44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
#pragma once
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#include <stdbool.h>
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#ifdef USE_MBEDTLS
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#include <mbedtls/cipher.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_MBEDTLS
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bool initialized;
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mbedtls_cipher_context_t ctx;
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#else
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bool initialized; // Used for CBC only
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EVP_CIPHER_CTX* ctx;
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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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bool PltEncryptMessage(PPLT_CRYPTO_CONTEXT ctx, int algorithm,
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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,
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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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