moonlight-common-c/src/PlatformCrypto.h
2021-05-25 19:54:03 -05:00

49 lines
1.6 KiB
C

#pragma once
#include <stdbool.h>
#ifdef USE_MBEDTLS
#include <mbedtls/cipher.h>
#else
// Hide the real OpenSSL definition from other code
typedef struct evp_cipher_ctx_st EVP_CIPHER_CTX;
#endif
typedef struct _PLT_CRYPTO_CONTEXT {
#ifdef USE_MBEDTLS
mbedtls_cipher_context_t ctx;
bool initialized;
#else
EVP_CIPHER_CTX* ctx;
bool initialized;
#endif
} PLT_CRYPTO_CONTEXT, *PPLT_CRYPTO_CONTEXT;
#define ROUND_TO_PKCS7_PADDED_LEN(x) ((((x) + 15) / 16) * 16)
PPLT_CRYPTO_CONTEXT PltCreateCryptoContext(void);
void PltDestroyCryptoContext(PPLT_CRYPTO_CONTEXT ctx);
#define ALGORITHM_AES_CBC 1
#define ALGORITHM_AES_GCM 2
#define CIPHER_FLAG_RESET_IV 0x01
#define CIPHER_FLAG_FINISH 0x02
#define CIPHER_FLAG_PAD_TO_BLOCK_SIZE 0x04
bool PltEncryptMessage(PPLT_CRYPTO_CONTEXT ctx, int algorithm, int flags,
unsigned char* key, int keyLength,
unsigned char* iv, int ivLength,
unsigned char* tag, int tagLength,
unsigned char* inputData, int inputDataLength,
unsigned char* outputData, int* outputDataLength);
bool PltDecryptMessage(PPLT_CRYPTO_CONTEXT ctx, int algorithm, int flags,
unsigned char* key, int keyLength,
unsigned char* iv, int ivLength,
unsigned char* tag, int tagLength,
unsigned char* inputData, int inputDataLength,
unsigned char* outputData, int* outputDataLength);
void PltGenerateRandomData(unsigned char* data, int length);