CodeVerifier (Nimbus OAuth 2.0 SDK with OpenID Connect 1.0 extensions v7.5)

java.lang.Object
- com.nimbusds.oauth2.sdk.auth.Secret
- - com.nimbusds.oauth2.sdk.pkce.CodeVerifier

```
public class CodeVerifier
extends Secret
```
Authorisation code verifier.
Related specifications:
- Proof Key for Code Exchange by OAuth Public Clients (RFC 7636).

Field Summary

Fields
Modifier and Type Field Description

static int MAX_LENGTH
The maximum character length of a code verifier.

static int MIN_LENGTH
The minimum character length of a code verifier.
- Fields inherited from class com.nimbusds.oauth2.sdk.auth.Secret
  DEFAULT_BYTE_LENGTH

Constructor Summary

Constructors
Constructor	Description
`CodeVerifier()`	Generates a new code verifier represented by a secure random 256-bit number that is Base64URL-encoded (as a 43 character string, which is the `minimum character length` of a code verifier).
`CodeVerifier(String value)`	Creates a new code verifier with the specified value.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

boolean equals(Object object)
Comparison with another secret is constant time.
- Methods inherited from class com.nimbusds.oauth2.sdk.auth.Secret
  equalsSHA256Based, erase, expired, getExpirationDate, getSHA256, getValue, getValueBytes, hashCode
- Methods inherited from class java.lang.Object
  clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - MIN_LENGTH
```
public static final int MIN_LENGTH
```
    The minimum character length of a code verifier.
    
    See Also:
    
    Constant Field Values
  - MAX_LENGTH
```
public static final int MAX_LENGTH
```
    The maximum character length of a code verifier.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - CodeVerifier
```
public CodeVerifier(String value)
```
    Creates a new code verifier with the specified value.
    
    Parameters:
    
    value - The code verifier value. Must not contain characters other than [A-Z] / [a-z] / [0-9] / "-" / "." / "_" / "~". The verifier length must be at least 43 characters but not more than 128 characters. Must not be null or empty string.
  - CodeVerifier
```
public CodeVerifier()
```
    Generates a new code verifier represented by a secure random 256-bit number that is Base64URL-encoded (as a 43 character string, which is the minimum character length of a code verifier).
- Method Detail
  - equals
```
public boolean equals(Object object)
```
    Description copied from class: Secret
    
    Comparison with another secret is constant time.
    
    Overrides:
    
    equals in class Secret
    
    Parameters:
    
    object - The other object. May be null.
    
    Returns:
    
    true if both objects are equal, else false.