59 lines
1.6 KiB
Java
59 lines
1.6 KiB
Java
|
package org.bouncycastle.crypto.params;
|
||
|
|
|
||
|
|
import org.bouncycastle.crypto.DerivationParameters;
|
||
|
|
import org.bouncycastle.util.Arrays;
|
||
|
|
|
||
|
|
/* loaded from: classes6.dex */
|
||
|
|
public class HKDFParameters implements DerivationParameters {
|
||
|
|
private final byte[] ikm;
|
||
|
|
private final byte[] info;
|
||
|
|
private final byte[] salt;
|
||
|
|
private final boolean skipExpand;
|
||
|
|
|
||
|
|
public boolean skipExtract() {
|
||
|
|
return this.skipExpand;
|
||
|
|
}
|
||
|
|
|
||
|
|
public byte[] getSalt() {
|
||
|
|
return Arrays.clone(this.salt);
|
||
|
|
}
|
||
|
|
|
||
|
|
public byte[] getInfo() {
|
||
|
|
return Arrays.clone(this.info);
|
||
|
|
}
|
||
|
|
|
||
|
|
public byte[] getIKM() {
|
||
|
|
return Arrays.clone(this.ikm);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static HKDFParameters skipExtractParameters(byte[] bArr, byte[] bArr2) {
|
||
|
|
return new HKDFParameters(bArr, true, null, bArr2);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static HKDFParameters defaultParameters(byte[] bArr) {
|
||
|
|
return new HKDFParameters(bArr, false, null, null);
|
||
|
|
}
|
||
|
|
|
||
|
|
public HKDFParameters(byte[] bArr, byte[] bArr2, byte[] bArr3) {
|
||
|
|
this(bArr, false, bArr2, bArr3);
|
||
|
|
}
|
||
|
|
|
||
|
|
private HKDFParameters(byte[] bArr, boolean z, byte[] bArr2, byte[] bArr3) {
|
||
|
|
if (bArr == null) {
|
||
|
|
throw new IllegalArgumentException("IKM (input keying material) should not be null");
|
||
|
|
}
|
||
|
|
this.ikm = Arrays.clone(bArr);
|
||
|
|
this.skipExpand = z;
|
||
|
|
if (bArr2 == null || bArr2.length == 0) {
|
||
|
|
this.salt = null;
|
||
|
|
} else {
|
||
|
|
this.salt = Arrays.clone(bArr2);
|
||
|
|
}
|
||
|
|
if (bArr3 == null) {
|
||
|
|
this.info = new byte[0];
|
||
|
|
} else {
|
||
|
|
this.info = Arrays.clone(bArr3);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|