43 lines
1.2 KiB
C#
43 lines
1.2 KiB
C#
using GostCryptography.Asn1.Ber;
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using GostCryptography.Properties;
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namespace GostCryptography.Asn1.Gost.Gost_R3410
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{
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public abstract class Gost_R3410_PublicKey : Asn1OctetString
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{
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private readonly int _keySize;
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protected Gost_R3410_PublicKey(int keySize)
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{
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_keySize = keySize;
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}
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public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
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{
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base.Decode(buffer, explicitTagging, implicitLength);
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if (Length != _keySize)
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{
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throw ExceptionUtility.CryptographicException(Resources.Asn1ConsVioException, nameof(Length), Length);
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}
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}
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public override int Encode(Asn1BerEncodeBuffer buffer, bool explicitTagging)
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{
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if (Length != _keySize)
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{
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throw ExceptionUtility.CryptographicException(Resources.Asn1ConsVioException, nameof(Length), Length);
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}
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var len = base.Encode(buffer, false);
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if (explicitTagging)
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{
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len += buffer.EncodeTagAndLength(Tag, len);
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}
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return len;
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}
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}
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}
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