diff options
Diffstat (limited to 'libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/x509/Certificate.java')
-rw-r--r-- | libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/x509/Certificate.java | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/x509/Certificate.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/x509/Certificate.java new file mode 100644 index 000000000..8d1b69f29 --- /dev/null +++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/x509/Certificate.java @@ -0,0 +1,131 @@ +package org.spongycastle.asn1.x509; + +import org.spongycastle.asn1.ASN1Integer; +import org.spongycastle.asn1.ASN1Object; +import org.spongycastle.asn1.ASN1Primitive; +import org.spongycastle.asn1.ASN1Sequence; +import org.spongycastle.asn1.ASN1TaggedObject; +import org.spongycastle.asn1.DERBitString; +import org.spongycastle.asn1.x500.X500Name; + +/** + * an X509Certificate structure. + * <pre> + * Certificate ::= SEQUENCE { + * tbsCertificate TBSCertificate, + * signatureAlgorithm AlgorithmIdentifier, + * signature BIT STRING + * } + * </pre> + */ +public class Certificate + extends ASN1Object +{ + ASN1Sequence seq; + TBSCertificate tbsCert; + AlgorithmIdentifier sigAlgId; + DERBitString sig; + + public static Certificate getInstance( + ASN1TaggedObject obj, + boolean explicit) + { + return getInstance(ASN1Sequence.getInstance(obj, explicit)); + } + + public static Certificate getInstance( + Object obj) + { + if (obj instanceof Certificate) + { + return (Certificate)obj; + } + else if (obj != null) + { + return new Certificate(ASN1Sequence.getInstance(obj)); + } + + return null; + } + + private Certificate( + ASN1Sequence seq) + { + this.seq = seq; + + // + // correct x509 certficate + // + if (seq.size() == 3) + { + tbsCert = TBSCertificate.getInstance(seq.getObjectAt(0)); + sigAlgId = AlgorithmIdentifier.getInstance(seq.getObjectAt(1)); + + sig = DERBitString.getInstance(seq.getObjectAt(2)); + } + else + { + throw new IllegalArgumentException("sequence wrong size for a certificate"); + } + } + + public TBSCertificate getTBSCertificate() + { + return tbsCert; + } + + public ASN1Integer getVersion() + { + return tbsCert.getVersion(); + } + + public int getVersionNumber() + { + return tbsCert.getVersionNumber(); + } + + public ASN1Integer getSerialNumber() + { + return tbsCert.getSerialNumber(); + } + + public X500Name getIssuer() + { + return tbsCert.getIssuer(); + } + + public Time getStartDate() + { + return tbsCert.getStartDate(); + } + + public Time getEndDate() + { + return tbsCert.getEndDate(); + } + + public X500Name getSubject() + { + return tbsCert.getSubject(); + } + + public SubjectPublicKeyInfo getSubjectPublicKeyInfo() + { + return tbsCert.getSubjectPublicKeyInfo(); + } + + public AlgorithmIdentifier getSignatureAlgorithm() + { + return sigAlgId; + } + + public DERBitString getSignature() + { + return sig; + } + + public ASN1Primitive toASN1Primitive() + { + return seq; + } +} |