D7D57244EA8EF9AC0C621896708A59367F9DFB9
F54CA84B3F1C9DB1288B231C3AE0D4FE7344FD2533264720""",
"""30819B301006072A8648CE3D020106052B81040023038186000401894550D078
5932E00EAA23B694F213F8C3121F86DC97A04E5A7167DB4E5BCD371123D46E45
DB6B5D5370A7F20FB633155D38FFA16D2BD761DCAC474B9A2F5023A400493101
C962CD4D2FDDF782285E64584139C2F91B47F87FF82354D6630F746A28A0DB25
741B5B34A828008B22ACC23F924FAAFBD4D33F81EA66956DFEAA2BFDFCF5""",
"""30819B301006072A8648CE3D020106052B81040023038186000401894550D078
5932E00EAA23B694F213F8C3121F86DC97A04E5A7167DB4E5BCD371123D46E45
DB6B5D5370A7F20FB633155D38FFA16D2BD761DCAC474B9A2F5023A400493101
C962CD4D2FDDF782285E64584139C2F91B47F87FF82354D6630F746A28A0DB25
741B5B34A828008B22ACC23F924FAAFBD4D33F81EA66956DFEAA2BFDFCF5"""
]
SignatureMessages = [
"sample", "test", "sample", "test", "sample", "test"
]
SignatureVectors = [
"""3046022100EFD48B2AACB6A8FD1140DD9CD45E81D69D2C877B56AAF991C34D0E
A84EAF3716022100F7CB1C942D657C41D436C7A1B6E29F65F3E900DBB9AFF406
4DC4AB2F843ACDA8""",
"""3045022100F1ABB023518351CD71D881567B1EA663ED3EFCF6C5132B354F28D3
B0B7D383670220019F4113742A2B14BD25926B49C649155F267E60D3814B4C0C
C84250E46F0083""",
"""3065023021B13D1E013C7FA1392D03C5F99AF8B30C570C6F98D4EA8E354B63A2
1D3DAA33BDE1E888E63355D92FA2B3C36D8FB2CD023100F3AA443FB107745BF4
BD77CB3891674632068A10CA67E3D45DB2266FA7D1FEEBEFDC63ECCD1AC42EC0
CB8668A4FA0AB0""",
"""306402306D6DEFAC9AB64DABAFE36C6BF510352A4CC27001263638E5B16D9BB5
1D451559F918EEDAF2293BE5B475CC8F0188636B02302D46F3BECBCC523D5F1A
1256BF0C9B024D879BA9E838144C8BA6BAEB4B53B47D51AB373F9845C0514EEF
B14024787265""",
"""308187024201511BB4D675114FE266FC4372B87682BAECC01D3CC62CF2303C92
B3526012659D16876E25C7C1E57648F23B73564D67F61C6F14D527D549728104
21E7D87589E1A702414A171143A83163D6DF460AAF61522695F207A58B95C064
4D87E52AA1A347916E4F7A72930B1BC06DBE22CE3F58264AFD23704CBB63B29B
931F7DE6C9D949A7ECFC""",
"""30818702410E871C4A14F993C6C7369501900C4BC1E9C7B0B4BA44E04868B30B
41D8071042EB28C4C250411D0CE08CD197E4188EA4876F279F90B3D8D74A3C76
E6F1E4656AA8024200CD52DBAA33B063C3A6CD8058A1FB0A46A4754B034FCC64
4766CA14DA8CA5CA9FDE00E88C1AD60CCBA759025299079D7A427EC3CC5B619B
FBC828E7769BCD694E86"""
]
# This test vectors was generated using Go `crypto/ecdsa.go`.
# Its non-deterministic ECDSA signatures.
NDPrivateKeys = [
"""3077020101042068A2F6BCCA486C323C883328D890BA1C64A0B0CC9A8527D681
0AE8FDBB1B695CA00A06082A8648CE3D030107A144034200048EA1E33E80527E
FCAFB3E8924DD0CB3CF37DC406C65F6D69D6117B3F08A51E5280E2FE8AFAB32A
3EB1F4701BC7171FA62DDF46764A00E4024F286EADF3691FA0""",
"""3081A402010104301BC69416E84B85827018F7FC9EFCB6E426C1369ECA33CF45
10DBE38E065D5F78CB8F75185DCF2DBF5E239F18C424CF23A00706052B810400
22A164036200040B63293E10AE9348832D96F3EC1A4789D7F4F3F4F16E119E52
4227768FED3787D2FDEE6F4B9F2749EDBF4A0F1F72CACD1C7B3E9A7E2BD6E611
90D71133C55E479D7F73EECD73CE9BF471CDDAE9C234F394FAC6258E3B877FE2
5D6397D4B266CD""",
"""3081DC020101044201251023BBE7AA0121F34F39BD409021C4C3BB323E4729BF
D6842103C5628EC88F081BD01A8B27F25268CB4CFE46AE2741925EBCA3FA95C1
2A6D32AF161AEE2DB806A00706052B81040023A18189038186000400887F1A85
48791B40C677D80E70F5DFE84B50F301C4067222BDF1EE75B805227287A309C2
0C7E33E6FE93F651D6ABCE76E644DC16B220E34E68DCB5858262B00A07015923
7B66B29CABBDC352420E3652F6DCF6EB4EC6E08B0957EDC9ACC35CD684B99A78
E638C7937608749855C98C147DD46EE776234BA781D31C4FB05BB1D3648027"""
]
NDPublicKeys = [
"""3059301306072A8648CE3D020106082A8648CE3D030107034200048EA1E33E80
527EFCAFB3E8924DD0CB3CF37DC406C65F6D69D6117B3F08A51E5280E2FE8AFA
B32A3EB1F4701BC7171FA62DDF46764A00E4024F286EADF3691FA0""",
"""3076301006072A8648CE3D020106052B81040022036200040B63293E10AE9348
832D96F3EC1A4789D7F4F3F4F16E119E524227768FED3787D2FDEE6F4B9F2749
EDBF4A0F1F72CACD1C7B3E9A7E2BD6E61190D71133C55E479D7F73EECD73CE9B
F471CDDAE9C234F394FAC6258E3B877FE25D6397D4B266CD""",
"""30819B301006072A8648CE3D020106052B81040023038186000400887F1A8548
791B40C677D80E70F5DFE84B50F301C4067222BDF1EE75B805227287A309C20C
7E33E6FE93F651D6ABCE76E644DC16B220E34E68DCB5858262B00A070159237B
66B29CABBDC352420E3652F6DCF6EB4EC6E08B0957EDC9ACC35CD684B99A78E6
38C7937608749855C98C147DD46EE776234BA781D31C4FB05BB1D3648027"""
]
NDMessages = [
"sample", "sample", "sample", "test", "test", "test",
"sample", "sample", "sample", "test", "test", "test",
"sample", "sample", "sample", "test", "test", "test",
]
NDSignatures = [
"""304502210088C7E8176CBA8EBE0672391AB698101FC78F187AE029ACF7EA846633
2892B59B022078DA1A6792B7450084085881A482313C846F66162C15D9B50CBC2F
19427ACC9C""",
"""30450221008C4CD62BB25709AE0F060AAACF6FE63B87FACE3DA2B77EE545AC2289
7E250897022060A59D99C681DD736A6C18DC4ABF3635E749886A748908CB4E8E77
457212FC47""",
"""3046022100F86C58A4607DDBD3E2C780B4FCB64848F9216D22FFBCE898BA8F9D05
3EAF656E022100A5C2688897C0CC471602FF86D445B09EFB12EC64C75D9096A528
1D90948952DE""",
"""304402206CCE912F77B6E20709CD2A7D7C5E046674DBC958C247B1E3F7AEC766CF
A8EF72022056BF2A26EBD7AE4DA3080C75A2B2F247A941B87C941DC91F4FCBF19C
8B106DEC""",
"""3046022100D940CBF42025B33E23C67390CBF160F78A6FE76DA6721F6551F4CA67
E0C8D88D022100B51E501945EF340DBB5440D44242E71F67835E5B46C5F3E19FB8
F5C24F036DA2""",
"""3045022100A6BE7BADFD38D2ABEF78CE48471DA0D6580E33C2BAF4B48D1155247D
B5645E1E02206505D23CD41C10D1E55878FD9CF4072420F2DF7212728604F72DC2
B1BB8DFAB0""",
"""306402307566A2ACC93DF36170A0A2A98CA18A979E5F3052488FAA272DDEE8306A
CD6B48259E2BE3170346D3EFAA69B973909BA702300B066D618D3D1FB61328594B
79C45F1AAE4F8C99F8FAED79A9ED8C729BC1932F11E5D05A4410FABF394CCFC6AA
9A6AB9""",
"""3066023100AF3FCC8CCF5B2256ABF638BC18001985F4A8D9845EC6E1BE8E708D21
E60256E8CD00833EFC0F2E793BDC9B433482A09A023100DBA731B3D6B14CE8EE96
EDC083B97A01CE46A4B2F0583FCB9A2B7F12AC62985942DF386579E2CBBAF75C90
C468B7D1CB""",
"""3065023100E9022EB07F766FCC68D345CF758FBC54EFCAC086CD8625DFDE588F67
D06A4357DE5F9ED39298F5D9299C7AB24E6E5984023006838D2A052990DB3A5BCC
12CAE45863DEC9023625C12D143DD4F75FCC50625FB35108BA2090C1FCAC48353F
54A03021""",
"""3066023100C77C91B69D2064DD312A149C8074DCAC7FC734EB70AF3FF52F7F7D6E
4253C163FF1A574ADC30C58DDD58CF06F883B880023100F780E8D1F094F6112EC7
8317CF1BDEB068D1BB472D8CB6E49A707409F0A22C867A254EE80F8949260E31AB
5AF9AD4060""",
"""3065023100D9027A9485BAB5BE90F2D9FCB14A494CA8B829C7A815F40DD17235D2
4296927122CBC11A1417D9856E815DF81AF3950202305A617D78CEA2586A55EB85
63B3563385753A6F84D2AF02C61F889DF6EDD6F1D0A3DE07BD859D7CB1D8264726
696130D6""",
"""306502307F476CBE232E1BFED31061713B5611852B730ACB4053C6AB2D85C4563A
581A773B4A76F65D8DDB76D09BC038AEB3B2AC023100C778A6DCB18451A251DD9D
BD55F18CC45FAC16EA458270A6C7B8E0D7BC91264C66CDDB8013C17EC98365B0FA
6B0049AA""",
"""30818802420137C1D1943C9ABCA116D87B46C2D7A146AE358F1378ACA58D405735
20B6BEDECDC500EF9172B363B862734C528ED01484822E168FB6BFDB2342A0AB45
8DD3B7BB8B024200FEDC89C8BF2611ABD27FDAD58E5DAAC9DD744D744017E29002
573D0F6F8A6B13D6901ADC07D5C6D1746910340D8C2C0D6109F939C0172D1F229A
818E0C6643E774""",
"""3081880242012173FFB97D1318F53F50818DAADB5B600ED928F39CD98F712C44BB
810AB4EE74D02C385DFEBEFCC2DC56DE4EB2794681EC0345B170C3BEFCDF2A1693
9DC6DDF58D024201724AB5BED8F88B30E84CB0A2ED4BDD12EB2222C9E4FC0897B9
4390FD44FFE118A7EDB948E1AB7FDB1A19C920A4160DA4596DA5D2731D10143DE5
103FFF93A51EF6""",
"""30818602416BADAFFFF67959764ADC0F45AB0911DE85D0FC0608A0AD60C14456E1
01CBF51CBBEB9D0B2E71EBE3EC1B4D45851ED71CAFE0A83DF593C803350A6BB36E
0EB18A21024169E20B6463357D4363BE05DF3B4FF5BC21FFAC652C7005E0314A3D
A443D3B537608139CE14A94C7C3A53063910F1062E385A4464022C5E662CC53833
EB870435E2""",
"""308187024158F13B64E188FF6BB766D129E087420D2070752D1E1F29BF64EE13C9
5FF222D7E5DF595EC21FED066A83C0027CE60C1A7BD92B4641E34CBB34ECFDE5F6
6762659D024201105D3482639186FC0322933998FE0E71E0BA359ED9BB8DE127E5
73A88311F735FFD87CF279B667A2AF681122EDA9F7FC7784E0E942A287C917C7EC
DFE2F8E6368C""",
"""30818802420145D48CA13B92808CAA7959574CDACF9959ED72A9ADC6FFCA0FD417
0F2EFD854C8C479099F0784D717A56EC9F5777A0096CD251F96F2CCB6061D2C8CA
CD09EB606C0242011683C215C7DE99E3D4FF8D543C6CFDCC49577A8978D10C818C
002A51D7C8D7FBC1814D82EDA9521F19C8895DCE6CAE97F8926CCCE3863D5E120F
77B6D2C891AB7F""",
"""308187024200F235341F4C39641FFBA7FFB1551C36E34F606F4C2970DE00096A37
722D83D07D0ADFB3D33492F2645B15A19FFAF6424A03487CE2E099069006037956
9972DC798A02412B6F169D23303B0C7764620514EF308F010EFB4E3A69912967EE
303B177FA12B58C4602183BCB58D5DB30917584EDFE4BE4B42EC0EE3E3FB75BDA8
C05CB9C3A2DA"""
]
suite "EC NIST-P256/384/521 test suite":
test "[secp256r1] Private key serialize/deserialize test":
for i in 0..<TestsCount:
var rkey1, rkey2: EcPrivateKey
var skey2 = newSeq[byte](256)
var key = EcPrivateKey.random(Secp256r1)
var skey1 = key.getBytes()
check:
key.toBytes(skey2) > 0
check:
rkey1.init(skey1) == Asn1Status.Success
rkey2.init(skey2) == Asn1Status.Success
var rkey3 = EcPrivateKey.init(skey1)
var rkey4 = EcPrivateKey.init(skey2)
check:
rkey1 == key
rkey2 == key
rkey3 == key
rkey4 == key
test "[secp256r1] Public key serialize/deserialize test":
for i in 0..<TestsCount:
var rkey1, rkey2: EcPublicKey
var skey2 = newSeq[byte](256)
var pair = EcKeyPair.random(Secp256r1)
var skey1 = pair.pubkey.getBytes()
check:
pair.pubkey.toBytes(skey2) > 0
rkey1.init(skey1) == Asn1Status.Success
rkey2.init(skey2) == Asn1Status.Success
var rkey3 = EcPublicKey.init(skey1)
var rkey4 = EcPublicKey.init(skey2)
check:
rkey1 == pair.pubkey
rkey2 == pair.pubkey
rkey3 == pair.pubkey
rkey4 == pair.pubkey
test "[secp256r1] ECDHE test":
for i in 0..<TestsCount:
var kp1 = EcKeyPair.random(Secp256r1)
var kp2 = EcKeyPair.random(Secp256r1)
var shared1 = kp2.pubkey.scalarMul(kp1.seckey)
var shared2 = kp1.pubkey.scalarMul(kp2.seckey)
check:
isNil(shared1) == false
isNil(shared2) == false
shared1 == shared2
test "[secp256r1] ECDSA test vectors":
for i in 0..<2:
var sk = EcPrivateKey.init(stripSpaces(SignatureSecKeys[i]))
var expectpk = EcPublicKey.init(stripSpaces(SignaturePubKeys[i]))
var checkpk = sk.getKey()
check expectpk == checkpk
var checksig = sk.sign(SignatureMessages[i])
var expectsig = EcSignature.init(stripSpaces(SignatureVectors[i]))
check:
checksig == expectsig
checksig.verify(SignatureMessages[i], checkpk) == true
checksig.buffer[len(checksig.buffer) - 1] = 0x80'u8
check checksig.verify(SignatureMessages[i], checkpk) == false
test "[secp256r1] ECDSA non-deterministic test vectors":
var sk = EcPrivateKey.init(stripSpaces(NDPrivateKeys[0]))
var pk = EcPublicKey.init(stripSpaces(NDPublicKeys[0]))
var checkpk = sk.getKey()
check pk == checkpk
for i in 0..<6:
var message = NDMessages[i]
var checksig = EcSignature.init(stripSpaces(NDSignatures[i]))
check checksig.verify(message, pk) == true
checksig.buffer[len(checksig.buffer) - 1] = 0x80'u8
check checksig.verify(message, pk) == false
test "[secp256r1] Generate/Sign/Serialize/Deserialize/Verify test":
var message = "message to sign"
for i in 0..<TestsCount:
var kp = EcKeyPair.random(Secp256r1)
var sig = kp.seckey.sign(message)
var sersk = kp.seckey.getBytes()
var serpk = kp.pubkey.getBytes()
var sersig = sig.getBytes()
var seckey = EcPrivateKey.init(sersk)
var pubkey = EcPublicKey.init(serpk)
var csig = EcSignature.init(sersig)
check csig.verify(message, pubkey) == true
csig.buffer[len(csig.buffer) - 1] = 0x80'u8
check csig.verify(message, pubkey) == false
test "[secp384r1] Private key serialize/deserialize test":
for i in 0..<TestsCount:
var rkey1, rkey2: EcPrivateKey
var skey2 = newSeq[byte](256)
var key = EcPrivateKey.random(Secp384r1)
var skey1 = key.getBytes()
check:
key.toBytes(skey2) > 0
check:
rkey1.init(skey1) == Asn1Status.Success
rkey2.init(skey2) == Asn1Status.Success
var rkey3 = EcPrivateKey.init(skey1)
var rkey4 = EcPrivateKey.init(skey2)
check:
rkey1 == key
rkey2 == key
rkey3 == key
rkey4 == key
test "[secp384r1] Public key serialize/deserialize test":
for i in 0..<TestsCount:
var rkey1, rkey2: EcPublicKey
var skey2 = newSeq[byte](256)
var pair = EcKeyPair.random(Secp384r1)
var skey1 = pair.pubkey.getBytes()
check:
pair.pubkey.toBytes(skey2) > 0
rkey1.init(skey1) == Asn1Status.Success
rkey2.init(skey2) == Asn1Status.Success
var rkey3 = EcPublicKey.init(skey1)
var rkey4 = EcPublicKey.init(skey2)
check:
rkey1 == pair.pubkey
rkey2 == pair.pubkey
rkey3 == pair.pubkey
rkey4 == pair.pubkey
test "[secp384r1] ECDHE test":
for i in 0..<TestsCount:
var kp1 = EcKeyPair.random(Secp384r1)
var kp2 = EcKeyPair.random(Secp384r1)
var shared1 = kp2.pubkey.scalarMul(kp1.seckey)
var shared2 = kp1.pubkey.scalarMul(kp2.seckey)
check:
isNil(shared1) == false
isNil(shared2) == false
shared1 == shared2
test "[secp384r1] ECDSA test vectors":
for i in 2..<4:
var sk = EcPrivateKey.init(stripSpaces(SignatureSecKeys[i]))
var expectpk = EcPublicKey.init(stripSpaces(SignaturePubKeys[i]))
var checkpk = sk.getKey()
check expectpk == checkpk
var checksig = sk.sign(SignatureMessages[i])
var expectsig = EcSignature.init(stripSpaces(SignatureVectors[i]))
check:
checksig == expectsig
checksig.verify(SignatureMessages[i], checkpk) == true
checksig.buffer[len(checksig.buffer) - 1] = 0x80'u8
check checksig.verify(SignatureMessages[i], checkpk) == false
test "[secp384r1] ECDSA non-deterministic test vectors":
var sk = EcPrivateKey.init(stripSpaces(NDPrivateKeys[1]))
var pk = EcPublicKey.init(stripSpaces(NDPublicKeys[1]))
var checkpk = sk.getKey()
check pk == checkpk
for i in 6..<12:
var message = NDMessages[i]
var checksig = EcSignature.init(stripSpaces(NDSignatures[i]))
check checksig.verify(message, pk) == true
checksig.buffer[len(checksig.buffer) - 1] = 0x80'u8
check checksig.verify(message, pk) == false
test "[secp384r1] Generate/Sign/Serialize/Deserialize/Verify test":
var message = "message to sign"
for i in 0..<TestsCount:
var kp = EcKeyPair.random(Secp384r1)
var sig = kp.seckey.sign(message)
var sersk = kp.seckey.getBytes()
var serpk = kp.pubkey.getBytes()
var sersig = sig.getBytes()
var seckey = EcPrivateKey.init(sersk)
var pubkey = EcPublicKey.init(serpk)
var csig = EcSignature.init(sersig)
check csig.verify(message, pubkey) == true
csig.buffer[len(csig.buffer) - 1] = 0x80'u8
check csig.verify(message, pubkey) == false
test "[secp521r1] Private key serialize/deserialize test":
for i in 0..<TestsCount:
var rkey1, rkey2: EcPrivateKey
var skey2 = newSeq[byte](256)
var key = EcPrivateKey.random(Secp521r1)
var skey1 = key.getBytes()
check:
key.toBytes(skey2) > 0
check:
rkey1.init(skey1) == Asn1Status.Success
rkey2.init(skey2) == Asn1Status.Success
var rkey3 = EcPrivateKey.init(skey1)
var rkey4 = EcPrivateKey.init(skey2)
check:
rkey1 == key
rkey2 == key
rkey3 == key
rkey4 == key
test "[secp521r1] Public key serialize/deserialize test":
for i in 0..<TestsCount:
var rkey1, rkey2: EcPublicKey
var skey2 = newSeq[byte](256)
var pair = EcKeyPair.random(Secp521r1)
var skey1 = pair.pubkey.getBytes()
check:
pair.pubkey.toBytes(skey2) > 0
rkey1.init(skey1) == Asn1Status.Success
rkey2.init(skey2) == Asn1Status.Success
var rkey3 = EcPublicKey.init(skey1)
var rkey4 = EcPublicKey.init(skey2)
check:
rkey1 == pair.pubkey
rkey2 == pair.pubkey
rkey3 == pair.pubkey
rkey4 == pair.pubkey
test "[secp521r1] ECDHE test":
for i in 0..<TestsCount:
var kp1 = EcKeyPair.random(Secp521r1)
var kp2 = EcKeyPair.random(Secp521r1)
var shared1 = kp2.pubkey.scalarMul(kp1.seckey)
var shared2 = kp1.pubkey.scalarMul(kp2.seckey)
check:
isNil(shared1) == false
isNil(shared2) == false
shared1 == shared2
test "[secp521r1] ECDSA test vectors":
for i in 4..<6:
var sk = EcPrivateKey.init(stripSpaces(SignatureSecKeys[i]))
var expectpk = EcPublicKey.init(stripSpaces(SignaturePubKeys[i]))
var checkpk = sk.getKey()
check expectpk == checkpk
var checksig = sk.sign(SignatureMessages[i])
var expectsig = EcSignature.init(stripSpaces(SignatureVectors[i]))
check:
checksig == expectsig
checksig.verify(SignatureMessages[i], checkpk) == true
checksig.buffer[len(checksig.buffer) - 1] = 0x80'u8
check checksig.verify(SignatureMessages[i], checkpk) == false
test "[secp521r1] ECDSA non-deterministic test vectors":
var sk = EcPrivateKey.init(stripSpaces(NDPrivateKeys[2]))
var pk = EcPublicKey.init(stripSpaces(NDPublicKeys[2]))
var checkpk = sk.getKey()
check pk == checkpk
for i in 12..<18:
var message = NDMessages[i]
var checksig = EcSignature.init(stripSpaces(NDSignatures[i]))
check checksig.verify(message, pk) == true
checksig.buffer[len(checksig.buffer) - 1] = 0x80'u8
check checksig.verify(message, pk) == false
test "[secp521r1] Generate/Sign/Serialize/Deserialize/Verify test":
var message = "message to sign"
for i in 0..<TestsCount:
var kp = EcKeyPair.random(Secp521r1)
var sig = kp.seckey.sign(message)
var sersk = kp.seckey.getBytes()
var serpk = kp.pubkey.getBytes()
var sersig = sig.getBytes()
var seckey = EcPrivateKey.init(sersk)
var pubkey = EcPublicKey.init(serpk)
var csig = EcSignature.init(sersig)
check csig.verify(message, pubkey) == true
csig.buffer[len(csig.buffer) - 1] = 0x80'u8
check csig.verify(message, pubkey) == false