PredefinedPrfParameters

java.lang.Object
- com.google.crypto.tink.prf.PredefinedPrfParameters

```
public final class PredefinedPrfParameters
extends java.lang.Object
```
Predefined Parameters for PRF-Keys.
Note: if you want to keep dependencies small, consider inlining the constants here.

Field Summary

Fields
Modifier and Type	Field	Description
`static AesCmacPrfParameters`	`AES_CMAC_PRF`	A `Parameters` object for generating new instances of `AesCmacKey` with the following parameters: HMAC key size: 32 bytes
`static HkdfPrfParameters`	`HKDF_SHA256`	A `Parameters` object for generating new instances of `HkdfPrfKey` with the following parameters: Hash function: SHA256 HMAC key size: 32 bytes Salt: empty
`static HmacPrfParameters`	`HMAC_SHA256_PRF`	A `Parameters` object for generating new instances of `HmacPrfKey` with the following parameters: Hash function: SHA256 HMAC key size: 32 bytes
`static HmacPrfParameters`	`HMAC_SHA512_PRF`	A `Parameters` object for generating new instances of `HmacPrfKey` with the following parameters: Hash function: SHA512 HMAC key size: 64 bytes

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

- Field Detail
  - HKDF_SHA256
```
public static final HkdfPrfParameters HKDF_SHA256
```
    A Parameters object for generating new instances of HkdfPrfKey with the following parameters:
    
    Hash function: SHA256
    HMAC key size: 32 bytes
    Salt: empty
  - HMAC_SHA256_PRF
```
public static final HmacPrfParameters HMAC_SHA256_PRF
```
    A Parameters object for generating new instances of HmacPrfKey with the following parameters:
    
    Hash function: SHA256
    HMAC key size: 32 bytes
  - HMAC_SHA512_PRF
```
public static final HmacPrfParameters HMAC_SHA512_PRF
```
    A Parameters object for generating new instances of HmacPrfKey with the following parameters:
    
    Hash function: SHA512
    HMAC key size: 64 bytes
  - AES_CMAC_PRF
```
public static final AesCmacPrfParameters AES_CMAC_PRF
```
    A Parameters object for generating new instances of AesCmacKey with the following parameters:
    
    HMAC key size: 32 bytes