archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-28 23:34:52 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8252204: AArch64: Implement SHA3 accelerator/intrinsic

Browse source 
Co-authored-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Co-authored-by: Dong Bo <dongbo4@huawei.com>
Reviewed-by: aph, kvn
This commit is contained in:
Fei Yang 2020-10-22 04:38:39 +00:00
parent 7d3d4daefd
commit b25d894015
36 changed files with 1243 additions and 255 deletions
Download patch file Download diff file Expand all files Collapse all files

24
src/java.base/share/classes/sun/security/provider/SHA3.java
View file

@ -25,6 +25,7 @@
package sun.security.provider;
import jdk.internal.vm.annotation.IntrinsicCandidate;
import static sun.security.provider.ByteArrayAccess.*;
import java.nio.*;
import java.util.*;
@ -73,15 +74,25 @@ abstract class SHA3 extends DigestBase {
this.suffix = suffix;
}
private void implCompressCheck(byte[] b, int ofs) {
Objects.requireNonNull(b);
}
/**
* Core compression function. Processes blockSize bytes at a time
* and updates the state of this object.
*/
void implCompress(byte[] b, int ofs) {
for (int i = 0; i < buffer.length; i++) {
state[i] ^= b[ofs++];
}
keccak();
implCompressCheck(b, ofs);
implCompress0(b, ofs);
}
@IntrinsicCandidate
private void implCompress0(byte[] b, int ofs) {
for (int i = 0; i < buffer.length; i++) {
state[i] ^= b[ofs++];
}
keccak();
}
/**
@ -94,10 +105,7 @@ abstract class SHA3 extends DigestBase {
if (numOfPadding < 1) {
throw new ProviderException("Incorrect pad size: " + numOfPadding);
}
for (int i = 0; i < buffer.length; i++) {
state[i] ^= buffer[i];
}
keccak();
implCompress(buffer, 0);
System.arraycopy(state, 0, out, ofs, engineGetDigestLength());
}