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niko
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using System;
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using System.Collections;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.Ecc;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.X509;
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using Cpp2IlInjected;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Cms
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{
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// Token: 0x02001E39 RID: 7737
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[Token(Token = "0x2001E39")]
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internal class KeyAgreeRecipientInfoGenerator : RecipientInfoGenerator
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{
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// Token: 0x0600C21C RID: 49692 RVA: 0x002BE138 File Offset: 0x002BC338
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[Token(Token = "0x600C21C")]
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[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
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internal KeyAgreeRecipientInfoGenerator()
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{
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}
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// Token: 0x17001E12 RID: 7698
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// (set) Token: 0x0600C21D RID: 49693 RVA: 0x002BE14C File Offset: 0x002BC34C
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[Token(Token = "0x17001E12")]
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internal DerObjectIdentifier KeyAgreementOID
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{
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[Token(Token = "0x600C21D")]
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[Address(RVA = "0x415800", Offset = "0x414800", VA = "0x180415800")]
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set
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{
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this.keyAgreementOID = value;
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}
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}
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// Token: 0x17001E13 RID: 7699
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// (set) Token: 0x0600C21E RID: 49694 RVA: 0x002BE160 File Offset: 0x002BC360
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[Token(Token = "0x17001E13")]
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internal DerObjectIdentifier KeyEncryptionOID
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{
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[Token(Token = "0x600C21E")]
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[Address(RVA = "0x4157F0", Offset = "0x4147F0", VA = "0x1804157F0")]
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set
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{
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this.keyEncryptionOID = value;
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}
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}
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// Token: 0x17001E14 RID: 7700
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// (set) Token: 0x0600C21F RID: 49695 RVA: 0x002BE174 File Offset: 0x002BC374
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[Token(Token = "0x17001E14")]
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internal ICollection RecipientCerts
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{
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[Token(Token = "0x600C21F")]
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[Address(RVA = "0x2930BF0", Offset = "0x292FBF0", VA = "0x182930BF0")]
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set
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{
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IList list = Platform.CreateArrayList(value);
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this.recipientCerts = list;
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}
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}
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// Token: 0x17001E15 RID: 7701
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// (set) Token: 0x0600C220 RID: 49696 RVA: 0x002BE190 File Offset: 0x002BC390
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[Token(Token = "0x17001E15")]
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internal AsymmetricCipherKeyPair SenderKeyPair
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{
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[Token(Token = "0x600C220")]
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[Address(RVA = "0x415820", Offset = "0x414820", VA = "0x180415820")]
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set
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{
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this.senderKeyPair = value;
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}
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}
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// Token: 0x0600C221 RID: 49697 RVA: 0x002BE1A4 File Offset: 0x002BC3A4
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[Token(Token = "0x600C221")]
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[Address(RVA = "0x292FE60", Offset = "0x292EE60", VA = "0x18292FE60", Slot = "4")]
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public RecipientInfo Generate(KeyParameter contentEncryptionKey, SecureRandom random)
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{
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for (;;)
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{
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int num = 0;
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byte[] key = contentEncryptionKey.GetKey();
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AsymmetricCipherKeyPair asymmetricCipherKeyPair = this.senderKeyPair;
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AsymmetricKeyParameter publicParameter = asymmetricCipherKeyPair.publicParameter;
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AsymmetricKeyParameter privateParameter = asymmetricCipherKeyPair.privateParameter;
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OriginatorIdentifierOrKey originatorIdentifierOrKey = new OriginatorIdentifierOrKey(KeyAgreeRecipientInfoGenerator.CreateOriginatorPublicKey(publicParameter));
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string identifier = this.keyAgreementOID.identifier;
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string ecmqvSha1Kdf = CmsEnvelopedGenerator.ECMqvSha1Kdf;
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if (identifier.Equals(ecmqvSha1Kdf))
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{
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IAsymmetricCipherKeyPairGenerator keyPairGenerator = GeneratorUtilities.GetKeyPairGenerator(this.keyAgreementOID);
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if (publicParameter == 0 || publicParameter == 0)
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{
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goto IL_25C;
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}
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int num2 = 0;
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if (num < num2)
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{
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num += num;
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num++;
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}
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int num3 = 0;
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if (num < num3)
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{
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num += num;
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num++;
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}
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OriginatorPublicKey originatorPublicKey;
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int num4;
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MQVuserKeyingMaterial mqvuserKeyingMaterial = new MQVuserKeyingMaterial(originatorPublicKey, num4);
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num4 = 0;
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DerOctetString derOctetString = new DerOctetString(mqvuserKeyingMaterial);
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if (num == 0)
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{
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}
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if (num == 0)
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{
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goto IL_250;
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}
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if (mqvuserKeyingMaterial == 0)
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{
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}
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if (mqvuserKeyingMaterial == 0)
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{
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goto IL_250;
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}
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if (privateParameter == 0)
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{
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}
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if (privateParameter == 0)
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{
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goto IL_250;
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}
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}
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Asn1Encodable[] array = new Asn1Encodable[2];
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DerObjectIdentifier derObjectIdentifier = this.keyEncryptionOID;
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if (derObjectIdentifier != 0)
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{
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}
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array[0] = derObjectIdentifier;
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DerNull instance = DerNull.Instance;
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if (instance != 0)
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{
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}
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array[1] = instance;
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DerSequence derSequence = new DerSequence(array);
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AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(this.keyAgreementOID, derSequence);
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IList list = this.recipientCerts;
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Asn1EncodableVector asn1EncodableVector;
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if (asn1EncodableVector != 0)
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{
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if (asn1EncodableVector == 0)
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{
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}
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if (asn1EncodableVector != 0)
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{
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break;
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}
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}
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else
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{
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ArrayTypeMismatchException ex;
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if (ex != 0)
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{
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}
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if (num == 0)
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{
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goto Block_9;
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}
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}
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}
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Asn1Object asn1Object;
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TbsCertificateStructure instance2 = TbsCertificateStructure.GetInstance(asn1Object);
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X509Name issuer = instance2.issuer;
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BigInteger value = instance2.serialNumber.Value;
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KeyAgreeRecipientIdentifier keyAgreeRecipientIdentifier = new KeyAgreeRecipientIdentifier(new IssuerAndSerialNumber(issuer, value));
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string identifier2 = this.keyAgreementOID.identifier;
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string ecmqvSha1Kdf2 = CmsEnvelopedGenerator.ECMqvSha1Kdf;
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if (identifier2.Equals(ecmqvSha1Kdf2))
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{
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}
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DerObjectIdentifier derObjectIdentifier2 = this.keyAgreementOID;
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string identifier3 = this.keyEncryptionOID.identifier;
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IBasicAgreement basicAgreementWithKdf = AgreementUtilities.GetBasicAgreementWithKdf(derObjectIdentifier2, identifier3);
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DerObjectIdentifier derObjectIdentifier3 = this.keyEncryptionOID;
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int num5 = 0;
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int defaultKeySize = GeneratorUtilities.GetDefaultKeySize(derObjectIdentifier3);
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num5 += defaultKeySize;
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byte[] array2;
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KeyParameter keyParameter = ParameterUtilities.CreateKeyParameter(this.keyEncryptionOID, array2);
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CmsEnvelopedHelper helper = KeyAgreeRecipientInfoGenerator.Helper;
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DerObjectIdentifier derObjectIdentifier4 = this.keyEncryptionOID;
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int num6 = 0;
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string identifier4 = derObjectIdentifier4.identifier;
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IWrapper wrapper = helper.CreateWrapper(identifier4);
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ParametersWithRandom parametersWithRandom = new ParametersWithRandom(keyParameter, num6);
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Asn1Encodable[] array3 = new Asn1Encodable[1];
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DerOctetString derOctetString2;
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RecipientEncryptedKey recipientEncryptedKey = new RecipientEncryptedKey(keyAgreeRecipientIdentifier, derOctetString2);
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throw new ArrayTypeMismatchException();
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Block_9:
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KeyAgreeRecipientInfo keyAgreeRecipientInfo;
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return new RecipientInfo(keyAgreeRecipientInfo);
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IL_250:
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throw new NullReferenceException();
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IL_25C:
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throw new NullReferenceException();
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}
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// Token: 0x0600C222 RID: 49698 RVA: 0x002BE428 File Offset: 0x002BC628
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[Token(Token = "0x600C222")]
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[Address(RVA = "0x292FD40", Offset = "0x292ED40", VA = "0x18292FD40")]
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private static OriginatorPublicKey CreateOriginatorPublicKey(AsymmetricKeyParameter publicKey)
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{
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SubjectPublicKeyInfo subjectPublicKeyInfo = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(publicKey);
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Asn1Object asn1Object = subjectPublicKeyInfo.algID.ToAsn1Object();
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byte[] octets = subjectPublicKeyInfo.keyData.GetOctets();
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AlgorithmIdentifier algorithmIdentifier;
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return new OriginatorPublicKey(algorithmIdentifier, octets);
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}
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// Token: 0x04007AD5 RID: 31445
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[Token(Token = "0x4007AD5")]
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private static readonly CmsEnvelopedHelper Helper = CmsEnvelopedHelper.Instance;
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// Token: 0x04007AD6 RID: 31446
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4007AD6")]
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private DerObjectIdentifier keyAgreementOID;
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// Token: 0x04007AD7 RID: 31447
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x4007AD7")]
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private DerObjectIdentifier keyEncryptionOID;
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// Token: 0x04007AD8 RID: 31448
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x4007AD8")]
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private IList recipientCerts;
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// Token: 0x04007AD9 RID: 31449
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x4007AD9")]
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private AsymmetricCipherKeyPair senderKeyPair;
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}
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}
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