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remove md5_old (#21312)
This commit is contained in:
ringabout
@@ -1,297 +0,0 @@
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#
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#
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# Nim's Runtime Library
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# (c) Copyright 2010 Andreas Rumpf
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#
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# See the file "copying.txt", included in this
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# distribution, for details about the copyright.
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#
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# `std/md5` without VM and JavaScript support, to circumvent a bug with
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# openarrays on Nim < 1.4.
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when defined(nimHasStyleChecks):
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{.push styleChecks: off.}
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type
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MD5State = array[0..3, uint32]
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MD5Block = array[0..15, uint32]
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MD5CBits = array[0..7, uint8]
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MD5Digest* = array[0..15, uint8]
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## MD5 checksum of a string, obtained with the `toMD5 proc <#toMD5,string>`_.
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MD5Buffer = array[0..63, uint8]
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MD5Context* {.final.} = object
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state: MD5State
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count: array[0..1, uint32]
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buffer: MD5Buffer
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const
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padding: array[0..63, uint8] = [
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0x80'u8, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0
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]
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proc F(x, y, z: uint32): uint32 {.inline.} =
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result = (x and y) or ((not x) and z)
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proc G(x, y, z: uint32): uint32 {.inline.} =
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result = (x and z) or (y and (not z))
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proc H(x, y, z: uint32): uint32 {.inline.} =
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result = x xor y xor z
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proc I(x, y, z: uint32): uint32 {.inline.} =
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result = y xor (x or (not z))
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proc rot(x: var uint32, n: uint8) {.inline.} =
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x = (x shl n) or (x shr (32'u32 - n))
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proc FF(a: var uint32, b, c, d, x: uint32, s: uint8, ac: uint32) =
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a = a + F(b, c, d) + x + ac
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rot(a, s)
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a = a + b
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proc GG(a: var uint32, b, c, d, x: uint32, s: uint8, ac: uint32) =
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a = a + G(b, c, d) + x + ac
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rot(a, s)
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a = a + b
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proc HH(a: var uint32, b, c, d, x: uint32, s: uint8, ac: uint32) =
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a = a + H(b, c, d) + x + ac
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rot(a, s)
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a = a + b
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proc II(a: var uint32, b, c, d, x: uint32, s: uint8, ac: uint32) =
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a = a + I(b, c, d) + x + ac
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rot(a, s)
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a = a + b
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proc encode(dest: var MD5Block, src: openArray[uint8]) =
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var j = 0
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for i in 0..high(dest):
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dest[i] = uint32(ord(src[j])) or
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uint32(ord(src[j+1])) shl 8 or
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uint32(ord(src[j+2])) shl 16 or
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uint32(ord(src[j+3])) shl 24
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inc(j, 4)
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proc decode(dest: var openArray[uint8], src: openArray[uint32]) =
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var i = 0
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for j in 0..high(src):
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dest[i] = uint8(src[j] and 0xff'u32)
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dest[i+1] = uint8(src[j] shr 8 and 0xff'u32)
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dest[i+2] = uint8(src[j] shr 16 and 0xff'u32)
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dest[i+3] = uint8(src[j] shr 24 and 0xff'u32)
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inc(i, 4)
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template slice(s: string | cstring, a, b): openArray[uint8] =
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s.toOpenArrayByte(a, b)
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template slice(s: openArray[uint8], a, b): openArray[uint8] =
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s.toOpenArray(a, b)
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proc transform(buffer: openArray[uint8], state: var MD5State) =
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var
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myBlock: MD5Block
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encode(myBlock, buffer)
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var a = state[0]
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var b = state[1]
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var c = state[2]
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var d = state[3]
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FF(a, b, c, d, myBlock[0], 7'u8, 0xD76AA478'u32)
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FF(d, a, b, c, myBlock[1], 12'u8, 0xE8C7B756'u32)
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FF(c, d, a, b, myBlock[2], 17'u8, 0x242070DB'u32)
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FF(b, c, d, a, myBlock[3], 22'u8, 0xC1BDCEEE'u32)
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FF(a, b, c, d, myBlock[4], 7'u8, 0xF57C0FAF'u32)
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FF(d, a, b, c, myBlock[5], 12'u8, 0x4787C62A'u32)
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FF(c, d, a, b, myBlock[6], 17'u8, 0xA8304613'u32)
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FF(b, c, d, a, myBlock[7], 22'u8, 0xFD469501'u32)
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FF(a, b, c, d, myBlock[8], 7'u8, 0x698098D8'u32)
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FF(d, a, b, c, myBlock[9], 12'u8, 0x8B44F7AF'u32)
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FF(c, d, a, b, myBlock[10], 17'u8, 0xFFFF5BB1'u32)
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FF(b, c, d, a, myBlock[11], 22'u8, 0x895CD7BE'u32)
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FF(a, b, c, d, myBlock[12], 7'u8, 0x6B901122'u32)
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FF(d, a, b, c, myBlock[13], 12'u8, 0xFD987193'u32)
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FF(c, d, a, b, myBlock[14], 17'u8, 0xA679438E'u32)
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FF(b, c, d, a, myBlock[15], 22'u8, 0x49B40821'u32)
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GG(a, b, c, d, myBlock[1], 5'u8, 0xF61E2562'u32)
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GG(d, a, b, c, myBlock[6], 9'u8, 0xC040B340'u32)
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GG(c, d, a, b, myBlock[11], 14'u8, 0x265E5A51'u32)
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GG(b, c, d, a, myBlock[0], 20'u8, 0xE9B6C7AA'u32)
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GG(a, b, c, d, myBlock[5], 5'u8, 0xD62F105D'u32)
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GG(d, a, b, c, myBlock[10], 9'u8, 0x02441453'u32)
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GG(c, d, a, b, myBlock[15], 14'u8, 0xD8A1E681'u32)
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GG(b, c, d, a, myBlock[4], 20'u8, 0xE7D3FBC8'u32)
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GG(a, b, c, d, myBlock[9], 5'u8, 0x21E1CDE6'u32)
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GG(d, a, b, c, myBlock[14], 9'u8, 0xC33707D6'u32)
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GG(c, d, a, b, myBlock[3], 14'u8, 0xF4D50D87'u32)
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GG(b, c, d, a, myBlock[8], 20'u8, 0x455A14ED'u32)
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GG(a, b, c, d, myBlock[13], 5'u8, 0xA9E3E905'u32)
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GG(d, a, b, c, myBlock[2], 9'u8, 0xFCEFA3F8'u32)
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GG(c, d, a, b, myBlock[7], 14'u8, 0x676F02D9'u32)
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GG(b, c, d, a, myBlock[12], 20'u8, 0x8D2A4C8A'u32)
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HH(a, b, c, d, myBlock[5], 4'u8, 0xFFFA3942'u32)
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HH(d, a, b, c, myBlock[8], 11'u8, 0x8771F681'u32)
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HH(c, d, a, b, myBlock[11], 16'u8, 0x6D9D6122'u32)
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HH(b, c, d, a, myBlock[14], 23'u8, 0xFDE5380C'u32)
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HH(a, b, c, d, myBlock[1], 4'u8, 0xA4BEEA44'u32)
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HH(d, a, b, c, myBlock[4], 11'u8, 0x4BDECFA9'u32)
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HH(c, d, a, b, myBlock[7], 16'u8, 0xF6BB4B60'u32)
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HH(b, c, d, a, myBlock[10], 23'u8, 0xBEBFBC70'u32)
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HH(a, b, c, d, myBlock[13], 4'u8, 0x289B7EC6'u32)
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HH(d, a, b, c, myBlock[0], 11'u8, 0xEAA127FA'u32)
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HH(c, d, a, b, myBlock[3], 16'u8, 0xD4EF3085'u32)
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HH(b, c, d, a, myBlock[6], 23'u8, 0x04881D05'u32)
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HH(a, b, c, d, myBlock[9], 4'u8, 0xD9D4D039'u32)
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HH(d, a, b, c, myBlock[12], 11'u8, 0xE6DB99E5'u32)
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HH(c, d, a, b, myBlock[15], 16'u8, 0x1FA27CF8'u32)
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HH(b, c, d, a, myBlock[2], 23'u8, 0xC4AC5665'u32)
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II(a, b, c, d, myBlock[0], 6'u8, 0xF4292244'u32)
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II(d, a, b, c, myBlock[7], 10'u8, 0x432AFF97'u32)
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II(c, d, a, b, myBlock[14], 15'u8, 0xAB9423A7'u32)
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II(b, c, d, a, myBlock[5], 21'u8, 0xFC93A039'u32)
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II(a, b, c, d, myBlock[12], 6'u8, 0x655B59C3'u32)
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II(d, a, b, c, myBlock[3], 10'u8, 0x8F0CCC92'u32)
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II(c, d, a, b, myBlock[10], 15'u8, 0xFFEFF47D'u32)
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II(b, c, d, a, myBlock[1], 21'u8, 0x85845DD1'u32)
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II(a, b, c, d, myBlock[8], 6'u8, 0x6FA87E4F'u32)
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II(d, a, b, c, myBlock[15], 10'u8, 0xFE2CE6E0'u32)
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II(c, d, a, b, myBlock[6], 15'u8, 0xA3014314'u32)
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II(b, c, d, a, myBlock[13], 21'u8, 0x4E0811A1'u32)
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II(a, b, c, d, myBlock[4], 6'u8, 0xF7537E82'u32)
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II(d, a, b, c, myBlock[11], 10'u8, 0xBD3AF235'u32)
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II(c, d, a, b, myBlock[2], 15'u8, 0x2AD7D2BB'u32)
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II(b, c, d, a, myBlock[9], 21'u8, 0xEB86D391'u32)
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state[0] = state[0] + a
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state[1] = state[1] + b
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state[2] = state[2] + c
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state[3] = state[3] + d
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proc md5Init*(c: var MD5Context) {.raises: [], tags: [], gcsafe.}
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proc md5Update*(c: var MD5Context, input: openArray[uint8]) {.raises: [],
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tags: [], gcsafe.}
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proc md5Final*(c: var MD5Context, digest: var MD5Digest) {.raises: [], tags: [], gcsafe.}
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proc md5Update*(c: var MD5Context, input: cstring, len: int) {.raises: [],
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tags: [], gcsafe.} =
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## Updates the `MD5Context` with the `input` data of length `len`.
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##
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## If you use the `toMD5 proc <#toMD5,string>`_, there's no need to call this
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## function explicitly.
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md5Update(c, input.slice(0, len - 1))
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proc toMD5*(s: string): MD5Digest =
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## Computes the `MD5Digest` value for a string `s`.
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##
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## **See also:**
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## * `getMD5 proc <#getMD5,string>`_ which returns a string representation
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## of the `MD5Digest`
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## * `$ proc <#$,MD5Digest>`_ for converting MD5Digest to string
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runnableExamples:
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assert $toMD5("abc") == "900150983cd24fb0d6963f7d28e17f72"
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var c: MD5Context
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md5Init(c)
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md5Update(c, s.slice(0, s.len - 1))
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md5Final(c, result)
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proc `$`*(d: MD5Digest): string =
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## Converts a `MD5Digest` value into its string representation.
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const digits = "0123456789abcdef"
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result = ""
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for i in 0..15:
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add(result, digits[(d[i].int shr 4) and 0xF])
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add(result, digits[d[i].int and 0xF])
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proc getMD5*(s: string): string =
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## Computes an MD5 value of `s` and returns its string representation.
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##
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## **See also:**
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## * `toMD5 proc <#toMD5,string>`_ which returns the `MD5Digest` of a string
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runnableExamples:
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assert getMD5("abc") == "900150983cd24fb0d6963f7d28e17f72"
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var
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c: MD5Context
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d: MD5Digest
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md5Init(c)
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md5Update(c, s.slice(0, s.len - 1))
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md5Final(c, d)
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result = $d
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proc `==`*(D1, D2: MD5Digest): bool =
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## Checks if two `MD5Digest` values are identical.
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for i in 0..15:
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if D1[i] != D2[i]: return false
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return true
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proc clearBuffer(c: var MD5Context) {.inline.} =
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zeroMem(addr(c.buffer), sizeof(MD5Buffer))
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proc md5Init*(c: var MD5Context) =
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## Initializes an `MD5Context`.
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##
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## If you use the `toMD5 proc <#toMD5,string>`_, there's no need to call this
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## function explicitly.
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c.state[0] = 0x67452301'u32
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c.state[1] = 0xEFCDAB89'u32
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c.state[2] = 0x98BADCFE'u32
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c.state[3] = 0x10325476'u32
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c.count[0] = 0'u32
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c.count[1] = 0'u32
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clearBuffer(c)
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proc writeBuffer(c: var MD5Context, index: int,
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input: openArray[uint8], inputIndex, len: int) {.inline.} =
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copyMem(addr(c.buffer[index]), unsafeAddr(input[inputIndex]), len)
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proc md5Update*(c: var MD5Context, input: openArray[uint8]) =
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## Updates the `MD5Context` with the `input` data.
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##
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## If you use the `toMD5 proc <#toMD5,string>`_, there's no need to call this
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## function explicitly.
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var Index = int((c.count[0] shr 3) and 0x3F)
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c.count[0] = c.count[0] + (uint32(input.len) shl 3)
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if c.count[0] < (uint32(input.len) shl 3): c.count[1] = c.count[1] + 1'u32
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c.count[1] = c.count[1] + (uint32(input.len) shr 29)
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var PartLen = 64 - Index
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if input.len >= PartLen:
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writeBuffer(c, Index, input, 0, PartLen)
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transform(c.buffer, c.state)
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var i = PartLen
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while i + 63 < input.len:
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transform(input.slice(i, i + 63), c.state)
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inc(i, 64)
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if i < input.len:
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writeBuffer(c, 0, input, i, input.len - i)
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elif input.len > 0:
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writeBuffer(c, Index, input, 0, input.len)
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proc md5Final*(c: var MD5Context, digest: var MD5Digest) =
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## Finishes the `MD5Context` and stores the result in `digest`.
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##
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## If you use the `toMD5 proc <#toMD5,string>`_, there's no need to call this
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## function explicitly.
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var
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Bits: MD5CBits
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PadLen: int
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decode(Bits, c.count)
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var Index = int((c.count[0] shr 3) and 0x3F)
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if Index < 56: PadLen = 56 - Index
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else: PadLen = 120 - Index
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md5Update(c, padding.slice(0, PadLen - 1))
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md5Update(c, Bits)
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decode(digest, c.state)
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clearBuffer(c)
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when defined(nimHasStyleChecks):
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{.pop.} #{.push styleChecks: off.}
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@@ -11,7 +11,7 @@
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## represents a complete Nim project. Single modules can either be kept in RAM
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## or stored in a rod-file.
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import intsets, tables, hashes, md5_old
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import intsets, tables, hashes, md5
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import ast, astalgo, options, lineinfos,idents, btrees, ropes, msgs, pathutils, packages
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import ic / [packed_ast, ic]
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@@ -9,7 +9,7 @@
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## Computes hash values for routine (proc, method etc) signatures.
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import ast, tables, ropes, md5_old, modulegraphs
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import ast, tables, ropes, md5, modulegraphs
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from hashes import Hash
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import types
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