Package com.gmt2001.httpwsserver.x509
Class SelfSignedX509CertificateGenerator
java.lang.Object
com.gmt2001.httpwsserver.x509.SelfSignedX509CertificateGenerator
Generates a SelfSigned X.509 Certificate
Taken from https://stackoverflow.com/questions/1615871/creating-an-x509-certificate-in-java-without-bouncycastle Original code and modifications
by: Mike B, vbence, and Clark Hobbie
- Author:
- gmt2001
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Field Summary
FieldsModifier and TypeFieldDescriptionstatic final intstatic final intstatic final Stringstatic final int -
Method Summary
Modifier and TypeMethodDescriptionstatic X509CertificategenerateCertificate(String dn, KeyPair pair, int days, String algorithm) Create a self-signed X.509 Certificatestatic StringgenerateDistinguishedName(String commonName) Generate a DN string with just the CNstatic KeyPairgenerateKeyPair(int keySize) Generate a Key Pair
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Field Details
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RECOMMENDED_KEY_SIZE
public static final int RECOMMENDED_KEY_SIZE- See Also:
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RECOMMENDED_SIG_ALGO
- See Also:
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RECOMMENDED_VALIDITY_DAYS
public static final int RECOMMENDED_VALIDITY_DAYS- See Also:
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RECOMMENDED_RENEWAL_DAYS
public static final int RECOMMENDED_RENEWAL_DAYS- See Also:
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Method Details
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generateCertificate
public static X509Certificate generateCertificate(String dn, KeyPair pair, int days, String algorithm) throws IOException, CertificateException, NoSuchAlgorithmException, InvalidKeyException, NoSuchProviderException, SignatureException Create a self-signed X.509 Certificate- Parameters:
dn- the X.509 Distinguished Name, eg "CN=Test, L=London, C=GB"pair- the KeyPairdays- how many days from now the Certificate is valid foralgorithm- the signing algorithm, eg "SHA256withRSA"- Returns:
- the certificate
- Throws:
IOExceptionCertificateExceptionNoSuchAlgorithmExceptionInvalidKeyExceptionNoSuchProviderExceptionSignatureException
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generateDistinguishedName
Generate a DN string with just the CN- Parameters:
commonName- the Common Name- Returns:
- the formatted string
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generateKeyPair
Generate a Key Pair- Parameters:
keySize- the key size, in bits- Returns:
- the generated key pair
- Throws:
NoSuchAlgorithmException
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