Read x509certificate from file

IOException; import java. KeyStore; import java. KeyStoreException; import java. NoSuchAlgorithmException; import java. UnrecoverableEntryException; import java. Certificate; import java. CertificateException; import java. XCertificate; import java. PrivateKeyEntry keyStore. PasswordProtection jksPassword. FileInputStream ;. FileNotFoundException ;. IOException ;. KeyStore ;. KeyStoreException ;. NoSuchAlgorithmException ;. UnrecoverableEntryException ;. Certificate ;. CertificateException ;.

Enumeration ;. No Comments. Siya Ntombela. Add a Comment Cancel reply Your email address will not be published. PrivateKey ; import java. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Reading an X. Asked 9 years, 5 months ago.

Active 1 month ago. Viewed 32k times. The code is throwing the following error: java. Improve this question. Pops Java Java 1 1 gold badge 3 3 silver badges 11 11 bronze badges. If you open it in a text editor, does it show text or garbage? Do I have to use Bouncy castle to read it then or there is some other option in java? MaartenBodewes: because necroed for the record these comments were and are wrong. Java CertificateFactory since at least 1.

Show 3 more comments. Active Oldest Votes. Try to type this using openssl, and then import the result: openssl x -outform der -in certificate. Returns: an XCertificate object initialized with the data from certData. It is if the current date and time are within the validity period given in the certificate. It is defined in ASN. CertificateNotYetValidException - if the certificate is not yet valid. Throws: CertificateExpiredException - if the certificate has expired with respect to the date supplied.

CertificateNotYetValidException - if the certificate is not yet valid with respect to the date supplied. See Also: checkValidity getVersion public abstract int getVersion Gets the version version number value from the certificate. The serial number is an integer assigned by the certification authority to each certificate.

It must be unique for each certificate issued by a given CA i. The issuer name identifies the entity that signed and issued the certificate. The issuer name field contains an X. The type of the AttributeValue component is determined by the AttributeType ; in general it will be a directoryString.

Returns: a Principal whose name is the issuer distinguished name. Returns: a Principal whose name is the subject name.

The relevant ASN. Returns: the end date of the validity period. Returns: the signature algorithm name. An OID is represented by a set of positive whole numbers separated by periods. For example, the string "1.

Returns: the signature algorithm OID string.