// 
// Decompiled by Procyon v0.6.0
// 

package com.google.crypto.tink.streamingaead;

import com.google.crypto.tink.proto.AesGcmHkdfStreamingKeyFormat;
import com.google.crypto.tink.proto.AesGcmHkdfStreamingParams;
import com.google.crypto.tink.proto.OutputPrefixType;
import com.google.crypto.tink.proto.AesCtrHmacStreamingKeyFormat;
import com.google.crypto.tink.proto.AesCtrHmacStreamingParams;
import com.google.crypto.tink.proto.HmacParams;
import com.google.crypto.tink.proto.HashType;
import com.google.crypto.tink.proto.KeyTemplate;

@Deprecated
public final class StreamingAeadKeyTemplates
{
    public static final KeyTemplate AES128_CTR_HMAC_SHA256_4KB;
    public static final KeyTemplate AES128_CTR_HMAC_SHA256_1MB;
    public static final KeyTemplate AES256_CTR_HMAC_SHA256_4KB;
    public static final KeyTemplate AES256_CTR_HMAC_SHA256_1MB;
    public static final KeyTemplate AES128_GCM_HKDF_4KB;
    public static final KeyTemplate AES128_GCM_HKDF_1MB;
    public static final KeyTemplate AES256_GCM_HKDF_4KB;
    public static final KeyTemplate AES256_GCM_HKDF_1MB;
    
    public static KeyTemplate createAesCtrHmacStreamingKeyTemplate(final int mainKeySize, final HashType hkdfHashType, final int derivedKeySize, final HashType macHashType, final int tagSize, final int ciphertextSegmentSize) {
        final HmacParams hmacParams = HmacParams.newBuilder().setHash(macHashType).setTagSize(tagSize).build();
        final AesCtrHmacStreamingParams params = AesCtrHmacStreamingParams.newBuilder().setCiphertextSegmentSize(ciphertextSegmentSize).setDerivedKeySize(derivedKeySize).setHkdfHashType(hkdfHashType).setHmacParams(hmacParams).build();
        final AesCtrHmacStreamingKeyFormat format = AesCtrHmacStreamingKeyFormat.newBuilder().setParams(params).setKeySize(mainKeySize).build();
        return KeyTemplate.newBuilder().setValue(format.toByteString()).setTypeUrl(AesCtrHmacStreamingKeyManager.getKeyType()).setOutputPrefixType(OutputPrefixType.RAW).build();
    }
    
    public static KeyTemplate createAesGcmHkdfStreamingKeyTemplate(final int mainKeySize, final HashType hkdfHashType, final int derivedKeySize, final int ciphertextSegmentSize) {
        final AesGcmHkdfStreamingParams keyParams = AesGcmHkdfStreamingParams.newBuilder().setCiphertextSegmentSize(ciphertextSegmentSize).setDerivedKeySize(derivedKeySize).setHkdfHashType(hkdfHashType).build();
        final AesGcmHkdfStreamingKeyFormat format = AesGcmHkdfStreamingKeyFormat.newBuilder().setKeySize(mainKeySize).setParams(keyParams).build();
        return KeyTemplate.newBuilder().setValue(format.toByteString()).setTypeUrl(AesGcmHkdfStreamingKeyManager.getKeyType()).setOutputPrefixType(OutputPrefixType.RAW).build();
    }
    
    private StreamingAeadKeyTemplates() {
    }
    
    static {
        AES128_CTR_HMAC_SHA256_4KB = createAesCtrHmacStreamingKeyTemplate(16, HashType.SHA256, 16, HashType.SHA256, 32, 4096);
        AES128_CTR_HMAC_SHA256_1MB = createAesCtrHmacStreamingKeyTemplate(16, HashType.SHA256, 16, HashType.SHA256, 32, 1048576);
        AES256_CTR_HMAC_SHA256_4KB = createAesCtrHmacStreamingKeyTemplate(32, HashType.SHA256, 32, HashType.SHA256, 32, 4096);
        AES256_CTR_HMAC_SHA256_1MB = createAesCtrHmacStreamingKeyTemplate(32, HashType.SHA256, 32, HashType.SHA256, 32, 1048576);
        AES128_GCM_HKDF_4KB = createAesGcmHkdfStreamingKeyTemplate(16, HashType.SHA256, 16, 4096);
        AES128_GCM_HKDF_1MB = createAesGcmHkdfStreamingKeyTemplate(16, HashType.SHA256, 16, 1048576);
        AES256_GCM_HKDF_4KB = createAesGcmHkdfStreamingKeyTemplate(32, HashType.SHA256, 32, 4096);
        AES256_GCM_HKDF_1MB = createAesGcmHkdfStreamingKeyTemplate(32, HashType.SHA256, 32, 1048576);
    }
}