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Use mem.copy() instead of manual iterations

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This commit is contained in:
Frank Denis 2020-09-29 00:41:37 +02:00
parent 868a46eb43
commit 613f8fe83f
1 changed files with 4 additions and 10 deletions
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14
lib/std/crypto/gimli.zig
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@ -249,17 +249,13 @@ pub const Aead = struct {
in = in[State.RATE..];
out = out[State.RATE..];
}) {
const d = in[0..State.RATE];
for (d) |v, i| {
for (in[0..State.RATE]) |v, i| {
buf[i] ^= v;
}
for (d) |_, i| {
out[i] = buf[i];
}
mem.copy(u8, out[0..State.RATE], buf[0..State.RATE]);
state.permute();
}
const d = in[0..];
for (d) |v, i| {
for (in[0..]) |v, i| {
buf[i] ^= v;
out[i] = buf[i];
}
@ -299,9 +295,7 @@ pub const Aead = struct {
for (d) |v, i| {
out[i] = buf[i] ^ v;
}
for (d) |v, i| {
buf[i] = v;
}
mem.copy(u8, buf[0..State.RATE], d[0..State.RATE]);
state.permute();
}
for (buf[0..in.len]) |*p, i| {