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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
package org.bouncycastle.asn1.eac;
import java.io.IOException;
import org.bouncycastle.asn1.ASN1ApplicationSpecific;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.BERTags;
import org.bouncycastle.asn1.DERApplicationSpecific;
import org.bouncycastle.asn1.DEROctetString;
/**
* an Iso7816CertificateBody structure.
*
* CertificateBody ::= SEQUENCE {
* // version of the certificate format. Must be 0 (version 1)
* CertificateProfileIdentifer ASN1ApplicationSpecific,
* //uniquely identifies the issuinng CA's signature key pair
* // contains the iso3166-1 alpha2 encoded country code, the
* // name of issuer and the sequence number of the key pair.
* CertificationAuthorityReference ASN1ApplicationSpecific,
* // stores the encoded public key
* PublicKey Iso7816PublicKey,
* //associates the public key contained in the certificate with a unique name
* // contains the iso3166-1 alpha2 encoded country code, the
* // name of the holder and the sequence number of the key pair.
* certificateHolderReference ASN1ApplicationSpecific,
* // Encodes the role of the holder (i.e. CVCA, DV, IS) and assigns read/write
* // access rights to data groups storing sensitive data
* certificateHolderAuthorization Iso7816CertificateHolderAuthorization,
* // the date of the certificate generation
* CertificateEffectiveDate ASN1ApplicationSpecific,
* // the date after wich the certificate expires
* certificateExpirationDate ASN1ApplicationSpecific
* }
*
*/
public class CertificateBody
extends ASN1Object
{
ASN1InputStream seq;
private ASN1ApplicationSpecific certificateProfileIdentifier;// version of the certificate format. Must be 0 (version 1)
private ASN1ApplicationSpecific certificationAuthorityReference;//uniquely identifies the issuinng CA's signature key pair
private PublicKeyDataObject publicKey;// stores the encoded public key
private ASN1ApplicationSpecific certificateHolderReference;//associates the public key contained in the certificate with a unique name
private CertificateHolderAuthorization certificateHolderAuthorization;// Encodes the role of the holder (i.e. CVCA, DV, IS) and assigns read/write access rights to data groups storing sensitive data
private ASN1ApplicationSpecific certificateEffectiveDate;// the date of the certificate generation
private ASN1ApplicationSpecific certificateExpirationDate;// the date after wich the certificate expires
private int certificateType = 0;// bit field of initialized data. This will tell us if the data are valid.
private static final int CPI = 0x01;//certificate Profile Identifier
private static final int CAR = 0x02;//certification Authority Reference
private static final int PK = 0x04;//public Key
private static final int CHR = 0x08;//certificate Holder Reference
private static final int CHA = 0x10;//certificate Holder Authorization
private static final int CEfD = 0x20;//certificate Effective Date
private static final int CExD = 0x40;//certificate Expiration Date
public static final int profileType = 0x7f;//Profile type Certificate
public static final int requestType = 0x0D;// Request type Certificate
private void setIso7816CertificateBody(ASN1ApplicationSpecific appSpe)
throws IOException
{
byte[] content;
if (appSpe.getApplicationTag() == EACTags.CERTIFICATE_CONTENT_TEMPLATE)
{
content = appSpe.getContents();
}
else
{
throw new IOException("Bad tag : not an iso7816 CERTIFICATE_CONTENT_TEMPLATE");
}
ASN1InputStream aIS = new ASN1InputStream(content);
ASN1Primitive obj;
while ((obj = aIS.readObject()) != null)
{
ASN1ApplicationSpecific aSpe;
if (obj instanceof ASN1ApplicationSpecific)
{
aSpe = (ASN1ApplicationSpecific)obj;
}
else
{
throw new IOException("Not a valid iso7816 content : not a ASN1ApplicationSpecific Object :" + EACTags.encodeTag(appSpe) + obj.getClass());
}
switch (aSpe.getApplicationTag())
{
case EACTags.INTERCHANGE_PROFILE:
setCertificateProfileIdentifier(aSpe);
break;
case EACTags.ISSUER_IDENTIFICATION_NUMBER:
setCertificationAuthorityReference(aSpe);
break;
case EACTags.CARDHOLDER_PUBLIC_KEY_TEMPLATE:
setPublicKey(PublicKeyDataObject.getInstance(aSpe.getObject(BERTags.SEQUENCE)));
break;
case EACTags.CARDHOLDER_NAME:
setCertificateHolderReference(aSpe);
break;
case EACTags.CERTIFICATE_HOLDER_AUTHORIZATION_TEMPLATE:
setCertificateHolderAuthorization(new CertificateHolderAuthorization(aSpe));
break;
case EACTags.APPLICATION_EFFECTIVE_DATE:
setCertificateEffectiveDate(aSpe);
break;
case EACTags.APPLICATION_EXPIRATION_DATE:
setCertificateExpirationDate(aSpe);
break;
default:
certificateType = 0;
throw new IOException("Not a valid iso7816 ASN1ApplicationSpecific tag " + aSpe.getApplicationTag());
}
}
aIS.close();
}
/**
* builds an Iso7816CertificateBody by settings each parameters.
*
* @param certificateProfileIdentifier
* @param certificationAuthorityReference
*
* @param publicKey
* @param certificateHolderReference
* @param certificateHolderAuthorization
* @param certificateEffectiveDate
* @param certificateExpirationDate
*/
public CertificateBody(
ASN1ApplicationSpecific certificateProfileIdentifier,
CertificationAuthorityReference certificationAuthorityReference,
PublicKeyDataObject publicKey,
CertificateHolderReference certificateHolderReference,
CertificateHolderAuthorization certificateHolderAuthorization,
PackedDate certificateEffectiveDate,
PackedDate certificateExpirationDate
)
{
setCertificateProfileIdentifier(certificateProfileIdentifier);
setCertificationAuthorityReference(new DERApplicationSpecific(
EACTags.ISSUER_IDENTIFICATION_NUMBER, certificationAuthorityReference.getEncoded()));
setPublicKey(publicKey);
setCertificateHolderReference(new DERApplicationSpecific(
EACTags.CARDHOLDER_NAME, certificateHolderReference.getEncoded()));
setCertificateHolderAuthorization(certificateHolderAuthorization);
try
{
setCertificateEffectiveDate(new DERApplicationSpecific(
false, EACTags.APPLICATION_EFFECTIVE_DATE, new DEROctetString(certificateEffectiveDate.getEncoding())));
setCertificateExpirationDate(new DERApplicationSpecific(
false, EACTags.APPLICATION_EXPIRATION_DATE, new DEROctetString(certificateExpirationDate.getEncoding())));
}
catch (IOException e)
{
throw new IllegalArgumentException("unable to encode dates: " + e.getMessage());
}
}
/**
* builds an Iso7816CertificateBody with an ASN1InputStream.
*
* @param obj ASN1ApplicationSpecific containing the whole body.
* @throws IOException if the body is not valid.
*/
private CertificateBody(ASN1ApplicationSpecific obj)
throws IOException
{
setIso7816CertificateBody(obj);
}
/**
* create a profile type Iso7816CertificateBody.
*
* @return return the "profile" type certificate body.
* @throws IOException if the ASN1ApplicationSpecific cannot be created.
*/
private ASN1Primitive profileToASN1Object()
throws IOException
{
ASN1EncodableVector v = new ASN1EncodableVector(7);
v.add(certificateProfileIdentifier);
v.add(certificationAuthorityReference);
v.add(new DERApplicationSpecific(false, EACTags.CARDHOLDER_PUBLIC_KEY_TEMPLATE, publicKey));
v.add(certificateHolderReference);
v.add(certificateHolderAuthorization);
v.add(certificateEffectiveDate);
v.add(certificateExpirationDate);
return new DERApplicationSpecific(EACTags.CERTIFICATE_CONTENT_TEMPLATE, v);
}
private void setCertificateProfileIdentifier(ASN1ApplicationSpecific certificateProfileIdentifier)
throws IllegalArgumentException
{
if (certificateProfileIdentifier.getApplicationTag() == EACTags.INTERCHANGE_PROFILE)
{
this.certificateProfileIdentifier = certificateProfileIdentifier;
certificateType |= CPI;
}
else
{
throw new IllegalArgumentException("Not an Iso7816Tags.INTERCHANGE_PROFILE tag :" + EACTags.encodeTag(certificateProfileIdentifier));
}
}
private void setCertificateHolderReference(ASN1ApplicationSpecific certificateHolderReference)
throws IllegalArgumentException
{
if (certificateHolderReference.getApplicationTag() == EACTags.CARDHOLDER_NAME)
{
this.certificateHolderReference = certificateHolderReference;
certificateType |= CHR;
}
else
{
throw new IllegalArgumentException("Not an Iso7816Tags.CARDHOLDER_NAME tag");
}
}
/**
* set the CertificationAuthorityReference.
*
* @param certificationAuthorityReference
* the ASN1ApplicationSpecific containing the CertificationAuthorityReference.
* @throws IllegalArgumentException if the ASN1ApplicationSpecific is not valid.
*/
private void setCertificationAuthorityReference(
ASN1ApplicationSpecific certificationAuthorityReference)
throws IllegalArgumentException
{
if (certificationAuthorityReference.getApplicationTag() == EACTags.ISSUER_IDENTIFICATION_NUMBER)
{
this.certificationAuthorityReference = certificationAuthorityReference;
certificateType |= CAR;
}
else
{
throw new IllegalArgumentException("Not an Iso7816Tags.ISSUER_IDENTIFICATION_NUMBER tag");
}
}
/**
* set the public Key
*
* @param publicKey : the ASN1ApplicationSpecific containing the public key
* @throws java.io.IOException
*/
private void setPublicKey(PublicKeyDataObject publicKey)
{
this.publicKey = PublicKeyDataObject.getInstance(publicKey);
this.certificateType |= PK;
}
/**
* create a request type Iso7816CertificateBody.
*
* @return return the "request" type certificate body.
* @throws IOException if the ASN1ApplicationSpecific cannot be created.
*/
private ASN1Primitive requestToASN1Object()
throws IOException
{
ASN1EncodableVector v = new ASN1EncodableVector(3);
v.add(certificateProfileIdentifier);
v.add(new DERApplicationSpecific(false, EACTags.CARDHOLDER_PUBLIC_KEY_TEMPLATE, publicKey));
v.add(certificateHolderReference);
return new DERApplicationSpecific(EACTags.CERTIFICATE_CONTENT_TEMPLATE, v);
}
/**
* create a "request" or "profile" type Iso7816CertificateBody according to the variables sets.
*
* @return return the ASN1Primitive representing the "request" or "profile" type certificate body.
*/
public ASN1Primitive toASN1Primitive()
{
try
{
if (certificateType == profileType)
{
return profileToASN1Object();
}
if (certificateType == requestType)
{
return requestToASN1Object();
}
}
catch (IOException e)
{
return null;
}
return null;
}
/**
* gives the type of the certificate (value should be profileType or requestType if all data are set).
*
* @return the int representing the data already set.
*/
public int getCertificateType()
{
return certificateType;
}
/**
* Gives an instance of Iso7816CertificateBody taken from Object obj
*
* @param obj is the Object to extract the certificate body from.
* @return the Iso7816CertificateBody taken from Object obj.
* @throws IOException if object is not valid.
*/
public static CertificateBody getInstance(Object obj)
throws IOException
{
if (obj instanceof CertificateBody)
{
return (CertificateBody)obj;
}
else if (obj != null)
{
return new CertificateBody(ASN1ApplicationSpecific.getInstance(obj));
}
return null;
}
/**
* @return the date of the certificate generation
*/
public PackedDate getCertificateEffectiveDate()
{
if ((this.certificateType & CertificateBody.CEfD) ==
CertificateBody.CEfD)
{
return new PackedDate(certificateEffectiveDate.getContents());
}
return null;
}
/**
* set the date of the certificate generation
*
* @param ced ASN1ApplicationSpecific containing the date of the certificate generation
* @throws IllegalArgumentException if the tag is not Iso7816Tags.APPLICATION_EFFECTIVE_DATE
*/
private void setCertificateEffectiveDate(ASN1ApplicationSpecific ced)
throws IllegalArgumentException
{
if (ced.getApplicationTag() == EACTags.APPLICATION_EFFECTIVE_DATE)
{
this.certificateEffectiveDate = ced;
certificateType |= CEfD;
}
else
{
throw new IllegalArgumentException("Not an Iso7816Tags.APPLICATION_EFFECTIVE_DATE tag :" + EACTags.encodeTag(ced));
}
}
/**
* @return the date after wich the certificate expires
*/
public PackedDate getCertificateExpirationDate()
throws IOException
{
if ((this.certificateType & CertificateBody.CExD) ==
CertificateBody.CExD)
{
return new PackedDate(certificateExpirationDate.getContents());
}
throw new IOException("certificate Expiration Date not set");
}
/**
* set the date after wich the certificate expires
*
* @param ced ASN1ApplicationSpecific containing the date after wich the certificate expires
* @throws IllegalArgumentException if the tag is not Iso7816Tags.APPLICATION_EXPIRATION_DATE
*/
private void setCertificateExpirationDate(ASN1ApplicationSpecific ced)
throws IllegalArgumentException
{
if (ced.getApplicationTag() == EACTags.APPLICATION_EXPIRATION_DATE)
{
this.certificateExpirationDate = ced;
certificateType |= CExD;
}
else
{
throw new IllegalArgumentException("Not an Iso7816Tags.APPLICATION_EXPIRATION_DATE tag");
}
}
/**
* the Iso7816CertificateHolderAuthorization encodes the role of the holder
* (i.e. CVCA, DV, IS) and assigns read/write access rights to data groups
* storing sensitive data. This functions returns the Certificate Holder
* Authorization
*
* @return the Iso7816CertificateHolderAuthorization
*/
public CertificateHolderAuthorization getCertificateHolderAuthorization()
throws IOException
{
if ((this.certificateType & CertificateBody.CHA) ==
CertificateBody.CHA)
{
return certificateHolderAuthorization;
}
throw new IOException("Certificate Holder Authorisation not set");
}
/**
* set the CertificateHolderAuthorization
*
* @param cha the Certificate Holder Authorization
*/
private void setCertificateHolderAuthorization(
CertificateHolderAuthorization cha)
{
this.certificateHolderAuthorization = cha;
certificateType |= CHA;
}
/**
* certificateHolderReference : associates the public key contained in the certificate with a unique name
*
* @return the certificateHolderReference.
*/
public CertificateHolderReference getCertificateHolderReference()
{
return new CertificateHolderReference(certificateHolderReference.getContents());
}
/**
* CertificateProfileIdentifier : version of the certificate format. Must be 0 (version 1)
*
* @return the CertificateProfileIdentifier
*/
public ASN1ApplicationSpecific getCertificateProfileIdentifier()
{
return certificateProfileIdentifier;
}
/**
* get the certificationAuthorityReference
* certificationAuthorityReference : uniquely identifies the issuinng CA's signature key pair
*
* @return the certificationAuthorityReference
*/
public CertificationAuthorityReference getCertificationAuthorityReference()
throws IOException
{
if ((this.certificateType & CertificateBody.CAR) ==
CertificateBody.CAR)
{
return new CertificationAuthorityReference(certificationAuthorityReference.getContents());
}
throw new IOException("Certification authority reference not set");
}
/**
* @return the PublicKey
*/
public PublicKeyDataObject getPublicKey()
{
return publicKey;
}
}
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