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cleanup: replace C for loops with range

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This commit is contained in:
spaceface777
2020-02-24 17:55:16 +01:00
committed by GitHub
parent 5918946feb
commit ef8c1203b4
50 changed files with 168 additions and 170 deletions
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6
vlib/crypto/aes/block_generic.v
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@@ -63,7 +63,7 @@ fn encrypt_block_generic(xk []u32, dst, src []byte) {
mut t1 := u32(0)
mut t2 := u32(0)
mut t3 := u32(0)
for r := 0; r < nr; r++ {
for r in 0..nr {
t0 = xk[k+0] ^ te0[byte(s0>>24)] ^ te1[byte(s1>>16)] ^ te2[byte(s2>>8)] ^ u32(te3[byte(s3)])
t1 = xk[k+1] ^ te0[byte(s1>>24)] ^ te1[byte(s2>>16)] ^ te2[byte(s3>>8)] ^ u32(te3[byte(s0)])
t2 = xk[k+2] ^ te0[byte(s2>>24)] ^ te1[byte(s3>>16)] ^ te2[byte(s0>>8)] ^ u32(te3[byte(s1)])
@@ -115,7 +115,7 @@ fn decrypt_block_generic(xk []u32, dst, src []byte) {
mut t1 := u32(0)
mut t2 := u32(0)
mut t3 := u32(0)
for r := 0; r < nr; r++ {
for r in 0..nr {
t0 = xk[k+0] ^ td0[byte(s0>>24)] ^ td1[byte(s3>>16)] ^ td2[byte(s2>>8)] ^ u32(td3[byte(s1)])
t1 = xk[k+1] ^ td0[byte(s1>>24)] ^ td1[byte(s0>>16)] ^ td2[byte(s3>>8)] ^ u32(td3[byte(s2)])
t2 = xk[k+2] ^ td0[byte(s2>>24)] ^ td1[byte(s1>>16)] ^ td2[byte(s0>>8)] ^ u32(td3[byte(s3)])
@@ -189,7 +189,7 @@ fn expand_key_generic(key []byte, enc mut []u32, dec mut []u32) {
n := enc.len
for i = 0; i < n; i += 4 {
ei := n - i - 4
for j := 0; j < 4; j++ {
for j in 0..4 {
mut x := enc[ei+j]
if i > 0 && i+4 < n {
x = td0[s_box0[x>>24]] ^ td1[s_box0[x>>16&0xff]] ^ td2[s_box0[x>>8&0xff]] ^ td3[s_box0[x&u32(0xff)]]