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crypto: use new copy & clone

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This commit is contained in:
joe-conigliaro
2019-07-30 00:33:35 +10:00
committed by Alexander Medvednikov
parent 6701c3b263
commit d87030972e
7 changed files with 60 additions and 86 deletions
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90
vlib/crypto/sha512/sha512.v
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@@ -9,9 +9,10 @@
module sha512
import math
import crypto
import encoding.binary
import (
crypto
encoding.binary
)
const (
// Size is the size, in bytes, of a SHA-512 checksum.
@@ -78,41 +79,41 @@ fn (d mut Digest) reset() {
d.x = [byte(0); Chunk]
switch d.function {
case crypto.Hash.SHA384:
d.h[0] = u64(Init0_384)
d.h[1] = u64(Init1_384)
d.h[2] = u64(Init2_384)
d.h[3] = u64(Init3_384)
d.h[4] = u64(Init4_384)
d.h[5] = u64(Init5_384)
d.h[6] = u64(Init6_384)
d.h[7] = u64(Init7_384)
d.h[0] = Init0_384
d.h[1] = Init1_384
d.h[2] = Init2_384
d.h[3] = Init3_384
d.h[4] = Init4_384
d.h[5] = Init5_384
d.h[6] = Init6_384
d.h[7] = Init7_384
case crypto.Hash.SHA512_224:
d.h[0] = u64(Init0_224)
d.h[1] = u64(Init1_224)
d.h[2] = u64(Init2_224)
d.h[3] = u64(Init3_224)
d.h[4] = u64(Init4_224)
d.h[5] = u64(Init5_224)
d.h[6] = u64(Init6_224)
d.h[7] = u64(Init7_224)
d.h[0] = Init0_224
d.h[1] = Init1_224
d.h[2] = Init2_224
d.h[3] = Init3_224
d.h[4] = Init4_224
d.h[5] = Init5_224
d.h[6] = Init6_224
d.h[7] = Init7_224
case crypto.Hash.SHA512_256:
d.h[0] = u64(Init0_256)
d.h[1] = u64(Init1_256)
d.h[2] = u64(Init2_256)
d.h[3] = u64(Init3_256)
d.h[4] = u64(Init4_256)
d.h[5] = u64(Init5_256)
d.h[6] = u64(Init6_256)
d.h[7] = u64(Init7_256)
d.h[0] = Init0_256
d.h[1] = Init1_256
d.h[2] = Init2_256
d.h[3] = Init3_256
d.h[4] = Init4_256
d.h[5] = Init5_256
d.h[6] = Init6_256
d.h[7] = Init7_256
default:
d.h[0] = u64(Init0)
d.h[1] = u64(Init1)
d.h[2] = u64(Init2)
d.h[3] = u64(Init3)
d.h[4] = u64(Init4)
d.h[5] = u64(Init5)
d.h[6] = u64(Init6)
d.h[7] = u64(Init7)
d.h[0] = Init0
d.h[1] = Init1
d.h[2] = Init2
d.h[3] = Init3
d.h[4] = Init4
d.h[5] = Init5
d.h[6] = Init6
d.h[7] = Init7
}
d.nx = 0
d.len = u64(0)
@@ -148,10 +149,7 @@ fn (d mut Digest) write(p []byte) ?int {
nn := p.len
d.len += u64(nn)
if d.nx > 0 {
n := int(math.min(f64(d.x.len), f64(p.len)))
for i:=0; i<n; i++ {
d.x.set(i+d.nx, p[i])
}
n := copy(d.x.right(d.nx), p)
d.nx += n
if d.nx == Chunk {
block(d, d.x)
@@ -173,10 +171,7 @@ fn (d mut Digest) write(p []byte) ?int {
}
}
if p.len > 0 {
d.nx = int(math.min(f64(d.x.len), f64(p.len)))
for i:=0; i<d.nx; i++ {
d.x.set(i, p[i])
}
d.nx = copy(d.x, p)
}
return nn
}
@@ -257,7 +252,8 @@ pub fn sum384(data []byte) []byte {
mut d := _new(crypto.Hash.SHA384)
d.write(data)
sum := d.checksum()
sum384 := sum.left(Size384)
mut sum384 := [byte(0); Size384]
copy(sum384, sum.left(Size384))
return sum384
}
@@ -266,7 +262,8 @@ pub fn sum512_224(data []byte) []byte {
mut d := _new(crypto.Hash.SHA512_224)
d.write(data)
sum := d.checksum()
sum224 := sum.left(Size224)
mut sum224 := [byte(0); Size224]
copy(sum224, sum.left(Size224))
return sum224
}
@@ -275,7 +272,8 @@ pub fn sum512_256(data []byte) []byte {
mut d := _new(crypto.Hash.SHA512_256)
d.write(data)
sum := d.checksum()
sum256 := sum.left(Size256)
mut sum256 := [byte(0); Size256]
copy(sum256, sum.left(Size256))
return sum256
}