31 lines
1.1 KiB
Kotlin
31 lines
1.1 KiB
Kotlin
// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package org.pgpainless.decryption_verification.syntax_check
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enum class InputSymbol {
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/** A [PGPLiteralData] packet. */
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LITERAL_DATA,
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/** A [PGPSignatureList] object. */
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SIGNATURE,
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/** A [PGPOnePassSignatureList] object. */
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ONE_PASS_SIGNATURE,
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/**
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* A [PGPCompressedData] packet. The contents of this packet MUST form a valid OpenPGP message,
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* so a nested PDA is opened to verify its nested packet sequence.
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*/
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COMPRESSED_DATA,
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/**
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* A [PGPEncryptedDataList] object. This object combines multiple ESKs and the corresponding
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* Symmetrically Encrypted (possibly Integrity Protected) Data packet.
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*/
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ENCRYPTED_DATA,
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/**
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* Marks the end of a (sub-) sequence. This input is given if the end of an OpenPGP message is
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* reached. This might be the case for the end of the whole ciphertext, or the end of a packet
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* with nested contents (e.g. the end of a Compressed Data packet).
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*/
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END_OF_SEQUENCE
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}
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