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lower/snake case consts & enums

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joe-conigliaro 2019-10-24 22:48:20 +11:00 • committed by Alexander Medvednikov
parent fe17dd9a7e
commit 580abe0de4
20 changed files with 301 additions and 308 deletions
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46
vlib/crypto/aes/block_generic.v
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@ -64,10 +64,10 @@ fn encrypt_block_generic(xk []u32, dst, src []byte) {
mut t2 := u32(0)
mut t3 := u32(0)
for r := 0; r < nr; r++ {
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)])
t3 = xk[k+3] ^ Te0[byte(s3>>24)] ^ Te1[byte(s0>>16)] ^ Te2[byte(s1>>8)] ^ u32(Te3[byte(s2)])
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)])
t3 = xk[k+3] ^ te0[byte(s3>>24)] ^ te1[byte(s0>>16)] ^ te2[byte(s1>>8)] ^ u32(te3[byte(s2)])
k += 4
s0 = t0
s1 = t1
@ -76,10 +76,10 @@ fn encrypt_block_generic(xk []u32, dst, src []byte) {
}
// Last round uses s-box directly and XORs to produce output.
s0 = SBox0[t0>>24]<<24 | SBox0[t1>>16&0xff]<<16 | u32(SBox0[t2>>8&0xff]<<8) | SBox0[t3&u32(0xff)]
s1 = SBox0[t1>>24]<<24 | SBox0[t2>>16&0xff]<<16 | u32(SBox0[t3>>8&0xff]<<8) | SBox0[t0&u32(0xff)]
s2 = SBox0[t2>>24]<<24 | SBox0[t3>>16&0xff]<<16 | u32(SBox0[t0>>8&0xff]<<8) | SBox0[t1&u32(0xff)]
s3 = SBox0[t3>>24]<<24 | SBox0[t0>>16&0xff]<<16 | u32(SBox0[t1>>8&0xff]<<8) | SBox0[t2&u32(0xff)]
s0 = s_box0[t0>>24]<<24 | s_box0[t1>>16&0xff]<<16 | u32(s_box0[t2>>8&0xff]<<8) | s_box0[t3&u32(0xff)]
s1 = s_box0[t1>>24]<<24 | s_box0[t2>>16&0xff]<<16 | u32(s_box0[t3>>8&0xff]<<8) | s_box0[t0&u32(0xff)]
s2 = s_box0[t2>>24]<<24 | s_box0[t3>>16&0xff]<<16 | u32(s_box0[t0>>8&0xff]<<8) | s_box0[t1&u32(0xff)]
s3 = s_box0[t3>>24]<<24 | s_box0[t0>>16&0xff]<<16 | u32(s_box0[t1>>8&0xff]<<8) | s_box0[t2&u32(0xff)]
s0 ^= xk[k+0]
s1 ^= xk[k+1]
@ -116,10 +116,10 @@ fn decrypt_block_generic(xk []u32, dst, src []byte) {
mut t2 := u32(0)
mut t3 := u32(0)
for r := 0; r < nr; r++ {
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)])
t3 = xk[k+3] ^ Td0[byte(s3>>24)] ^ Td1[byte(s2>>16)] ^ Td2[byte(s1>>8)] ^ u32(Td3[byte(s0)])
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)])
t3 = xk[k+3] ^ td0[byte(s3>>24)] ^ td1[byte(s2>>16)] ^ td2[byte(s1>>8)] ^ u32(td3[byte(s0)])
k += 4
s0 = t0
s1 = t1
@ -128,10 +128,10 @@ fn decrypt_block_generic(xk []u32, dst, src []byte) {
}
// Last round uses s-box directly and XORs to produce output.
s0 = u32(SBox1[t0>>24])<<24 | u32(SBox1[t3>>16&0xff])<<16 | u32(SBox1[t2>>8&0xff]<<8) | u32(SBox1[t1&u32(0xff)])
s1 = u32(SBox1[t1>>24])<<24 | u32(SBox1[t0>>16&0xff])<<16 | u32(SBox1[t3>>8&0xff]<<8) | u32(SBox1[t2&u32(0xff)])
s2 = u32(SBox1[t2>>24])<<24 | u32(SBox1[t1>>16&0xff])<<16 | u32(SBox1[t0>>8&0xff]<<8) | u32(SBox1[t3&u32(0xff)])
s3 = u32(SBox1[t3>>24])<<24 | u32(SBox1[t2>>16&0xff])<<16 | u32(SBox1[t1>>8&0xff]<<8) | u32(SBox1[t0&u32(0xff)])
s0 = u32(s_box1[t0>>24])<<24 | u32(s_box1[t3>>16&0xff])<<16 | u32(s_box1[t2>>8&0xff]<<8) | u32(s_box1[t1&u32(0xff)])
s1 = u32(s_box1[t1>>24])<<24 | u32(s_box1[t0>>16&0xff])<<16 | u32(s_box1[t3>>8&0xff]<<8) | u32(s_box1[t2&u32(0xff)])
s2 = u32(s_box1[t2>>24])<<24 | u32(s_box1[t1>>16&0xff])<<16 | u32(s_box1[t0>>8&0xff]<<8) | u32(s_box1[t3&u32(0xff)])
s3 = u32(s_box1[t3>>24])<<24 | u32(s_box1[t2>>16&0xff])<<16 | u32(s_box1[t1>>8&0xff]<<8) | u32(s_box1[t0&u32(0xff)])
s0 ^= xk[k+0]
s1 ^= xk[k+1]
@ -145,12 +145,12 @@ fn decrypt_block_generic(xk []u32, dst, src []byte) {
binary.big_endian_put_u32(mut dst.slice(12, 16), s3)
}
// Apply SBox0 to each byte in w.
// Apply s_box0 to each byte in w.
fn subw(w u32) u32 {
return u32(SBox0[w>>24])<<24 |
u32(SBox0[w>>16&0xff]<<16) |
u32(SBox0[w>>8&0xff]<<8) |
u32(SBox0[w&u32(0xff)])
return u32(s_box0[w>>24])<<24 |
u32(s_box0[w>>16&0xff]<<16) |
u32(s_box0[w>>8&0xff]<<8) |
u32(s_box0[w&u32(0xff)])
}
// Rotate
@ -172,7 +172,7 @@ fn expand_key_generic(key []byte, enc mut []u32, dec mut []u32) {
for i < enc.len {
mut t := enc[i-1]
if i%nk == 0 {
t = subw(rotw(t)) ^ u32(PowX[i/nk-1]) << 24
t = subw(rotw(t)) ^ u32(pow_x[i/nk-1]) << 24
} else if nk > 6 && i%nk == 4 {
t = subw(t)
}
@ -192,7 +192,7 @@ fn expand_key_generic(key []byte, enc mut []u32, dec mut []u32) {
for j := 0; j < 4; j++ {
mut x := enc[ei+j]
if i > 0 && i+4 < n {
x = Td0[SBox0[x>>24]] ^ Td1[SBox0[x>>16&0xff]] ^ Td2[SBox0[x>>8&0xff]] ^ Td3[SBox0[x&u32(0xff)]]
x = td0[s_box0[x>>24]] ^ td1[s_box0[x>>16&0xff]] ^ td2[s_box0[x>>8&0xff]] ^ td3[s_box0[x&u32(0xff)]]
}
dec[i+j] = x
}