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javax.net.ssl

public Interface X509TrustManager

extends TrustManager
Known Direct Implementers
sun.security.ssl.AbstractTrustManagerWrapper, sun.security.ssl.DummyX509TrustManager, javax.net.ssl.X509ExtendedTrustManager
Imports
java.security.cert.*
Instance of this interface manage which X509 certificates may be used to authenticate the remote side of a secure socket. Decisions may be based on trusted certificate authorities, certificate revocation lists, online status checking or other means.
Since
1.4

Method Summary

Modifier and TypeMethod and Description
public void
checkClientTrusted(X509Certificate[]
the peer certificate chain
chain, String
the authentication type based on the client certificate
authType)

Given the partial or complete certificate chain provided by the peer, build a certificate path to a trusted root and return if it can be validated and is trusted for client SSL authentication based on the authentication type.

public void
checkServerTrusted(X509Certificate[]
the peer certificate chain
chain, String
the key exchange algorithm used
authType)

Given the partial or complete certificate chain provided by the peer, build a certificate path to a trusted root and return if it can be validated and is trusted for server SSL authentication based on the authentication type.

public X509Certificate[]

Returns:

a non-null (possibly empty) array of acceptable CA issuer certificates.
getAcceptedIssuers()

Return an array of certificate authority certificates which are trusted for authenticating peers.

Method Detail

checkClientTrustedback to summary
public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException

Given the partial or complete certificate chain provided by the peer, build a certificate path to a trusted root and return if it can be validated and is trusted for client SSL authentication based on the authentication type.

The authentication type is determined by the actual certificate used. For instance, if RSAPublicKey is used, the authType should be "RSA". Checking is case-sensitive.

Parameters
chain:X509Certificate[]

the peer certificate chain

authType:String

the authentication type based on the client certificate

Exceptions
CertificateException:
if the certificate chain is not trusted by this TrustManager.
IllegalArgumentException:
if null or zero-length chain is passed in for the chain parameter or if null or zero-length string is passed in for the authType parameter
checkServerTrustedback to summary
public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException

Given the partial or complete certificate chain provided by the peer, build a certificate path to a trusted root and return if it can be validated and is trusted for server SSL authentication based on the authentication type.

The authentication type is the key exchange algorithm portion of the cipher suites represented as a String, such as "RSA", "DHE_DSS".

Note

for some exportable cipher suites, the key exchange algorithm is determined at run time during the handshake. For instance, for TLS_RSA_EXPORT_WITH_RC4_40_MD5, the authType should be RSA_EXPORT when an ephemeral RSA key is used for the key exchange, and RSA when the key from the server certificate is used. Checking is case-sensitive.

Parameters
chain:X509Certificate[]

the peer certificate chain

authType:String

the key exchange algorithm used

Exceptions
CertificateException:
if the certificate chain is not trusted by this TrustManager.
IllegalArgumentException:
if null or zero-length chain is passed in for the chain parameter or if null or zero-length string is passed in for the authType parameter
getAcceptedIssuersback to summary
public X509Certificate[] getAcceptedIssuers()

Return an array of certificate authority certificates which are trusted for authenticating peers.

Returns:X509Certificate[]

a non-null (possibly empty) array of acceptable CA issuer certificates.