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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: 0x02001D59 RID: 7513
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[Token(Token = "0x2001D59")]
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internal class KeyAgreeRecipientInfoGenerator : RecipientInfoGenerator
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{
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// Token: 0x0600BE4E RID: 48718 RVA: 0x002B5840 File Offset: 0x002B3A40
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[Token(Token = "0x600BE4E")]
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[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
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internal KeyAgreeRecipientInfoGenerator()
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{
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}
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// Token: 0x17001D75 RID: 7541
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// (set) Token: 0x0600BE4F RID: 48719 RVA: 0x002B5854 File Offset: 0x002B3A54
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[Token(Token = "0x17001D75")]
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internal DerObjectIdentifier KeyAgreementOID
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{
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[Token(Token = "0x600BE4F")]
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[Address(RVA = "0x3F7200", Offset = "0x3F6000", VA = "0x1803F7200")]
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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: 0x17001D76 RID: 7542
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// (set) Token: 0x0600BE50 RID: 48720 RVA: 0x002B5868 File Offset: 0x002B3A68
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[Token(Token = "0x17001D76")]
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internal DerObjectIdentifier KeyEncryptionOID
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{
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[Token(Token = "0x600BE50")]
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[Address(RVA = "0x3F7210", Offset = "0x3F6010", VA = "0x1803F7210")]
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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: 0x17001D77 RID: 7543
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// (set) Token: 0x0600BE51 RID: 48721 RVA: 0x002B587C File Offset: 0x002B3A7C
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[Token(Token = "0x17001D77")]
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internal ICollection RecipientCerts
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{
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[Token(Token = "0x600BE51")]
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[Address(RVA = "0x20100F0", Offset = "0x200EEF0", VA = "0x1820100F0")]
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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: 0x17001D78 RID: 7544
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// (set) Token: 0x0600BE52 RID: 48722 RVA: 0x002B5898 File Offset: 0x002B3A98
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[Token(Token = "0x17001D78")]
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internal AsymmetricCipherKeyPair SenderKeyPair
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{
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[Token(Token = "0x600BE52")]
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[Address(RVA = "0x409C60", Offset = "0x408A60", VA = "0x180409C60")]
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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: 0x0600BE53 RID: 48723 RVA: 0x002B58AC File Offset: 0x002B3AAC
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[Token(Token = "0x600BE53")]
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[Address(RVA = "0x200F360", Offset = "0x200E160", VA = "0x18200F360", 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: 0x0600BE54 RID: 48724 RVA: 0x002B5B30 File Offset: 0x002B3D30
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[Token(Token = "0x600BE54")]
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[Address(RVA = "0x200F240", Offset = "0x200E040", VA = "0x18200F240")]
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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: 0x0400791C RID: 31004
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[Token(Token = "0x400791C")]
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private static readonly CmsEnvelopedHelper Helper = CmsEnvelopedHelper.Instance;
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// Token: 0x0400791D RID: 31005
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x400791D")]
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private DerObjectIdentifier keyAgreementOID;
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// Token: 0x0400791E RID: 31006
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x400791E")]
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private DerObjectIdentifier keyEncryptionOID;
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// Token: 0x0400791F RID: 31007
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x400791F")]
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private IList recipientCerts;
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// Token: 0x04007920 RID: 31008
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x4007920")]
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private AsymmetricCipherKeyPair senderKeyPair;
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}
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}
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