java.lang.Object
- com.google.crypto.tink.streamingaead.StreamingAeadKeyTemplates

```
@Deprecated
public final class StreamingAeadKeyTemplates
extends java.lang.Object
```
Deprecated.
Try using our refaster templates to replace them (see https://github.com/tink-crypto/tink-java/tree/main/tools/refaster). If migration is unclear, please file an issue on https://github.com/tink-crypto/tink-java.
Pre-generated KeyTemplate for StreamingAead keys.
We recommend to avoid this class in order to keep dependencies small.
- Using this class adds a dependency on protobuf. We hope that eventually it is possible to use Tink without a dependency on protobuf.
- Using this class adds a dependency on classes for all involved key types.
These dependencies all come from static class member variables, which are initialized when the class is loaded. This implies that static analysis and code minimization tools (such as proguard) cannot remove the usages either.
Instead, we recommend to use KeysetHandle.generateEntryFromParametersName or KeysetHandle.generateEntryFromParameters.
One can use these templates to generate new Keyset with KeysetHandle. To generate a new keyset that contains a AesGcmHkdfStreamingKey, one can do:
```
 StreamingAeadConfig.register();
 KeysetHandle handle = KeysetHandle.generateNew(StreamingAeadKeyTemplates.AES128_GCM_HKDF_4KB);
 StreamingAead ags = handle.getPrimitive(RegistryConfiguration.get(), StreamingAead.class);
 
```
Since:

1.1.0

Field Summary

Fields
Modifier and Type	Field	Description
`static com.google.crypto.tink.proto.KeyTemplate`	`AES128_CTR_HMAC_SHA256_1MB`	Deprecated. A `KeyTemplate` that generates new instances of `AesCtrHmacStreamingKey` with the following parameters: Size of the main key: 16 bytes HKDF algo: HMAC-SHA256 Size of AES-CTR derived keys: 16 bytes Tag algo: HMAC-SHA256 Tag size: 32 bytes Ciphertext segment size: 1048576 bytes (1 MB)
`static com.google.crypto.tink.proto.KeyTemplate`	`AES128_CTR_HMAC_SHA256_4KB`	Deprecated. A `KeyTemplate` that generates new instances of `AesCtrHmacStreamingKey` with the following parameters: Size of the main key: 16 bytes HKDF algo: HMAC-SHA256 Size of AES-CTR derived keys: 16 bytes Tag algo: HMAC-SHA256 Tag size: 32 bytes Ciphertext segment size: 4096
`static com.google.crypto.tink.proto.KeyTemplate`	`AES128_GCM_HKDF_1MB`	Deprecated. A `KeyTemplate` that generates new instances of `AesGcmHkdfStreamingKey` with the following parameters: Size of the main key: 16 bytes HKDF algo: HMAC-SHA256 Size of AES-GCM derived keys: 16 bytes Ciphertext segment size: 1048576 bytes (1 MB)
`static com.google.crypto.tink.proto.KeyTemplate`	`AES128_GCM_HKDF_4KB`	Deprecated. A `KeyTemplate` that generates new instances of `AesGcmHkdfStreamingKey` with the following parameters: Size of the main key: 16 bytes HKDF algo: HMAC-SHA256 Size of AES-GCM derived keys: 16 bytes Ciphertext segment size: 4096 bytes
`static com.google.crypto.tink.proto.KeyTemplate`	`AES256_CTR_HMAC_SHA256_1MB`	Deprecated. A `KeyTemplate` that generates new instances of `AesCtrHmacStreamingKey` with the following parameters: Size of the main key: 32 bytes HKDF algo: HMAC-SHA256 Size of AES-CTR derived keys: 32 bytes Tag algo: HMAC-SHA256 Tag size: 32 bytes Ciphertext segment size: 1048576 bytes (1 MB)
`static com.google.crypto.tink.proto.KeyTemplate`	`AES256_CTR_HMAC_SHA256_4KB`	Deprecated. A `KeyTemplate` that generates new instances of `AesCtrHmacStreamingKey` with the following parameters: Size of the main key: 32 bytes HKDF algo: HMAC-SHA256 Size of AES-CTR derived keys: 32 bytes Tag algo: HMAC-SHA256 Tag size: 32 bytes Ciphertext segment size: 4096
`static com.google.crypto.tink.proto.KeyTemplate`	`AES256_GCM_HKDF_1MB`	Deprecated. A `KeyTemplate` that generates new instances of `AesGcmHkdfStreamingKey` with the following parameters: Size of the main key: 32 bytes HKDF algo: HMAC-SHA256 Size of AES-GCM derived keys: 32 bytes Ciphertext segment size: 1048576 bytes (1 MB)
`static com.google.crypto.tink.proto.KeyTemplate`	`AES256_GCM_HKDF_4KB`	Deprecated. A `KeyTemplate` that generates new instances of `AesGcmHkdfStreamingKey` with the following parameters: Size of the main key: 32 bytes HKDF algo: HMAC-SHA256 Size of AES-GCM derived keys: 32 bytes Ciphertext segment size: 4096 bytes

Method Summary

All Methods Static Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`static com.google.crypto.tink.proto.KeyTemplate`	`createAesCtrHmacStreamingKeyTemplate(int mainKeySize, com.google.crypto.tink.proto.HashType hkdfHashType, int derivedKeySize, com.google.crypto.tink.proto.HashType macHashType, int tagSize, int ciphertextSegmentSize)`	Deprecated.
`static com.google.crypto.tink.proto.KeyTemplate`	`createAesGcmHkdfStreamingKeyTemplate(int mainKeySize, com.google.crypto.tink.proto.HashType hkdfHashType, int derivedKeySize, int ciphertextSegmentSize)`	Deprecated.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - AES128_CTR_HMAC_SHA256_4KB
```
public static final com.google.crypto.tink.proto.KeyTemplate AES128_CTR_HMAC_SHA256_4KB
```
    Deprecated.
    A KeyTemplate that generates new instances of AesCtrHmacStreamingKey with the following parameters:
    
    Size of the main key: 16 bytes
    HKDF algo: HMAC-SHA256
    Size of AES-CTR derived keys: 16 bytes
    Tag algo: HMAC-SHA256
    Tag size: 32 bytes
    Ciphertext segment size: 4096
  - AES128_CTR_HMAC_SHA256_1MB
```
public static final com.google.crypto.tink.proto.KeyTemplate AES128_CTR_HMAC_SHA256_1MB
```
    Deprecated.
    A KeyTemplate that generates new instances of AesCtrHmacStreamingKey with the following parameters:
    
    Size of the main key: 16 bytes
    HKDF algo: HMAC-SHA256
    Size of AES-CTR derived keys: 16 bytes
    Tag algo: HMAC-SHA256
    Tag size: 32 bytes
    Ciphertext segment size: 1048576 bytes (1 MB)
  - AES256_CTR_HMAC_SHA256_4KB
```
public static final com.google.crypto.tink.proto.KeyTemplate AES256_CTR_HMAC_SHA256_4KB
```
    Deprecated.
    A KeyTemplate that generates new instances of AesCtrHmacStreamingKey with the following parameters:
    
    Size of the main key: 32 bytes
    HKDF algo: HMAC-SHA256
    Size of AES-CTR derived keys: 32 bytes
    Tag algo: HMAC-SHA256
    Tag size: 32 bytes
    Ciphertext segment size: 4096
  - AES256_CTR_HMAC_SHA256_1MB
```
public static final com.google.crypto.tink.proto.KeyTemplate AES256_CTR_HMAC_SHA256_1MB
```
    Deprecated.
    A KeyTemplate that generates new instances of AesCtrHmacStreamingKey with the following parameters:
    
    Size of the main key: 32 bytes
    HKDF algo: HMAC-SHA256
    Size of AES-CTR derived keys: 32 bytes
    Tag algo: HMAC-SHA256
    Tag size: 32 bytes
    Ciphertext segment size: 1048576 bytes (1 MB)
  - AES128_GCM_HKDF_4KB
```
public static final com.google.crypto.tink.proto.KeyTemplate AES128_GCM_HKDF_4KB
```
    Deprecated.
    A KeyTemplate that generates new instances of AesGcmHkdfStreamingKey with the following parameters:
    
    Size of the main key: 16 bytes
    HKDF algo: HMAC-SHA256
    Size of AES-GCM derived keys: 16 bytes
    Ciphertext segment size: 4096 bytes
  - AES128_GCM_HKDF_1MB
```
public static final com.google.crypto.tink.proto.KeyTemplate AES128_GCM_HKDF_1MB
```
    Deprecated.
    A KeyTemplate that generates new instances of AesGcmHkdfStreamingKey with the following parameters:
    
    Size of the main key: 16 bytes
    HKDF algo: HMAC-SHA256
    Size of AES-GCM derived keys: 16 bytes
    Ciphertext segment size: 1048576 bytes (1 MB)
  - AES256_GCM_HKDF_4KB
```
public static final com.google.crypto.tink.proto.KeyTemplate AES256_GCM_HKDF_4KB
```
    Deprecated.
    A KeyTemplate that generates new instances of AesGcmHkdfStreamingKey with the following parameters:
    
    Size of the main key: 32 bytes
    HKDF algo: HMAC-SHA256
    Size of AES-GCM derived keys: 32 bytes
    Ciphertext segment size: 4096 bytes
  - AES256_GCM_HKDF_1MB
```
public static final com.google.crypto.tink.proto.KeyTemplate AES256_GCM_HKDF_1MB
```
    Deprecated.
    A KeyTemplate that generates new instances of AesGcmHkdfStreamingKey with the following parameters:
    
    Size of the main key: 32 bytes
    HKDF algo: HMAC-SHA256
    Size of AES-GCM derived keys: 32 bytes
    Ciphertext segment size: 1048576 bytes (1 MB)
- Method Detail
  - createAesCtrHmacStreamingKeyTemplate
```
public static com.google.crypto.tink.proto.KeyTemplate createAesCtrHmacStreamingKeyTemplate(int mainKeySize,
                                                                                            com.google.crypto.tink.proto.HashType hkdfHashType,
                                                                                            int derivedKeySize,
                                                                                            com.google.crypto.tink.proto.HashType macHashType,
                                                                                            int tagSize,
                                                                                            int ciphertextSegmentSize)
```
    Deprecated.
    
    Returns:
    
    a KeyTemplate containing a AesCtrHmacStreamingKeyFormat with some specified parameters.
  - createAesGcmHkdfStreamingKeyTemplate
```
public static com.google.crypto.tink.proto.KeyTemplate createAesGcmHkdfStreamingKeyTemplate(int mainKeySize,
                                                                                            com.google.crypto.tink.proto.HashType hkdfHashType,
                                                                                            int derivedKeySize,
                                                                                            int ciphertextSegmentSize)
```
    Deprecated.
    
    Returns:
    
    a KeyTemplate containing a AesGcmHkdfStreamingKeyFormat with some specified parameters.

Class StreamingAeadKeyTemplates

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

AES128_CTR_HMAC_SHA256_4KB

AES128_CTR_HMAC_SHA256_1MB

AES256_CTR_HMAC_SHA256_4KB

AES256_CTR_HMAC_SHA256_1MB

AES128_GCM_HKDF_4KB

AES128_GCM_HKDF_1MB

AES256_GCM_HKDF_4KB

AES256_GCM_HKDF_1MB

Method Detail

createAesCtrHmacStreamingKeyTemplate

createAesGcmHkdfStreamingKeyTemplate