ServiceAccountSigner (com.google.auth.google-auth-library-credentials)

```
public interface ServiceAccountSigner
```
Interface for a service account signer. A signer for a service account is capable of signing bytes using the private key associated with its service account.

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static class ServiceAccountSigner.SigningException

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`getAccount()`	Returns the service account associated with the signer.
`byte[]`	`sign(byte[] toSign)`	Signs the provided bytes using the private key associated with the service account.

- Method Detail
  - getAccount
```
java.lang.String getAccount()
```
    Returns the service account associated with the signer.
    
    Returns:
    
    The service account associated with the signer.
  - sign
```
byte[] sign(byte[] toSign)
```
    Signs the provided bytes using the private key associated with the service account.
    
    Parameters:
    
    toSign - bytes to sign
    
    Returns:
    
    signed bytes
    
    Throws:
    
    ServiceAccountSigner.SigningException - if the attempt to sign the provided bytes failed