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all: minor array fixes

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This commit is contained in:
Alexander Medvednikov
2020-12-20 16:08:56 +01:00
parent 3c210a57f9
commit 50a6976b5e
12 changed files with 357 additions and 417 deletions
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52
vlib/crypto/aes/aes_cbc.v
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@@ -44,33 +44,35 @@ pub fn (x &AesCbc) block_size() int {
}
pub fn (x &AesCbc) encrypt_blocks(mut dst_ []byte, src_ []byte) {
mut dst := *dst_
mut src := src_
if src.len % x.block_size != 0 {
panic('crypto.cipher: input not full blocks')
}
if dst.len < src.len {
panic('crypto.cipher: output smaller than input')
}
if subtle.inexact_overlap(dst[..src.len], src_) {
panic('crypto.cipher: invalid buffer overlap')
}
mut iv := x.iv
for src.len > 0 {
// Write the xor to dst, then encrypt in place.
cipher.xor_bytes(mut dst[..x.block_size], src[..x.block_size], iv)
x.b.encrypt(mut dst[..x.block_size], mut dst[..x.block_size])
// Move to the next block with this block as the next iv.
iv = dst[..x.block_size]
if x.block_size >= src.len {
src = []
} else {
src = src[x.block_size..]
unsafe {
mut dst := *dst_
mut src := src_
if src.len % x.block_size != 0 {
panic('crypto.cipher: input not full blocks')
}
dst = dst[x.block_size..]
if dst.len < src.len {
panic('crypto.cipher: output smaller than input')
}
if subtle.inexact_overlap(dst[..src.len], src_) {
panic('crypto.cipher: invalid buffer overlap')
}
mut iv := x.iv
for src.len > 0 {
// Write the xor to dst, then encrypt in place.
cipher.xor_bytes(mut dst[..x.block_size], src[..x.block_size], iv)
x.b.encrypt(mut dst[..x.block_size], mut dst[..x.block_size])
// Move to the next block with this block as the next iv.
iv = dst[..x.block_size]
if x.block_size >= src.len {
src = []
} else {
src = src[x.block_size..]
}
dst = dst[x.block_size..]
}
// Save the iv for the next crypt_blocks call.
copy(x.iv, iv)
}
// Save the iv for the next crypt_blocks call.
copy(x.iv, iv)
}
pub fn (mut x AesCbc) decrypt_blocks(mut dst []byte, src []byte) {