Add base32 encoding/decoding procedures and tests.
This commit is contained in:
cheatfate
parent
9d55f41909
commit
04b4d8f688
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@ -14,4 +14,5 @@ task test, "Runs the test suite":
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exec "nim c -r tests/testvarint"
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exec "nim c -r tests/testvarint"
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exec "nim c -r tests/testdaemon"
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exec "nim c -r tests/testdaemon"
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exec "nim c -r tests/testbase58"
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exec "nim c -r tests/testbase58"
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exec "nim c -r tests/testbase32"
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exec "nim c -r tests/testmultiaddress"
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exec "nim c -r tests/testmultiaddress"
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@ -0,0 +1,292 @@
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## Nim-Libp2p
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## Copyright (c) 2018 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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## This module implements BASE32 encoding and decoding procedures.
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## This module supports RFC4648's BASE32.
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type
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Base32Status* {.pure.} = enum
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Error,
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Success,
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Incorrect,
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Overrun
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Base32Alphabet* = object
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decode*: array[128, int8]
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encode*: array[32, uint8]
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Base32Upper* = object
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## Type to use RFC4868 alphabet in uppercase without padding
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Base32Lower* = object
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## Type to use RFC4868 alphabet in lowercase without padding
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Base32UpperPad* = object
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## Type to use RFC4868 alphabet in uppercase with padding
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Base32LowerPad* = object
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## Type to use RFC4868 alphabet in lowercase with padding
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HexBase32Upper* = object
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## Type to use RFC4868-HEX alphabet in uppercase without padding
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HexBase32Lower* = object
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## Type to use RFC4868-HEX alphabet in lowercase without padding
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HexBase32UpperPad* = object
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## Type to use RFC4868-HEX alphabet in uppercase with padding
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HexBase32LowerPad* = object
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## Type to use RFC4868-HEX alphabet in lowercase with padding
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Base32* = Base32Upper
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## By default we are using RFC4868 alphabet in uppercase without padding
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Base32PadTypes* = Base32UpperPad | Base32LowerPad |
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HexBase32UpperPad | HexBase32LowerPad
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## All types with padding support
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Base32NoPadTypes* = Base32Upper | Base32Lower | HexBase32Upper |
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HexBase32Lower
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## All types without padding
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Base32Types* = Base32NoPadTypes | Base32PadTypes
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## Supported types
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Base32Error* = object of Exception
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## Base32 specific exception type
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proc newAlphabet32*(s: string): Base32Alphabet =
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doAssert(len(s) == 32)
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for i in 0..<len(s):
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result.encode[i] = cast[uint8](s[i])
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for i in 0..<len(result.decode):
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result.decode[i] = -1
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for i in 0..<len(result.encode):
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result.decode[int(result.encode[i])] = int8(i)
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const
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RFCUpperCaseAlphabet* = newAlphabet32("ABCDEFGHIJKLMNOPQRSTUVWXYZ234567")
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RFCLowerCaseAlphabet* = newAlphabet32("abcdefghijklmnopqrstuvwxyz234567")
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HEXUpperCaseAlphabet* = newAlphabet32("0123456789ABCDEFGHIJKLMNOPQRSTUV")
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HEXLowerCaseAlphabet* = newAlphabet32("0123456789abcdefghijklmnopqrstuv")
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proc encodedLength*(btype: typedesc[Base32Types], length: int): int =
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## Return length of BASE32 encoded value for plain length ``length``.
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let reminder = length mod 5
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when btype is Base32NoPadTypes:
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result = ((length div 5) * 8) + (((reminder * 8) + 4) div 5)
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else:
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result = ((length div 5) * 8)
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if reminder != 0:
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result += 8
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proc decodedLength*(btype: typedesc[Base32Types], length: int): int =
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## Return length of decoded value of BASE32 encoded value of length
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## ``length``.
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let reminder = length mod 8
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result = (length div 8) * 5 + ((reminder * 5) div 8)
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proc convert5to8(inbytes: openarray[byte], outbytes: var openarray[char],
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length: int) {.inline.} =
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if length >= 1:
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outbytes[0] = chr(inbytes[0] shr 3)
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outbytes[1] = chr((inbytes[0] and 7'u8) shl 2)
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if length >= 2:
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outbytes[1] = chr(cast[byte](outbytes[1]) or cast[byte](inbytes[1] shr 6))
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outbytes[2] = chr((inbytes[1] shr 1) and 31'u8)
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outbytes[3] = chr((inbytes[1] and 1'u8) shl 4)
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if length >= 3:
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outbytes[3] = chr(cast[byte](outbytes[3]) or (inbytes[2] shr 4))
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outbytes[4] = chr((inbytes[2] and 15'u8) shl 1)
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if length >= 4:
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outbytes[4] = chr(cast[byte](outbytes[4]) or (inbytes[3] shr 7))
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outbytes[5] = chr((inbytes[3] shr 2) and 31'u8)
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outbytes[6] = chr((inbytes[3] and 3'u8) shl 3)
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if length >= 5:
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outbytes[6] = chr(cast[byte](outbytes[6]) or (inbytes[4] shr 5))
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outbytes[7] = chr(inbytes[4] and 31'u8)
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proc convert8to5(inbytes: openarray[byte], outbytes: var openarray[byte],
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length: int) {.inline.} =
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if length >= 2:
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outbytes[0] = inbytes[0] shl 3
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outbytes[0] = outbytes[0] or (inbytes[1] shr 2)
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if length >= 4:
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outbytes[1] = (inbytes[1] and 3'u8) shl 6
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outbytes[1] = outbytes[1] or (inbytes[2] shl 1)
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outbytes[1] = outbytes[1] or (inbytes[3] shr 4)
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if length >= 5:
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outbytes[2] = (inbytes[3] and 15'u8) shl 4
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outbytes[2] = outbytes[2] or (inbytes[4] shr 1)
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if length >= 7:
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outbytes[3] = (inbytes[4] and 1'u8) shl 7
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outbytes[3] = outbytes[3] or (inbytes[5] shl 2)
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outbytes[3] = outbytes[3] or (inbytes[6] shr 3)
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if length >= 8:
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outbytes[4] = (inbytes[6] and 7'u8) shl 5
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outbytes[4] = outbytes[4] or (inbytes[7] and 31'u8)
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proc encode*(btype: typedesc[Base32Types], inbytes: openarray[byte],
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outstr: var openarray[char], outlen: var int): Base32Status =
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## Encode array of bytes ``inbytes`` using BASE32 encoding and store
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## result to ``outstr``. On success ``Base32Status.Success`` will be returned
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## and ``outlen`` will be set to number of characters stored inside of
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## ``outstr``. If length of ``outstr`` is not enough then
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## ``Base32Status.Overrun`` will be returned and ``outlen`` will be set to
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## number of characters required.
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when (btype is Base32Upper) or (btype is Base32UpperPad):
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const alphabet = RFCUpperCaseAlphabet
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elif (btype is Base32Lower) or (btype is Base32LowerPad):
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const alphabet = RFCLowerCaseAlphabet
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elif (btype is HexBase32Upper) or (btype is HexBase32UpperPad):
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const alphabet = HEXUpperCaseAlphabet
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elif (btype is HexBase32Lower) or (btype is HexBase32LowerPad):
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const alphabet = HEXLowerCaseAlphabet
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if len(inbytes) == 0:
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outlen = 0
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return Base32Status.Success
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let length = btype.encodedLength(len(inbytes))
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if length > len(outstr):
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outlen = length
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return Base32Status.Overrun
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let reminder = len(inbytes) mod 5
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let limit = len(inbytes) - reminder
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var i, k: int
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while i < limit:
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convert5to8(inbytes.toOpenArray(i, i + 4),
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outstr.toOpenArray(k, k + 7), 5)
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for j in 0..7:
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outstr[k + j] = chr(alphabet.encode[ord(outstr[k + j])])
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k += 8
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i += 5
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if reminder != 0:
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convert5to8(inbytes.toOpenArray(i, i + reminder - 1),
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outstr.toOpenArray(k, length - 1), reminder)
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outstr[k] = chr(alphabet.encode[ord(outstr[k])])
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inc(k)
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while k < len(outstr):
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if ord(outstr[k]) != 0:
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outstr[k] = chr(alphabet.encode[ord(outstr[k])])
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inc(k)
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else:
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when (btype is Base32UpperPad) or (btype is Base32LowerPad) or
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(btype is HexBase32UpperPad) or (btype is HexBase32LowerPad):
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outstr[k] = '='
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inc(k)
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else:
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discard
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outlen = k
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result = Base32Status.Success
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proc encode*(btype: typedesc[Base32Types],
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inbytes: openarray[byte]): string {.inline.} =
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## Encode array of bytes ``inbytes`` using BASE32 encoding and return
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## encoded string.
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if len(inbytes) == 0:
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result = ""
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else:
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var length = 0
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result = newString(btype.encodedLength(len(inbytes)))
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if btype.encode(inbytes, result, length) == Base32Status.Success:
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result.setLen(length)
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else:
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result = ""
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proc decode*[T: byte|char](btype: typedesc[Base32Types], instr: openarray[T],
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outbytes: var openarray[byte], outlen: var int): Base32Status =
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## Decode BASE32 string and store array of bytes to ``outbytes``. On success
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## ``Base32Status.Success`` will be returned and ``outlen`` will be set
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## to number of bytes stored.
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##
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## ## If length of ``outbytes`` is not enough to store decoded bytes, then
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## ``Base32Status.Overrun`` will be returned and ``outlen`` will be set to
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## number of bytes required.
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when (btype is Base32Upper) or (btype is Base32UpperPad):
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const alphabet = RFCUpperCaseAlphabet
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elif (btype is Base32Lower) or (btype is Base32LowerPad):
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const alphabet = RFCLowerCaseAlphabet
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elif (btype is HexBase32Upper) or (btype is HexBase32UpperPad):
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const alphabet = HEXUpperCaseAlphabet
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elif (btype is HexBase32Lower) or (btype is HexBase32LowerPad):
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const alphabet = HEXLowerCaseAlphabet
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if len(instr) == 0:
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outlen = 0
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return Base32Status.Success
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let length = btype.decodedLength(len(instr))
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if length > len(outbytes):
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outlen = length
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return Base32Status.Overrun
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var inlen = len(instr)
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when (btype is Base32PadTypes):
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for i in countdown(inlen - 1, 0):
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if instr[i] != '=':
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break
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dec(inlen)
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let reminder = inlen mod 8
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let limit = inlen - reminder
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var buffer: array[8, byte]
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var i, k: int
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while i < limit:
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for j in 0..<8:
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if (cast[byte](instr[i + j]) and 0x80'u8) != 0:
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outlen = 0
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zeroMem(addr outbytes[0], i + 8)
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return Base32Status.Incorrect
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let ch = alphabet.decode[int8(instr[i + j])]
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if ch == -1:
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outlen = 0
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zeroMem(addr outbytes[0], i + 8)
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return Base32Status.Incorrect
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buffer[j] = cast[byte](ch)
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convert8to5(buffer, outbytes.toOpenArray(k, k + 4), 8)
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k += 5
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i += 8
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var incsize = 0
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if reminder != 0:
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if reminder == 1 or reminder == 3 or reminder == 6:
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outlen = 0
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zeroMem(addr outbytes[0], i + 8)
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return Base32Status.Incorrect
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elif reminder == 2:
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incsize = 1
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elif reminder == 4:
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incsize = 2
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elif reminder == 5:
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incsize = 3
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elif reminder == 7:
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incsize = 4
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for j in 0..<reminder:
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if (cast[byte](instr[i + j]) and 0x80'u8) != 0:
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outlen = 0
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zeroMem(addr outbytes[0], i + 8)
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result = Base32Status.Incorrect
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return
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let ch = alphabet.decode[int8(instr[i + j])]
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if ch == -1:
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outlen = 0
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zeroMem(addr outbytes[0], i + 8)
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result = Base32Status.Incorrect
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return
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buffer[j] = cast[byte](ch)
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convert8to5(buffer.toOpenArray(0, reminder - 1),
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outbytes.toOpenArray(k, length - 1), reminder)
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outlen = k + incsize
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result = Base32Status.Success
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proc decode*[T: byte|char](btype: typedesc[Base32Types],
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instr: openarray[T]): seq[byte] =
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## Decode BASE32 string ``instr`` and return sequence of bytes as result.
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if len(instr) == 0:
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result = newSeq[byte]()
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else:
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var length = 0
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result = newSeq[byte](btype.decodedLength(len(instr)))
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if btype.decode(instr, result, length) == Base32Status.Success:
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result.setLen(length)
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else:
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raise newException(Base32Error, "Incorrect base58 string")
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@ -0,0 +1,349 @@
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import unittest
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import ../libp2p/base32
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const TVBaseUpperPadding = [
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["f", "MY======"],
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["fo", "MZXQ===="],
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["foo", "MZXW6==="],
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["foob", "MZXW6YQ="],
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["fooba", "MZXW6YTB"],
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["foobar", "MZXW6YTBOI======"]
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]
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const TVBaseUpperNoPadding = [
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["f", "MY"],
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["fo", "MZXQ"],
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["foo", "MZXW6"],
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["foob", "MZXW6YQ"],
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["fooba", "MZXW6YTB"],
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["foobar", "MZXW6YTBOI"]
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]
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const TVBaseLowerPadding = [
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["f", "my======"],
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["fo", "mzxq===="],
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["foo", "mzxw6==="],
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["foob", "mzxw6yq="],
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["fooba", "mzxw6ytb"],
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["foobar", "mzxw6ytboi======"]
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]
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const TVBaseLowerNoPadding = [
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["f", "my"],
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["fo", "mzxq"],
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["foo", "mzxw6"],
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["foob", "mzxw6yq"],
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["fooba", "mzxw6ytb"],
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["foobar", "mzxw6ytboi"]
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]
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const TVHexUpperPadding = [
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["f", "CO======"],
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["fo", "CPNG===="],
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["foo", "CPNMU==="],
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["foob", "CPNMUOG="],
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["fooba", "CPNMUOJ1"],
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["foobar", "CPNMUOJ1E8======"]
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]
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const TVHexUpperNoPadding = [
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["f", "CO"],
|
||||||
|
["fo", "CPNG"],
|
||||||
|
["foo", "CPNMU"],
|
||||||
|
["foob", "CPNMUOG"],
|
||||||
|
["fooba", "CPNMUOJ1"],
|
||||||
|
["foobar", "CPNMUOJ1E8"]
|
||||||
|
]
|
||||||
|
|
||||||
|
const TVHexLowerPadding = [
|
||||||
|
["f", "co======"],
|
||||||
|
["fo", "cpng===="],
|
||||||
|
["foo", "cpnmu==="],
|
||||||
|
["foob", "cpnmuog="],
|
||||||
|
["fooba", "cpnmuoj1"],
|
||||||
|
["foobar", "cpnmuoj1e8======"]
|
||||||
|
]
|
||||||
|
|
||||||
|
const TVHexLowerNoPadding = [
|
||||||
|
["f", "co"],
|
||||||
|
["fo", "cpng"],
|
||||||
|
["foo", "cpnmu"],
|
||||||
|
["foob", "cpnmuog"],
|
||||||
|
["fooba", "cpnmuoj1"],
|
||||||
|
["foobar", "cpnmuoj1e8"]
|
||||||
|
]
|
||||||
|
|
||||||
|
suite "BASE32 encoding test suite":
|
||||||
|
test "Empty seq/string test":
|
||||||
|
var empty1 = newSeq[byte]()
|
||||||
|
var empty2 = ""
|
||||||
|
var encoded = newString(16)
|
||||||
|
var decoded = newSeq[byte](16)
|
||||||
|
|
||||||
|
var o1, o2, o3, o4, o5, o6, o7, o8: int
|
||||||
|
var e1 = Base32Upper.encode(empty1)
|
||||||
|
var e2 = Base32Lower.encode(empty1)
|
||||||
|
var e3 = Base32UpperPad.encode(empty1)
|
||||||
|
var e4 = Base32LowerPad.encode(empty1)
|
||||||
|
var e5 = HexBase32Upper.encode(empty1)
|
||||||
|
var e6 = HexBase32Lower.encode(empty1)
|
||||||
|
var e7 = HexBase32UpperPad.encode(empty1)
|
||||||
|
var e8 = HexBase32LowerPad.encode(empty1)
|
||||||
|
check:
|
||||||
|
Base32Upper.encode(empty1, encoded, o1) == Base32Status.Success
|
||||||
|
Base32Lower.encode(empty1, encoded, o2) == Base32Status.Success
|
||||||
|
Base32UpperPad.encode(empty1, encoded, o3) == Base32Status.Success
|
||||||
|
Base32LowerPad.encode(empty1, encoded, o4) == Base32Status.Success
|
||||||
|
HexBase32Upper.encode(empty1, encoded, o5) == Base32Status.Success
|
||||||
|
HexBase32Lower.encode(empty1, encoded, o6) == Base32Status.Success
|
||||||
|
HexBase32UpperPad.encode(empty1, encoded, o7) == Base32Status.Success
|
||||||
|
HexBase32LowerPad.encode(empty1, encoded, o8) == Base32Status.Success
|
||||||
|
len(e1) == 0
|
||||||
|
len(e2) == 0
|
||||||
|
len(e3) == 0
|
||||||
|
len(e4) == 0
|
||||||
|
len(e5) == 0
|
||||||
|
len(e6) == 0
|
||||||
|
len(e7) == 0
|
||||||
|
len(e8) == 0
|
||||||
|
o1 == 0
|
||||||
|
o2 == 0
|
||||||
|
o3 == 0
|
||||||
|
o4 == 0
|
||||||
|
o5 == 0
|
||||||
|
o6 == 0
|
||||||
|
o7 == 0
|
||||||
|
o8 == 0
|
||||||
|
var d1 = Base32Upper.decode("")
|
||||||
|
var d2 = Base32Lower.decode("")
|
||||||
|
var d3 = Base32UpperPad.decode("")
|
||||||
|
var d4 = Base32LowerPad.decode("")
|
||||||
|
var d5 = HexBase32Upper.decode("")
|
||||||
|
var d6 = HexBase32Lower.decode("")
|
||||||
|
var d7 = HexBase32UpperPad.decode("")
|
||||||
|
var d8 = HexBase32LowerPad.decode("")
|
||||||
|
check:
|
||||||
|
Base32Upper.decode(empty2, decoded, o1) == Base32Status.Success
|
||||||
|
Base32Lower.decode(empty2, decoded, o2) == Base32Status.Success
|
||||||
|
Base32UpperPad.decode(empty2, decoded, o3) == Base32Status.Success
|
||||||
|
Base32LowerPad.decode(empty2, decoded, o4) == Base32Status.Success
|
||||||
|
HexBase32Upper.decode(empty2, decoded, o5) == Base32Status.Success
|
||||||
|
HexBase32Lower.decode(empty2, decoded, o6) == Base32Status.Success
|
||||||
|
HexBase32UpperPad.decode(empty2, decoded, o7) == Base32Status.Success
|
||||||
|
HexBase32LowerPad.decode(empty2, decoded, o8) == Base32Status.Success
|
||||||
|
len(d1) == 0
|
||||||
|
len(d2) == 0
|
||||||
|
len(d3) == 0
|
||||||
|
len(d4) == 0
|
||||||
|
len(d5) == 0
|
||||||
|
len(d6) == 0
|
||||||
|
len(d7) == 0
|
||||||
|
len(d8) == 0
|
||||||
|
o1 == 0
|
||||||
|
o2 == 0
|
||||||
|
o3 == 0
|
||||||
|
o4 == 0
|
||||||
|
o5 == 0
|
||||||
|
o6 == 0
|
||||||
|
o7 == 0
|
||||||
|
o8 == 0
|
||||||
|
|
||||||
|
test "BASE32 uppercase padding test vectors":
|
||||||
|
for item in TVBaseUpperPadding:
|
||||||
|
let plain = cast[seq[byte]](item[0])
|
||||||
|
let expect = item[1]
|
||||||
|
var elen = 0
|
||||||
|
var dlen = 0
|
||||||
|
|
||||||
|
var e1 = Base32UpperPad.encode(plain)
|
||||||
|
var e2 = newString(Base32UpperPad.encodedLength(len(plain)))
|
||||||
|
check:
|
||||||
|
Base32UpperPad.encode(plain, e2, elen) == Base32Status.Success
|
||||||
|
e2.setLen(elen)
|
||||||
|
check:
|
||||||
|
e1 == expect
|
||||||
|
e2 == expect
|
||||||
|
|
||||||
|
var d1 = Base32UpperPad.decode(expect)
|
||||||
|
var d2 = newSeq[byte](Base32UpperPad.decodedLength(len(expect)))
|
||||||
|
check:
|
||||||
|
Base32UpperPad.decode(expect, d2, dlen) == Base32Status.Success
|
||||||
|
d2.setLen(dlen)
|
||||||
|
check:
|
||||||
|
d1 == plain
|
||||||
|
d2 == plain
|
||||||
|
|
||||||
|
test "BASE32 lowercase padding test vectors":
|
||||||
|
for item in TVBaseLowerPadding:
|
||||||
|
let plain = cast[seq[byte]](item[0])
|
||||||
|
let expect = item[1]
|
||||||
|
var elen = 0
|
||||||
|
var dlen = 0
|
||||||
|
|
||||||
|
var e1 = Base32LowerPad.encode(plain)
|
||||||
|
var e2 = newString(Base32LowerPad.encodedLength(len(plain)))
|
||||||
|
check:
|
||||||
|
Base32LowerPad.encode(plain, e2, elen) == Base32Status.Success
|
||||||
|
e2.setLen(elen)
|
||||||
|
check:
|
||||||
|
e1 == expect
|
||||||
|
e2 == expect
|
||||||
|
|
||||||
|
var d1 = Base32LowerPad.decode(expect)
|
||||||
|
var d2 = newSeq[byte](Base32LowerPad.decodedLength(len(expect)))
|
||||||
|
check:
|
||||||
|
Base32LowerPad.decode(expect, d2, dlen) == Base32Status.Success
|
||||||
|
d2.setLen(dlen)
|
||||||
|
check:
|
||||||
|
d1 == plain
|
||||||
|
d2 == plain
|
||||||
|
|
||||||
|
test "BASE32 uppercase no-padding test vectors":
|
||||||
|
for item in TVBaseUpperNoPadding:
|
||||||
|
let plain = cast[seq[byte]](item[0])
|
||||||
|
let expect = item[1]
|
||||||
|
var elen = 0
|
||||||
|
var dlen = 0
|
||||||
|
|
||||||
|
var e1 = Base32Upper.encode(plain)
|
||||||
|
var e2 = newString(Base32Upper.encodedLength(len(plain)))
|
||||||
|
check:
|
||||||
|
Base32Upper.encode(plain, e2, elen) == Base32Status.Success
|
||||||
|
e2.setLen(elen)
|
||||||
|
check:
|
||||||
|
e1 == expect
|
||||||
|
e2 == expect
|
||||||
|
|
||||||
|
var d1 = Base32Upper.decode(expect)
|
||||||
|
var d2 = newSeq[byte](Base32Upper.decodedLength(len(expect)))
|
||||||
|
check:
|
||||||
|
Base32Upper.decode(expect, d2, dlen) == Base32Status.Success
|
||||||
|
d2.setLen(dlen)
|
||||||
|
check:
|
||||||
|
d1 == plain
|
||||||
|
d2 == plain
|
||||||
|
|
||||||
|
test "BASE32 lowercase no-padding test vectors":
|
||||||
|
for item in TVBaseLowerNoPadding:
|
||||||
|
let plain = cast[seq[byte]](item[0])
|
||||||
|
let expect = item[1]
|
||||||
|
var elen = 0
|
||||||
|
var dlen = 0
|
||||||
|
|
||||||
|
var e1 = Base32Lower.encode(plain)
|
||||||
|
var e2 = newString(Base32Lower.encodedLength(len(plain)))
|
||||||
|
check:
|
||||||
|
Base32Lower.encode(plain, e2, elen) == Base32Status.Success
|
||||||
|
e2.setLen(elen)
|
||||||
|
check:
|
||||||
|
e1 == expect
|
||||||
|
e2 == expect
|
||||||
|
|
||||||
|
var d1 = Base32Lower.decode(expect)
|
||||||
|
var d2 = newSeq[byte](Base32Lower.decodedLength(len(expect)))
|
||||||
|
check:
|
||||||
|
Base32Lower.decode(expect, d2, dlen) == Base32Status.Success
|
||||||
|
d2.setLen(dlen)
|
||||||
|
check:
|
||||||
|
d1 == plain
|
||||||
|
d2 == plain
|
||||||
|
|
||||||
|
test "HEX-BASE32 uppercase padding test vectors":
|
||||||
|
for item in TVHexUpperPadding:
|
||||||
|
let plain = cast[seq[byte]](item[0])
|
||||||
|
let expect = item[1]
|
||||||
|
var elen = 0
|
||||||
|
var dlen = 0
|
||||||
|
|
||||||
|
var e1 = HexBase32UpperPad.encode(plain)
|
||||||
|
var e2 = newString(HexBase32UpperPad.encodedLength(len(plain)))
|
||||||
|
check:
|
||||||
|
HexBase32UpperPad.encode(plain, e2, elen) == Base32Status.Success
|
||||||
|
e2.setLen(elen)
|
||||||
|
check:
|
||||||
|
e1 == expect
|
||||||
|
e2 == expect
|
||||||
|
|
||||||
|
var d1 = HexBase32UpperPad.decode(expect)
|
||||||
|
var d2 = newSeq[byte](HexBase32UpperPad.decodedLength(len(expect)))
|
||||||
|
check:
|
||||||
|
HexBase32UpperPad.decode(expect, d2, dlen) == Base32Status.Success
|
||||||
|
d2.setLen(dlen)
|
||||||
|
check:
|
||||||
|
d1 == plain
|
||||||
|
d2 == plain
|
||||||
|
|
||||||
|
test "HEX-BASE32 lowercase padding test vectors":
|
||||||
|
for item in TVHexLowerPadding:
|
||||||
|
let plain = cast[seq[byte]](item[0])
|
||||||
|
let expect = item[1]
|
||||||
|
var elen = 0
|
||||||
|
var dlen = 0
|
||||||
|
|
||||||
|
var e1 = HexBase32LowerPad.encode(plain)
|
||||||
|
var e2 = newString(HexBase32LowerPad.encodedLength(len(plain)))
|
||||||
|
check:
|
||||||
|
HexBase32LowerPad.encode(plain, e2, elen) == Base32Status.Success
|
||||||
|
e2.setLen(elen)
|
||||||
|
check:
|
||||||
|
e1 == expect
|
||||||
|
e2 == expect
|
||||||
|
|
||||||
|
var d1 = HexBase32LowerPad.decode(expect)
|
||||||
|
var d2 = newSeq[byte](HexBase32LowerPad.decodedLength(len(expect)))
|
||||||
|
check:
|
||||||
|
HexBase32LowerPad.decode(expect, d2, dlen) == Base32Status.Success
|
||||||
|
d2.setLen(dlen)
|
||||||
|
check:
|
||||||
|
d1 == plain
|
||||||
|
d2 == plain
|
||||||
|
|
||||||
|
test "HEX-BASE32 uppercase no-padding test vectors":
|
||||||
|
for item in TVHexUpperNoPadding:
|
||||||
|
let plain = cast[seq[byte]](item[0])
|
||||||
|
let expect = item[1]
|
||||||
|
var elen = 0
|
||||||
|
var dlen = 0
|
||||||
|
|
||||||
|
var e1 = HexBase32Upper.encode(plain)
|
||||||
|
var e2 = newString(HexBase32Upper.encodedLength(len(plain)))
|
||||||
|
check:
|
||||||
|
HexBase32Upper.encode(plain, e2, elen) == Base32Status.Success
|
||||||
|
e2.setLen(elen)
|
||||||
|
check:
|
||||||
|
e1 == expect
|
||||||
|
e2 == expect
|
||||||
|
|
||||||
|
var d1 = HexBase32Upper.decode(expect)
|
||||||
|
var d2 = newSeq[byte](HexBase32Upper.decodedLength(len(expect)))
|
||||||
|
check:
|
||||||
|
HexBase32Upper.decode(expect, d2, dlen) == Base32Status.Success
|
||||||
|
d2.setLen(dlen)
|
||||||
|
check:
|
||||||
|
d1 == plain
|
||||||
|
d2 == plain
|
||||||
|
|
||||||
|
test "HEX-BASE32 lowercase no-padding test vectors":
|
||||||
|
for item in TVHexLowerNoPadding:
|
||||||
|
let plain = cast[seq[byte]](item[0])
|
||||||
|
let expect = item[1]
|
||||||
|
var elen = 0
|
||||||
|
var dlen = 0
|
||||||
|
|
||||||
|
var e1 = HexBase32Lower.encode(plain)
|
||||||
|
var e2 = newString(HexBase32Lower.encodedLength(len(plain)))
|
||||||
|
check:
|
||||||
|
HexBase32Lower.encode(plain, e2, elen) == Base32Status.Success
|
||||||
|
e2.setLen(elen)
|
||||||
|
check:
|
||||||
|
e1 == expect
|
||||||
|
e2 == expect
|
||||||
|
|
||||||
|
var d1 = HexBase32Lower.decode(expect)
|
||||||
|
var d2 = newSeq[byte](HexBase32Lower.decodedLength(len(expect)))
|
||||||
|
check:
|
||||||
|
HexBase32Lower.decode(expect, d2, dlen) == Base32Status.Success
|
||||||
|
d2.setLen(dlen)
|
||||||
|
check:
|
||||||
|
d1 == plain
|
||||||
|
d2 == plain
|
||||||
Loading…
Reference in New Issue