mirror of
https://github.com/moonlight-stream/moonlight-common-c.git
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Cameron Gutman
518b244152
This also fixes an issue that caused audio decryption to fail on MbedTLS 3.x. Closes #142
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
#pragma once
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#include <stdbool.h>
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// Retain backwards compatibility with older USE_MBEDTLS
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#if defined(USE_MBEDTLS) && !defined(USE_PSA_CRYPTO)
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#define USE_PSA_CRYPTO
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#endif
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#ifdef USE_PSA_CRYPTO
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#include <psa/crypto.h>
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#else
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// Hide the real OpenSSL definition from other code
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typedef struct evp_cipher_ctx_st EVP_CIPHER_CTX;
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#endif
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typedef struct _PLT_CRYPTO_CONTEXT {
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#ifdef USE_PSA_CRYPTO
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psa_key_id_t key;
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psa_cipher_operation_t cipherOp;
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bool initialized;
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bool cipherOpActive;
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#else
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EVP_CIPHER_CTX* ctx;
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bool initialized;
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#endif
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} PLT_CRYPTO_CONTEXT, *PPLT_CRYPTO_CONTEXT;
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#define ROUND_TO_PKCS7_PADDED_LEN(x) ((((x) + 15) / 16) * 16)
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PPLT_CRYPTO_CONTEXT PltCreateCryptoContext(void);
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void PltDestroyCryptoContext(PPLT_CRYPTO_CONTEXT ctx);
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#define ALGORITHM_AES_CBC 1
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#define ALGORITHM_AES_GCM 2
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#define CIPHER_FLAG_RESET_IV 0x01
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#define CIPHER_FLAG_FINISH 0x02
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#define CIPHER_FLAG_PAD_TO_BLOCK_SIZE 0x04
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bool PltEncryptMessage(PPLT_CRYPTO_CONTEXT ctx, int algorithm, int flags,
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unsigned char* key, int keyLength,
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unsigned char* iv, int ivLength,
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unsigned char* tag, int tagLength,
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unsigned char* inputData, int inputDataLength,
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unsigned char* outputData, int* outputDataLength);
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bool PltDecryptMessage(PPLT_CRYPTO_CONTEXT ctx, int algorithm, int flags,
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unsigned char* key, int keyLength,
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unsigned char* iv, int ivLength,
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unsigned char* tag, int tagLength,
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unsigned char* inputData, int inputDataLength,
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unsigned char* outputData, int* outputDataLength);
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void PltGenerateRandomData(unsigned char* data, int length);
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