Deprecated.
A new certificate handling package is created in the Java platform. This Certificate interface is entirely deprecated and is here to allow for a smooth transition to the new package.
```
@Deprecated
public interface Certificate
```
This is an interface of abstract methods for managing a variety of identity certificates. An identity certificate is a guarantee by a principal that a public key is that of another principal. (A principal represents an entity such as an individual user, a group, or a corporation.)
In particular, this interface is intended to be a common abstraction for constructs that have different formats but important common uses. For example, different types of certificates, such as X.509 certificates and PGP certificates, share general certificate functionality (the need to encode and decode certificates) and some types of information, such as a public key, the principal whose key it is, and the guarantor guaranteeing that the public key is that of the specified principal. So an implementation of X.509 certificates and an implementation of PGP certificates can both utilize the Certificate interface, even though their formats and additional types and amounts of information stored are different.
Important: This interface is useful for cataloging and grouping objects sharing certain common uses. It does not have any semantics of its own. In particular, a Certificate object does not make any statement as to the validity of the binding. It is the duty of the application implementing this interface to verify the certificate and satisfy itself of its validity.

See Also:
Certificate

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`decode(InputStream stream)` Deprecated. Decodes a certificate from an input stream.
`void`	`encode(OutputStream stream)` Deprecated. Encodes the certificate to an output stream in a format that can be decoded by the `decode` method.
`String`	`getFormat()` Deprecated. Returns the name of the coding format.
`Principal`	`getGuarantor()` Deprecated. Returns the guarantor of the certificate, that is, the principal guaranteeing that the public key associated with this certificate is that of the principal associated with this certificate.
`Principal`	`getPrincipal()` Deprecated. Returns the principal of the principal-key pair being guaranteed by the guarantor.
`PublicKey`	`getPublicKey()` Deprecated. Returns the key of the principal-key pair being guaranteed by the guarantor.
`String`	`toString(boolean detailed)` Deprecated. Returns a string that represents the contents of the certificate.

- Method Detail
  - getGuarantor
```
Principal getGuarantor()
```
    Deprecated.
    
    Returns the guarantor of the certificate, that is, the principal guaranteeing that the public key associated with this certificate is that of the principal associated with this certificate. For X.509 certificates, the guarantor will typically be a Certificate Authority (such as the United States Postal Service or Verisign, Inc.).
    
    Returns:
    the guarantor which guaranteed the principal-key binding.
  - getPrincipal
```
Principal getPrincipal()
```
    Deprecated.
    
    Returns the principal of the principal-key pair being guaranteed by the guarantor.
    
    Returns:
    the principal to which this certificate is bound.
  - getPublicKey
```
PublicKey getPublicKey()
```
    Deprecated.
    
    Returns the key of the principal-key pair being guaranteed by the guarantor.
    
    Returns:
    the public key that this certificate certifies belongs to a particular principal.
  - encode
```
void encode(OutputStream stream)
            throws KeyException,
                   IOException
```
    Deprecated.
    
    Encodes the certificate to an output stream in a format that can be decoded by the decode method.
    
    Parameters:
    stream - the output stream to which to encode the certificate.
    
    Throws:
    
    KeyException - if the certificate is not properly initialized, or data is missing, etc.
    
    IOException - if a stream exception occurs while trying to output the encoded certificate to the output stream.
    See Also:
    decode(java.io.InputStream), getFormat()
  - decode
```
void decode(InputStream stream)
            throws KeyException,
                   IOException
```
    Deprecated.
    
    Decodes a certificate from an input stream. The format should be that returned by getFormat and produced by encode.
    
    Parameters:
    stream - the input stream from which to fetch the data being decoded.
    
    Throws:
    
    KeyException - if the certificate is not properly initialized, or data is missing, etc.
    
    IOException - if an exception occurs while trying to input the encoded certificate from the input stream.
    See Also:
    encode(java.io.OutputStream), getFormat()
  - getFormat
```
String getFormat()
```
    Deprecated.
    
    Returns the name of the coding format. This is used as a hint to find an appropriate parser. It could be "X.509", "PGP", etc. This is the format produced and understood by the encode and decode methods.
    
    Returns:
    the name of the coding format.
  - toString
```
String toString(boolean detailed)
```
    Deprecated.
    
    Returns a string that represents the contents of the certificate.
    
    Parameters:
    detailed - whether or not to give detailed information about the certificate
    
    Returns:
    a string representing the contents of the certificate

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Document créé le 30/08/2006, dernière modification le 04/03/2020
Source du document imprimé : https://www.gaudry.be/java-api-rf-java/security/Certificate.html

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Références

Manuel PHP : https://docs.oracle.com, Certificate

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Table des matières Haut

Interface Certificate

Method Summary

Method Detail

getGuarantor

getPrincipal

getPublicKey

encode

decode

getFormat

toString

Références