OpenSSLMac.Hmac

java.lang.Object
- javax.crypto.MacSpi
- - org.conscrypt.OpenSSLMac
  - - org.conscrypt.OpenSSLMac.Hmac

Direct Known Subclasses:

OpenSSLMac.HmacMD5, OpenSSLMac.HmacSHA1, OpenSSLMac.HmacSHA224, OpenSSLMac.HmacSHA256, OpenSSLMac.HmacSHA384, OpenSSLMac.HmacSHA512

Enclosing class:

OpenSSLMac
```
public static class OpenSSLMac.Hmac
extends OpenSSLMac
```

Nested Class Summary
- Nested classes/interfaces inherited from class org.conscrypt.OpenSSLMac
  OpenSSLMac.AesCmac, OpenSSLMac.Hmac, OpenSSLMac.HmacMD5, OpenSSLMac.HmacSHA1, OpenSSLMac.HmacSHA224, OpenSSLMac.HmacSHA256, OpenSSLMac.HmacSHA384, OpenSSLMac.HmacSHA512

Field Summary

Fields
Modifier and Type Field Description

private NativeRef.HMAC_CTX ctx

private long evpMd
Holds the EVP_MD for the hashing algorithm, e.g.
- Fields inherited from class org.conscrypt.OpenSSLMac
  initialized

Constructor Summary

Constructors
Constructor Description

Hmac(long evpMd, int size)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected byte[]`	`doFinal()`
`protected void`	`engineUpdate(byte[] input, int offset, int len)`
`protected void`	`initContext(byte[] keyBytes)`	Creates and initializes the relevant BoringSSL *MAC context.
`protected void`	`resetContext()`	Resets the context for a new operation with the same key.
`protected void`	`updateDirect(long ptr, int len)`	Passes the contents of a direct ByteBuffer to the relevant BoringSSL *MAC function.

Methods inherited from class org.conscrypt.OpenSSLMac
engineDoFinal, engineGetMacLength, engineInit, engineReset, engineUpdate, engineUpdate

Methods inherited from class javax.crypto.MacSpi
clone

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

- Field Detail
  - ctx
```
private NativeRef.HMAC_CTX ctx
```
  - evpMd
```
private final long evpMd
```
    Holds the EVP_MD for the hashing algorithm, e.g. EVP_get_digestbyname("sha1");
- Constructor Detail
  - Hmac
```
public Hmac(long evpMd,
            int size)
```
- Method Detail
  - initContext
```
protected void initContext(byte[] keyBytes)
```
    Description copied from class: OpenSSLMac
    
    Creates and initializes the relevant BoringSSL *MAC context.
    
    Specified by:
    
    initContext in class OpenSSLMac
  - resetContext
```
protected void resetContext()
```
    Description copied from class: OpenSSLMac
    
    Resets the context for a new operation with the same key.
    
    Specified by:
    
    resetContext in class OpenSSLMac
  - engineUpdate
```
protected void engineUpdate(byte[] input,
                            int offset,
                            int len)
```
    Specified by:
    
    engineUpdate in class javax.crypto.MacSpi
  - updateDirect
```
protected void updateDirect(long ptr,
                            int len)
```
    Description copied from class: OpenSSLMac
    
    Passes the contents of a direct ByteBuffer to the relevant BoringSSL *MAC function.
    
    Specified by:
    
    updateDirect in class OpenSSLMac
  - doFinal
```
protected byte[] doFinal()
```
    Specified by:
    
    doFinal in class OpenSSLMac