diff options
author | David Hook <dgh@cryptoworkshop.com> | 2013-05-31 11:07:45 +0400 |
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committer | David Hook <dgh@cryptoworkshop.com> | 2013-05-31 11:07:45 +0400 |
commit | 2b976f5364cfdbc37d3086019d93483c983eb80b (patch) | |
tree | cb846af3fd1d43f9c2562a1fb2d06b997ad8f229 /core/src/main/java/org/bouncycastle/asn1/crmf/POPOSigningKey.java | |
parent | 5f714bd92fbd780d22406f4bc3681be005f6f04a (diff) |
initial reshuffle
Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/crmf/POPOSigningKey.java')
-rw-r--r-- | core/src/main/java/org/bouncycastle/asn1/crmf/POPOSigningKey.java | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/crmf/POPOSigningKey.java b/core/src/main/java/org/bouncycastle/asn1/crmf/POPOSigningKey.java new file mode 100644 index 00000000..43dd05b0 --- /dev/null +++ b/core/src/main/java/org/bouncycastle/asn1/crmf/POPOSigningKey.java @@ -0,0 +1,127 @@ +package org.bouncycastle.asn1.crmf; + +import org.bouncycastle.asn1.ASN1EncodableVector; +import org.bouncycastle.asn1.ASN1Object; +import org.bouncycastle.asn1.ASN1Primitive; +import org.bouncycastle.asn1.ASN1Sequence; +import org.bouncycastle.asn1.ASN1TaggedObject; +import org.bouncycastle.asn1.DERBitString; +import org.bouncycastle.asn1.DERSequence; +import org.bouncycastle.asn1.DERTaggedObject; +import org.bouncycastle.asn1.x509.AlgorithmIdentifier; + +public class POPOSigningKey + extends ASN1Object +{ + private POPOSigningKeyInput poposkInput; + private AlgorithmIdentifier algorithmIdentifier; + private DERBitString signature; + + private POPOSigningKey(ASN1Sequence seq) + { + int index = 0; + + if (seq.getObjectAt(index) instanceof ASN1TaggedObject) + { + ASN1TaggedObject tagObj + = (ASN1TaggedObject)seq.getObjectAt(index++); + if (tagObj.getTagNo() != 0) + { + throw new IllegalArgumentException( + "Unknown POPOSigningKeyInput tag: " + tagObj.getTagNo()); + } + poposkInput = POPOSigningKeyInput.getInstance(tagObj.getObject()); + } + algorithmIdentifier = AlgorithmIdentifier.getInstance(seq.getObjectAt(index++)); + signature = DERBitString.getInstance(seq.getObjectAt(index)); + } + + public static POPOSigningKey getInstance(Object o) + { + if (o instanceof POPOSigningKey) + { + return (POPOSigningKey)o; + } + + if (o != null) + { + return new POPOSigningKey(ASN1Sequence.getInstance(o)); + } + + return null; + } + + public static POPOSigningKey getInstance(ASN1TaggedObject obj, boolean explicit) + { + return getInstance(ASN1Sequence.getInstance(obj, explicit)); + } + + /** + * Creates a new Proof of Possession object for a signing key. + * + * @param poposkIn the POPOSigningKeyInput structure, or null if the + * CertTemplate includes both subject and publicKey values. + * @param aid the AlgorithmIdentifier used to sign the proof of possession. + * @param signature a signature over the DER-encoded value of poposkIn, + * or the DER-encoded value of certReq if poposkIn is null. + */ + public POPOSigningKey( + POPOSigningKeyInput poposkIn, + AlgorithmIdentifier aid, + DERBitString signature) + { + this.poposkInput = poposkIn; + this.algorithmIdentifier = aid; + this.signature = signature; + } + + public POPOSigningKeyInput getPoposkInput() + { + return poposkInput; + } + + public AlgorithmIdentifier getAlgorithmIdentifier() + { + return algorithmIdentifier; + } + + public DERBitString getSignature() + { + return signature; + } + + /** + * <pre> + * POPOSigningKey ::= SEQUENCE { + * poposkInput [0] POPOSigningKeyInput OPTIONAL, + * algorithmIdentifier AlgorithmIdentifier, + * signature BIT STRING } + * -- The signature (using "algorithmIdentifier") is on the + * -- DER-encoded value of poposkInput. NOTE: If the CertReqMsg + * -- certReq CertTemplate contains the subject and publicKey values, + * -- then poposkInput MUST be omitted and the signature MUST be + * -- computed on the DER-encoded value of CertReqMsg certReq. If + * -- the CertReqMsg certReq CertTemplate does not contain the public + * -- key and subject values, then poposkInput MUST be present and + * -- MUST be signed. This strategy ensures that the public key is + * -- not present in both the poposkInput and CertReqMsg certReq + * -- CertTemplate fields. + * </pre> + * + * @return a basic ASN.1 object representation. + */ + public ASN1Primitive toASN1Primitive() + { + ASN1EncodableVector v = new ASN1EncodableVector(); + + if (poposkInput != null) + { + v.add(new DERTaggedObject(false, 0, poposkInput)); + } + + v.add(algorithmIdentifier); + v.add(signature); + + return new DERSequence(v); + } +} |