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std/crypto/aes: fix AES {encrypt,decrypt}Wide

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These functions are  not used by anything yet, but run the last
round only once.
This commit is contained in:
Frank Denis
2021-02-28 00:33:50 +01:00
committed by Veikka Tuominen
parent b959029f88
commit 0423f0f7d8
2 changed files with 4 additions and 16 deletions
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10
lib/std/crypto/aes/aesni.zig
View File

@@ -313,10 +313,7 @@ pub fn AesEncryptCtx(comptime Aes: type) type {
inline while (i < rounds) : (i += 1) {
ts = Block.parallel.encryptWide(count, ts, round_keys[i]);
}
i = 1;
inline while (i < count) : (i += 1) {
ts = Block.parallel.encryptLastWide(count, ts, round_keys[i]);
}
ts = Block.parallel.encryptLastWide(count, ts, round_keys[i]);
j = 0;
inline while (j < count) : (j += 1) {
dst[16 * j .. 16 * j + 16].* = ts[j].toBytes();
@@ -392,10 +389,7 @@ pub fn AesDecryptCtx(comptime Aes: type) type {
inline while (i < rounds) : (i += 1) {
ts = Block.parallel.decryptWide(count, ts, inv_round_keys[i]);
}
i = 1;
inline while (i < count) : (i += 1) {
ts = Block.parallel.decryptLastWide(count, ts, inv_round_keys[i]);
}
ts = Block.parallel.decryptLastWide(count, ts, inv_round_keys[i]);
j = 0;
inline while (j < count) : (j += 1) {
dst[16 * j .. 16 * j + 16].* = ts[j].toBytes();

10
lib/std/crypto/aes/armcrypto.zig
View File

@@ -364,10 +364,7 @@ pub fn AesEncryptCtx(comptime Aes: type) type {
inline while (i < rounds) : (i += 1) {
ts = Block.parallel.encryptWide(count, ts, round_keys[i]);
}
i = 1;
inline while (i < count) : (i += 1) {
ts = Block.parallel.encryptLastWide(count, ts, round_keys[i]);
}
ts = Block.parallel.encryptLastWide(count, ts, round_keys[i]);
j = 0;
inline while (j < count) : (j += 1) {
dst[16 * j .. 16 * j + 16].* = ts[j].toBytes();
@@ -443,10 +440,7 @@ pub fn AesDecryptCtx(comptime Aes: type) type {
inline while (i < rounds) : (i += 1) {
ts = Block.parallel.decryptWide(count, ts, inv_round_keys[i]);
}
i = 1;
inline while (i < count) : (i += 1) {
ts = Block.parallel.decryptLastWide(count, ts, inv_round_keys[i]);
}
ts = Block.parallel.decryptLastWide(count, ts, inv_round_keys[i]);
j = 0;
inline while (j < count) : (j += 1) {
dst[16 * j .. 16 * j + 16].* = ts[j].toBytes();