diff options
Diffstat (limited to 'crypto/src/asn1/cmp/PKIHeaderBuilder.cs')
| -rw-r--r-- | crypto/src/asn1/cmp/PKIHeaderBuilder.cs | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/crypto/src/asn1/cmp/PKIHeaderBuilder.cs b/crypto/src/asn1/cmp/PKIHeaderBuilder.cs new file mode 100644 index 000000000..00073c062 --- /dev/null +++ b/crypto/src/asn1/cmp/PKIHeaderBuilder.cs @@ -0,0 +1,223 @@ +using System; + +using Org.BouncyCastle.Asn1.X509; + +namespace Org.BouncyCastle.Asn1.Cmp +{ + public class PkiHeaderBuilder + { + private DerInteger pvno; + private GeneralName sender; + private GeneralName recipient; + private DerGeneralizedTime messageTime; + private AlgorithmIdentifier protectionAlg; + private Asn1OctetString senderKID; // KeyIdentifier + private Asn1OctetString recipKID; // KeyIdentifier + private Asn1OctetString transactionID; + private Asn1OctetString senderNonce; + private Asn1OctetString recipNonce; + private PkiFreeText freeText; + private Asn1Sequence generalInfo; + + public PkiHeaderBuilder( + int pvno, + GeneralName sender, + GeneralName recipient) + : this(new DerInteger(pvno), sender, recipient) + { + } + + private PkiHeaderBuilder( + DerInteger pvno, + GeneralName sender, + GeneralName recipient) + { + this.pvno = pvno; + this.sender = sender; + this.recipient = recipient; + } + + public virtual PkiHeaderBuilder SetMessageTime(DerGeneralizedTime time) + { + messageTime = time; + return this; + } + + public virtual PkiHeaderBuilder SetProtectionAlg(AlgorithmIdentifier aid) + { + protectionAlg = aid; + return this; + } + + public virtual PkiHeaderBuilder SetSenderKID(byte[] kid) + { + return SetSenderKID(kid == null ? null : new DerOctetString(kid)); + } + + public virtual PkiHeaderBuilder SetSenderKID(Asn1OctetString kid) + { + senderKID = kid; + return this; + } + + public virtual PkiHeaderBuilder SetRecipKID(byte[] kid) + { + return SetRecipKID(kid == null ? null : new DerOctetString(kid)); + } + + public virtual PkiHeaderBuilder SetRecipKID(DerOctetString kid) + { + recipKID = kid; + return this; + } + + public virtual PkiHeaderBuilder SetTransactionID(byte[] tid) + { + return SetTransactionID(tid == null ? null : new DerOctetString(tid)); + } + + public virtual PkiHeaderBuilder SetTransactionID(Asn1OctetString tid) + { + transactionID = tid; + return this; + } + + public virtual PkiHeaderBuilder SetSenderNonce(byte[] nonce) + { + return SetSenderNonce(nonce == null ? null : new DerOctetString(nonce)); + } + + public virtual PkiHeaderBuilder SetSenderNonce(Asn1OctetString nonce) + { + senderNonce = nonce; + return this; + } + + public virtual PkiHeaderBuilder SetRecipNonce(byte[] nonce) + { + return SetRecipNonce(nonce == null ? null : new DerOctetString(nonce)); + } + + public virtual PkiHeaderBuilder SetRecipNonce(Asn1OctetString nonce) + { + recipNonce = nonce; + return this; + } + + public virtual PkiHeaderBuilder SetFreeText(PkiFreeText text) + { + freeText = text; + return this; + } + + public virtual PkiHeaderBuilder SetGeneralInfo(InfoTypeAndValue genInfo) + { + return SetGeneralInfo(MakeGeneralInfoSeq(genInfo)); + } + + public virtual PkiHeaderBuilder SetGeneralInfo(InfoTypeAndValue[] genInfos) + { + return SetGeneralInfo(MakeGeneralInfoSeq(genInfos)); + } + + public virtual PkiHeaderBuilder SetGeneralInfo(Asn1Sequence seqOfInfoTypeAndValue) + { + generalInfo = seqOfInfoTypeAndValue; + return this; + } + + private static Asn1Sequence MakeGeneralInfoSeq( + InfoTypeAndValue generalInfo) + { + return new DerSequence(generalInfo); + } + + private static Asn1Sequence MakeGeneralInfoSeq( + InfoTypeAndValue[] generalInfos) + { + Asn1Sequence genInfoSeq = null; + if (generalInfos != null) + { + Asn1EncodableVector v = new Asn1EncodableVector(); + for (int i = 0; i < generalInfos.Length; ++i) + { + v.Add(generalInfos[i]); + } + genInfoSeq = new DerSequence(v); + } + return genInfoSeq; + } + + /** + * <pre> + * PKIHeader ::= SEQUENCE { + * pvno INTEGER { cmp1999(1), cmp2000(2) }, + * sender GeneralName, + * -- identifies the sender + * recipient GeneralName, + * -- identifies the intended recipient + * messageTime [0] GeneralizedTime OPTIONAL, + * -- time of production of this message (used when sender + * -- believes that the transport will be "suitable"; i.e., + * -- that the time will still be meaningful upon receipt) + * protectionAlg [1] AlgorithmIdentifier OPTIONAL, + * -- algorithm used for calculation of protection bits + * senderKID [2] KeyIdentifier OPTIONAL, + * recipKID [3] KeyIdentifier OPTIONAL, + * -- to identify specific keys used for protection + * transactionID [4] OCTET STRING OPTIONAL, + * -- identifies the transaction; i.e., this will be the same in + * -- corresponding request, response, certConf, and PKIConf + * -- messages + * senderNonce [5] OCTET STRING OPTIONAL, + * recipNonce [6] OCTET STRING OPTIONAL, + * -- nonces used to provide replay protection, senderNonce + * -- is inserted by the creator of this message; recipNonce + * -- is a nonce previously inserted in a related message by + * -- the intended recipient of this message + * freeText [7] PKIFreeText OPTIONAL, + * -- this may be used to indicate context-specific instructions + * -- (this field is intended for human consumption) + * generalInfo [8] SEQUENCE SIZE (1..MAX) OF + * InfoTypeAndValue OPTIONAL + * -- this may be used to convey context-specific information + * -- (this field not primarily intended for human consumption) + * } + * </pre> + * @return a basic ASN.1 object representation. + */ + public virtual PkiHeader Build() + { + Asn1EncodableVector v = new Asn1EncodableVector(pvno, sender, recipient); + AddOptional(v, 0, messageTime); + AddOptional(v, 1, protectionAlg); + AddOptional(v, 2, senderKID); + AddOptional(v, 3, recipKID); + AddOptional(v, 4, transactionID); + AddOptional(v, 5, senderNonce); + AddOptional(v, 6, recipNonce); + AddOptional(v, 7, freeText); + AddOptional(v, 8, generalInfo); + + messageTime = null; + protectionAlg = null; + senderKID = null; + recipKID = null; + transactionID = null; + senderNonce = null; + recipNonce = null; + freeText = null; + generalInfo = null; + + return PkiHeader.GetInstance(new DerSequence(v)); + } + + private void AddOptional(Asn1EncodableVector v, int tagNo, Asn1Encodable obj) + { + if (obj != null) + { + v.Add(new DerTaggedObject(true, tagNo, obj)); + } + } + } +} |