39 lines
1.1 KiB
Java
39 lines
1.1 KiB
Java
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package org.bouncycastle.crypto;
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/* loaded from: classes6.dex */
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public abstract class StreamBlockCipher implements BlockCipher, StreamCipher {
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private final BlockCipher cipher;
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protected abstract byte calculateByte(byte b);
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@Override // org.bouncycastle.crypto.StreamCipher
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public final byte returnByte(byte b) {
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return calculateByte(b);
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}
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@Override // org.bouncycastle.crypto.StreamCipher
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public int processBytes(byte[] bArr, int i, int i2, byte[] bArr2, int i3) throws DataLengthException {
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if (i3 + i2 > bArr2.length) {
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throw new DataLengthException("output buffer too short");
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}
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int i4 = i + i2;
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if (i4 > bArr.length) {
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throw new DataLengthException("input buffer too small");
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}
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while (i < i4) {
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bArr2[i3] = calculateByte(bArr[i]);
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i3++;
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i++;
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}
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return i2;
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}
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public BlockCipher getUnderlyingCipher() {
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return this.cipher;
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}
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public StreamBlockCipher(BlockCipher blockCipher) {
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this.cipher = blockCipher;
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}
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}
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