/*
 * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef DECODER_PROVIDER
# error Macro DECODER_PROVIDER undefined
#endif

#define DECODER_STRUCTURE_type_specific_keypair         "type-specific"
#define DECODER_STRUCTURE_type_specific_params          "type-specific"
#define DECODER_STRUCTURE_type_specific                 "type-specific"
#define DECODER_STRUCTURE_type_specific_no_pub          "type-specific"
#define DECODER_STRUCTURE_EncryptedPrivateKeyInfo       "EncryptedPrivateKeyInfo"
#define DECODER_STRUCTURE_PrivateKeyInfo                "PrivateKeyInfo"
#define DECODER_STRUCTURE_SubjectPublicKeyInfo          "SubjectPublicKeyInfo"
#define DECODER_STRUCTURE_DH                            "dh"
#define DECODER_STRUCTURE_DHX                           "dhx"
#define DECODER_STRUCTURE_DSA                           "dsa"
#define DECODER_STRUCTURE_EC                            "ec"
#define DECODER_STRUCTURE_RSA                           "rsa"

/* Arguments are prefixed with '_' to avoid build breaks on certain platforms */
#define DECODER(_name, _input, _output, _fips)                          \
    { _name,                                                            \
      "provider=" DECODER_PROVIDER ",fips=" #_fips ",input=" #_input,   \
      (ossl_##_input##_to_##_output##_decoder_functions) }
#define DECODER_w_structure(_name, _input, _structure, _output, _fips)  \
    { _name,                                                            \
      "provider=" DECODER_PROVIDER ",fips=" #_fips ",input=" #_input    \
      ",structure=" DECODER_STRUCTURE_##_structure,                     \
      (ossl_##_structure##_##_input##_to_##_output##_decoder_functions) }

#ifndef OPENSSL_NO_DH
DECODER_w_structure("DH", der, PrivateKeyInfo, dh, yes),
DECODER_w_structure("DH", der, SubjectPublicKeyInfo, dh, yes),
DECODER_w_structure("DH", der, type_specific_params, dh, yes),
DECODER_w_structure("DH", der, DH, dh, yes),
DECODER_w_structure("DHX", der, PrivateKeyInfo, dhx, yes),
DECODER_w_structure("DHX", der, SubjectPublicKeyInfo, dhx, yes),
DECODER_w_structure("DHX", der, type_specific_params, dhx, yes),
DECODER_w_structure("DHX", der, DHX, dhx, yes),
#endif
#ifndef OPENSSL_NO_DSA
DECODER_w_structure("DSA", der, PrivateKeyInfo, dsa, yes),
DECODER_w_structure("DSA", der, SubjectPublicKeyInfo, dsa, yes),
DECODER_w_structure("DSA", der, type_specific, dsa, yes),
DECODER_w_structure("DSA", der, DSA, dsa, yes),
DECODER("DSA", msblob, dsa, yes),
DECODER("DSA", pvk, dsa, yes),
#endif
#ifndef OPENSSL_NO_EC
DECODER_w_structure("EC", der, PrivateKeyInfo, ec, yes),
DECODER_w_structure("EC", der, SubjectPublicKeyInfo, ec, yes),
DECODER_w_structure("EC", der, type_specific_no_pub, ec, yes),
DECODER_w_structure("EC", der, EC, ec, yes),
DECODER_w_structure("ED25519", der, PrivateKeyInfo, ed25519, yes),
DECODER_w_structure("ED25519", der, SubjectPublicKeyInfo, ed25519, yes),
DECODER_w_structure("ED448", der, PrivateKeyInfo, ed448, yes),
DECODER_w_structure("ED448", der, SubjectPublicKeyInfo, ed448, yes),
DECODER_w_structure("X25519", der, PrivateKeyInfo, x25519, yes),
DECODER_w_structure("X25519", der, SubjectPublicKeyInfo, x25519, yes),
DECODER_w_structure("X448", der, PrivateKeyInfo, x448, yes),
DECODER_w_structure("X448", der, SubjectPublicKeyInfo, x448, yes),
# ifndef OPENSSL_NO_SM2
DECODER_w_structure("SM2", der, PrivateKeyInfo, sm2, no),
DECODER_w_structure("SM2", der, SubjectPublicKeyInfo, sm2, no),
# endif
#endif
DECODER_w_structure("RSA", der, PrivateKeyInfo, rsa, yes),
DECODER_w_structure("RSA", der, SubjectPublicKeyInfo, rsa, yes),
DECODER_w_structure("RSA", der, type_specific_keypair, rsa, yes),
DECODER_w_structure("RSA", der, RSA, rsa, yes),
DECODER_w_structure("RSA-PSS", der, PrivateKeyInfo, rsapss, yes),
DECODER_w_structure("RSA-PSS", der, SubjectPublicKeyInfo, rsapss, yes),
DECODER("RSA", msblob, rsa, yes),
DECODER("RSA", pvk, rsa, yes),

/*
 * A decoder that takes a SubjectPublicKeyInfo and figures out the types of key
 * that it contains. The output is the same SubjectPublicKeyInfo
 */
DECODER_w_structure("DER", der, SubjectPublicKeyInfo, der, yes),
DECODER("DER", pem, der, yes),
/*
 * A decoder that recognises PKCS#8 EncryptedPrivateKeyInfo structure
 * and decrypts it, passing on the unencrypted PrivateKeyInfo in DER
 * form to the next decoder.
 */
DECODER_w_structure("DER", der, EncryptedPrivateKeyInfo, der, yes),