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prepared stdlb for new integer arithmetic rules

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This commit is contained in:
Andreas Rumpf 2017-09-16 10:57:21 +02:00
commit 12af4a3f8a
2 changed files with 8 additions and 8 deletions
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12
lib/pure/md5.nim
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@ -78,10 +78,10 @@ proc encode(dest: var MD5Block, src: cstring) =
proc decode(dest: var openArray[uint8], src: openArray[uint32]) =
var i = 0
for j in 0..high(src):
dest[i] = src[j] and 0xff'u32
dest[i+1] = src[j] shr 8 and 0xff'u32
dest[i+2] = src[j] shr 16 and 0xff'u32
dest[i+3] = src[j] shr 24 and 0xff'u32
dest[i] = uint8(src[j] and 0xff'u32)
dest[i+1] = uint8(src[j] shr 8 and 0xff'u32)
dest[i+2] = uint8(src[j] shr 16 and 0xff'u32)
dest[i+3] = uint8(src[j] shr 24 and 0xff'u32)
inc(i, 4)
proc transform(buffer: pointer, state: var MD5State) =
@ -216,8 +216,8 @@ proc `$`*(d: MD5Digest): string =
const digits = "0123456789abcdef"
result = ""
for i in 0..15:
add(result, digits[(d[i] shr 4) and 0xF])
add(result, digits[d[i] and 0xF])
add(result, digits[(d[i].int shr 4) and 0xF])
add(result, digits[d[i].int and 0xF])
proc getMD5*(s: string): string =
## computes an MD5 value of `s` and returns its string representation

4
lib/pure/securehash.nim
View file

@ -148,13 +148,13 @@ proc sha1(src: cstring; len: int): Sha1Digest =
while lastBlockBytes < endCurrentBlock:
var value = uint32(src[lastBlockBytes + currentBlock]) shl
((3'u32 - (lastBlockBytes and 3)) shl 3)
((3'u32 - uint32(lastBlockBytes and 3)) shl 3)
w[lastBlockBytes shr 2] = w[lastBlockBytes shr 2] or value
inc(lastBlockBytes)
w[lastBlockBytes shr 2] = w[lastBlockBytes shr 2] or (
0x80'u32 shl ((3'u32 - (lastBlockBytes and 3)) shl 3)
0x80'u32 shl ((3'u32 - uint32(lastBlockBytes and 3)) shl 3)
)
if endCurrentBlock >= 56: