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45 lines
2.5 KiB
45 lines
2.5 KiB
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR) |
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#pragma warning disable |
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using System; |
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using System.IO; |
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Tls.Crypto.Impl |
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{ |
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/// <summary>Base interface for services supporting AEAD encryption/decryption.</summary> |
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public interface TlsAeadCipherImpl |
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{ |
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/// <summary>Set the key to be used by the AEAD cipher implementation supporting this service.</summary> |
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/// <param name="key">array holding the AEAD cipher key.</param> |
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/// <param name="keyOff">offset into the array the key starts at.</param> |
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/// <param name="keyLen">length of the key in the array.</param> |
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/// <exception cref="IOException"/> |
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void SetKey(byte[] key, int keyOff, int keyLen); |
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/// <summary>Initialise the parameters for the AEAD operator.</summary> |
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/// <param name="nonce">the nonce.</param> |
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/// <param name="macSize">MAC size in bytes.</param> |
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/// <param name="additionalData">any additional data to be included in the MAC calculation.</param> |
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/// <exception cref="IOException">if the parameters are inappropriate.</exception> |
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void Init(byte[] nonce, int macSize, byte[] additionalData); |
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/// <summary>Return the maximum size of the output for input of inputLength bytes.</summary> |
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/// <param name="inputLength">the length (in bytes) of the proposed input.</param> |
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/// <returns>the maximum size of the output.</returns> |
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int GetOutputSize(int inputLength); |
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/// <summary>Perform the cipher encryption/decryption returning the output in output.</summary> |
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/// <remarks> |
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/// Note: we have to use DoFinal() here as it is the only way to guarantee output from the underlying cipher. |
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/// </remarks> |
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/// <param name="input">array holding input data to the cipher.</param> |
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/// <param name="inputOffset">offset into input array data starts at.</param> |
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/// <param name="inputLength">length of the input data in the array.</param> |
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/// <param name="output">array to hold the cipher output.</param> |
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/// <param name="outputOffset">offset into output array to start saving output.</param> |
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/// <returns>the amount of data written to output.</returns> |
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/// <exception cref="IOException">in case of failure.</exception> |
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int DoFinal(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset); |
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} |
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} |
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#pragma warning restore |
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#endif
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