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Added in API level 1

javax.security.cert

Provides classes for public key certificates.

These classes include a simplified version of the java.security.cert package. These classes were developed as part of the Java Secure Socket Extension (JSSE). When JSSE was added to the J2SE version 1.4, this package was added for backward-compatibility reasons only.

New applications should not use this package, but rather java.security.cert.

Classes

Certificate

Abstract class for managing a variety of identity certificates. 

X509Certificate Abstract class for X.509 v1 certificates. 

Exceptions

CertificateEncodingException Certificate Encoding Exception. 
CertificateException This exception indicates one of a variety of certificate problems. 
CertificateExpiredException Certificate Expired Exception. 
CertificateNotYetValidException Certificate is not yet valid exception. 
CertificateParsingException Certificate Parsing Exception. 
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