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