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# X509 - Reference Documentation

Class implementing support for X509 certificates

This class provides a wrapper for java.security.cert.X509 objects. All methods from this Java class are available through the LiveConnect mechanism.

## Index of Methods

- X509() constructor
- getNative()
- getBytes()
- getSerialNumber()
- getSerialNumberString()
- getSubjectKeyIdentifier()
- getAuthorityKeyIdentifier()
- getNotBefore()
- getNotAfter()
- getIssuerDNString()
- getSubjectDNString()
- getOCSPResponderURL()
- getPublicKey()
- verify()
- verifyWith()

## Constructor

### Prototype

X509(ByteString dercert)

X509(String certfile)

### Description

Create certificate object from DER encoded certificate or read from file

### Arguments

Type | Name | Description
--- | --- | ---
`ByteString` | dercert | DER encoded certificate
`String` | certfile | Filename of file containing DER encoded certificate Unless an absolute file name is given, the path is relative to the location of the script in which the constructor is called.

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.ARGUMENTS_MISSING | Too few arguments in call
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call
GPError | GPError.INVALID_TYPE | Type of argument is invalid for call
GPError | GPError.INVALID_DATA | The certificate has an invalid or unrecognized structure

### Example

    root = new X509("root.cer");

    print("Issuer  : " + root.getIssuerDNString());
    print("Subject : " + root.getSubjectDNString());

    bs = new ByteString("\
    MIIGGzCCBAOgAwIBAgIRAS31fRUU00bNe4A4sqZ44wQwDQYJKoZIhvcNAQEFBQAw \
    VDESMBAGA1UEAwwJUm9vdC1DQSAxMTEwLwYDVQQKDChURVNUIC0gSGF1cHR2ZXJi \
    YW5kIMO2c3RlcnIuIFNvemlhbHZlcnMuMQswCQYDVQQGEwJBVDAeFw0wNTA2MjMx \
    NzI3MDJaFw0zMDA2MjMxNzI3MDJaMFYxFDASBgNVBAMMC1N5c3RlbSBDQSAxMTEw \
    LwYDVQQKDChURVNUIC0gSGF1cHR2ZXJiYW5kIMO2c3RlcnIuIFNvemlhbHZlcnMu \
    MQswCQYDVQQGEwJBVDCCAaIwDQYJKoZIhvcNAQEBBQADggGPADCCAYoCggGBAKWL \
    /7+RLD7eqAiqbFtN/3sWgw5nfA3G6vYcVvV4CzXFlzJVk6xtiu/sYlSQK18tbyF4 \
    7DfNuHANV24lutFOoGLuhJkSWbqONcNvplD7a+XIniAdSgSBxcJnXvZ4xJ+Bd5TH \
    U4CXvcqDGpEaEAgnhpiVPoBMHK/r1eMrLsb9+HryCKBrC0dzVPPKX+HAz2wj757x \
    KdlrBva7dFz5pbDDZmifmTko4fj4DQS5quu4MVq2vs1D9km2BZXCgU5Fo6OWoL0a \
    U3B4amLzNA981E2niLovz+18DB340/PlgctE6FaM8XQv9Omoe/nUqImM/J+T8uIp \
    kFCy+1cuhXGRpqRnHvEq88COsvDFI6vKfwd9Duko+IjUzpq3MIa2bXURBU3kDD79 \
    sl1i1uy9Sx6YtwTZBoPIQZP+7WjlZnT4nBpJl2r0qKFKJH3nBJVntlzlSna1gc4u \
    HZBkvrfDnLG/RGGBsiqkzdx0myM8mON/veLbY5Nd+SUBm1bWAw0BSbz+3jBtHQID \
    AQABo4IBZDCCAWAwEwYDVR0jBAwwCoAIRtDR1WyRFs4wEQYDVR0OBAoECEvRRLys \
    X0iFMA4GA1UdDwEB/wQEAwICBDAxBggrBgEFBQcBAQQlMCMwIQYIKwYBBQUHMAGG \
    FWh0dHA6Ly8xNDkuMjM5LjE2LjIwOTCB3gYDVR0fBIHWMIHTMIHQoHOgcYZvbGRh \
    cDovLzE0OS4yMzkuMTYuMjA5L289VEVTVCUyMC0lMjBIYXVwdHZlcmJhbmQlMjAl \
    ZjZzdGVyci4lMjBTb3ppYWx2ZXJzLixjPUFUP2NlcnRpZmljYXRlUmV2b2NhdGlv \
    bkxpc3Q7YmluYXJ5olmkVzBVMRMwEQYDVQQDDApDUkwtU2lnbmVyMTEwLwYDVQQK \
    DChURVNUIC0gSGF1cHR2ZXJiYW5kIMO2c3RlcnIuIFNvemlhbHZlcnMuMQswCQYD \
    VQQGEwJBVDASBgNVHRMBAf8ECDAGAQH/AgEAMA0GCSqGSIb3DQEBBQUAA4ICAQAY \
    P81wkoVpuE6Dtg72snt2KnwURfI1KAD+WgDBKLcSUD+uO2ks7CpRWaqD5WW47lQD \
    KsGwLyRmwEfmNBPh15TMYkTvynUwD3WBaPPr59Hy7QrUcdRU511my0CnS3W+2L4a \
    oLCuyRvlozuIhBHCfSKsYFZwHrT90J+B9NFnlWCGsxg0xsKpatcXsrMOQTlX3dOl \
    5pu9KEoKlryZArD7UDBqMAqKQ9srx1a23AJKREFyJ6a4aW/voZvpoHMsQQPbm8xb \
    vQPZaUUqY7R9g/9ZgVdeDrjEJU8qtptSL1ixVbvmpKM0g+G4tda83VfVY5qeto6E \
    QLmst4yNA/uv5MxCtEu/DthxUScGkY1erV6LMb97u4m4mx87SxKPBhCdZx76BEgU \
    t0bLFAlG63h1bZ3UFcoDR3PSjF1QwUPO6DroCMVpUYRGnli123KQ63lKCOxQqwl+ \
    te7x3uEWKgN8FwUKCLYGnBIiBA2c7igRiyKaOon+43kYt+GAyBvOdH1n/EjHQVHE \
    h3xwWNCsiAn6XFjlL61i0r5dshBl+rWWyUbNpHXqHuPnm8Zn37DXwmvxU9qdc0TA \
    Y8M0uMYAw1rkDoo2zGb2nxAbmmp7L8J2cFE/6TJ6R7gdxY/0uwaIdRHBr844kscO \
    i0dKmGsaCPxCVq5venNSatNMEvOgyEloLGqoq3S+xQ==", BASE64);

    ca = new X509(bs);

    print("Issuer  : " + ca.getIssuerDNString());
    print("Subject : " + ca.getSubjectDNString());

## getNative()

### Prototype

java.security.X509Certificate getNative()

### Description

Return underlying native java.security.X509Certificate object. All methods of the Java object are available through the LiveConnect mechanism.

For methods with return type byte[], as ByteString object is created.

### Return

`java.security.X509Certificate` | Native Java object

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.ARGUMENTS_MISSING | Too few arguments in call
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call
GPError | GPError.INVALID_TYPE | Type of argument is invalid for call

### Example

    var root = new X509("root.cer");
    var ncert = root.getNative();
    print("Version: " + ncert.getVersion());

## getBytes()

### Prototype

ByteString getBytes()

### Description

Return certificate in encoded format

### Return

`ByteString` | Encoded certificate

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call

### Example

    root = new X509("root.cer");
    bs = root.getBytes();
    root = new X509(bs);

    print("Subject : " + root.getSubjectDNString());

## getSerialNumber()

### Prototype

ByteString getSerialNumber()

### Description

Return the serial number.

### Return

`ByteString` | serial number

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call

### Example

    root = new X509("root.cer");

    serial = root.getSerialNumber();

    print("Serial number  : " + serial);

## getSerialNumberString()

### Prototype

String getSerialNumberString()

### Description

Return the serial number as decimal strin.

### Return

`String` | Serial number as decimal string

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call

### Example

    root = new X509("root.cer");

    serial = root.getSerialNumberString();

    print("Serial number  : " + serial);

## getSubjectKeyIdentifier()

### Prototype

ByteString getSubjectKeyIdentifier()

### Description

Return the RFC 5280 type 1 unique identifier for the subject's public key (SHA-1 of encoded public key).

### Return

`ByteString` | SubjectPublicKey value from extension or null if not defined

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call

### Example

    root = new X509("ca.cer");

    spkid = root.getSubjectKeyIdentifier();

    print("SubjectPublicKeyIdentifier : " + spkid);

    assert((new ByteString("44 2A FB B6 64 C5 38 0F", HEX)).equals(spkid));

## getAuthorityKeyIdentifier()

### Prototype

ByteString getAuthorityKeyIdentifier()

### Description

Return the unique identifier for the issuer's public key.

### Return

`ByteString` | AuthorityPublicKey value from extension or null if not defined

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call

### Example

    root = new X509("ca.cer");

    apkid = root.getAuthorityKeyIdentifier();

    print("AuthorityPublicKeyIdentifier : " + apkid);

## getNotBefore()

### Prototype

Date getNotBefore()

### Description

Return the time from which on the certificate is valid.

### Return

`Date` | The effective date of the certificate

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call

### Example

    cert = new X509("ca.cer");
    print(cert);
    print("Not before : " + cert.getNotBefore());

## getNotAfter()

### Prototype

Date getNotAfter()

### Description

Return the time from which on the certificate is expired.

### Return

`Date` | The expiration date of the certificate

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call

### Example

    cert = new X509("ca.cer");

    print("Not after : " + cert.getNotAfter());

## getIssuerDNString()

### Prototype

String getIssuerDNString()

### Description

Return a string containing the Issuer Distinguished Name in a human readable form.

### Return

`String` | String containing the Issuer DN

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call

### Example

    root = new X509("root.cer");

    dn = root.getIssuerDNString();
    assert(dn);

    print("Issuer  : " + dn);

## getSubjectDNString()

### Prototype

String getSubjectDNString()

### Description

Return a string containing the Subject Distinguished Name in a human readable form.

### Return

`String` | String containing the Subject DN

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call

### Example

    root = new X509("root.cer");

    var dn = root.getSubjectDNString();
    assert(dn);

    print("Subject : " + dn);

## getOCSPResponderURL()

### Prototype

String getOCSPResponderURL()

### Description

Return a string containing the URL of the OCSP responder for this certificate.

### Return

`String` | String containing the OCSP Responder URL

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call

### Example

    root = new X509("root.cer");

    url = root.getOCSPResponderURL();
    assert(url);

    print("OCSP Responder URL : " + url);

## getPublicKey()

### Prototype

Key getPublicKey()

Key getPublicKey(Key template)

### Description

Extract public key from certificate.

If no template is given, then a new Key object is created. If the key template is provided, then it will be filled with the appropriate values.

### Return

`Key` | New key object or object provided as template.

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call
GPError | GPError.INVALID_TYPE | Type of argument is invalid for call
GPError | GPError.INVALID_KEY | The key could not be extracted from the certificate

### Example

    var root = new X509("root.cer");

    var key = root.getPublicKey();
    assert(key instanceof Key);

    assert(key.getType() == Key.PUBLIC);
    assert(key.getSize() == 4096);
    assert(key.getComponent(Key.MODULUS).toString(HEX) ==
    	"D0FC391648CD018C07FD9A9EFCBB0BC88C6D6A72575C4862" +
    	"6A632BAE0E6E8091B22CDEFD952BA19E4AF06B2380C3DCE1" +
    	"0678FBDD408B7E2E9D8341760079761161C42A0917143E26" +
    	"A787B74426CEC430A55E71DEDB391A501696DF116E21D270" +
    	"6F0B88CC4AEEA2EC5E8032F5E9FA45B6A4DB51346FAC26AF" +
    	"FCB694A6067C0D2F2C9488489BEA5ED0D18B0ABC98A526B2" +
    	"62CDE334873AEC73CF57570A8508BCABE224ED97D84F81B6" +
    	"FF8F1639E8245FDF143664FACF301DB53640262B9F79FFAD" +
    	"12619EAA5A54473D82E8EF876270DAAA5CD57D8557CAA23C" +
    	"64C1FCB508E11261EA65DF4667FD168E797D6B7FC01E668A" +
    	"3172F906D5A8E45CEB9A7FB8C34FF44230F6DB6CD7415D52" +
    	"9879447908E13E09A5EC323C4C6E0F9FCF3B0E426C76C140" +
    	"0B3AE3945D03DF7037697FC47B944B7DF1D5DFD18F600579" +
    	"0CCB8B82F1D4061F0C837959CF0F091BF072F6F8CA552DFD" +
    	"CF5D998B020025C986BA8934F7B5BC277F12313CE2BA533C" +
    	"84285F95C7ED028D5A4D0CEECE2708AE1C024D27C26627B2" +
    	"F413D9B83C6C82381FD1CBD181A8D453000897F985252BF2" +
    	"9FEC0078BBCB8704E5856B8D46E10C4AB9B63B1A26F68C1B" +
    	"8F9EE48B1B73005ACCC330C4D20EE3479249FAF2CAD17B6C" +
    	"383330549C723C7695D6DF6170E56866FE4F598C8BF3F691" +
    	"04DD5C0CC1BD82FC398B1FA7AF4D5EB4EEC06652CE1DBECE" +
    	"2F1E47E966E60F45");
    assert(key.getComponent(Key.EXPONENT).toString(HEX) == "010001");

    var key = root.getPublicKey(key);
    assert(key instanceof Key);
    assert(key.getType() == Key.PUBLIC);

    var root = new X509("ecdsacert.cer");
    var key = root.getPublicKey();
    assert(key instanceof Key);
    assert(key.getType() == Key.PUBLIC);
    assert(key.getSize() == 192);
    assert(key.getComponent(Key.ECC_QX).toString(HEX) ==
                "ED5A2BEB600D48E3B3301AE29DCCFA2A2AD85733AD5F09B0");
    assert(key.getComponent(Key.ECC_QY).toString(HEX) ==
                "6DC91E96758FA281D45787759FA5BEA1A4E2AD7564A062F4");

## verify()

### Prototype

Void verify(Key publicKey)

### Description

### Arguments

Type | Name | Description
--- | --- | ---
`Key` | publicKey | Public key

### Return

`` |

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.ARGUMENTS_MISSING | Too few arguments in call
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call
GPError | GPError.INVALID_TYPE | Type of argument is invalid for call
GPError | GPError.INVALID_DATA | Invalid certificate structure
GPError | GPError.INVALID_MECH | Signature algorithm not supported or provider not found
GPError | GPError.CRYPTO_FAILED | Signature is not valid
GPError | GPError.INVALID_KEY | The key is invalid

### Example

    var root = new X509("root.cer");
    var ca = new X509("ca.cer");

    var rootKey = root.getPublicKey();
    root.verify(rootKey);
    ca.verify(rootKey);

    try	{
    	var caKey = ca.getPublicKey();
    	ca.verify(caKey);
    	assert(false);
    }
    catch(e) {
    	assert(e instanceof GPError);
    	assert(e.error == GPError.CRYPTO_FAILED);
    }

## verifyWith()

### Prototype

Void verifyWith(X509 superior)

### Description

Verify if certificate was signed with private key related to superior certificate

### Arguments

Type | Name | Description
--- | --- | ---
`X509` | superior | Certificate from which the public key will be extracted

### Return

`` |

### Exceptions

Name | Value | Description
--- | --- | ---
GPError | GPError.ARGUMENTS_MISSING | Too few arguments in call
GPError | GPError.INVALID_ARGUMENTS | Too many arguments in call
GPError | GPError.INVALID_TYPE | Type of argument is invalid for call
GPError | GPError.INVALID_DATA | Invalid certificate structure
GPError | GPError.INVALID_MECH | Signature algorithm not supported or provider not found
GPError | GPError.CRYPTO_FAILED | Signature is not valid

### Example

    root = new X509("root.cer");
    ca = new X509("ca.cer");
    root.verifyWith(root);
    ca.verifyWith(root);

    try	{
    	ca.verifyWith(ca);
    	assert(false);
    }
    catch(e) {
    	assert(e instanceof GPError);
    	assert(e.error == GPError.CRYPTO_FAILED);
    }

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