108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
/******************************************************************************/
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/* SlunkCrypt, by LoRd_MuldeR <MuldeR2@GMX.de> */
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/* This work has been released under the CC0 1.0 Universal license! */
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/******************************************************************************/
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#ifndef INC_SLUNKCRYPT_H
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#define INC_SLUNKCRYPT_H
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/*
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* Build options
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*/
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#ifndef SLUNKCRYPT_SHARED
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#define SLUNKCRYPT_SHARED 0
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#endif
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#ifndef SLUNKCRYPT_EXPORT
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#define SLUNKCRYPT_EXPORT 0
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#endif
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/*
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* Win32 DLL support
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*/
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#if defined(_MSC_VER) && SLUNKCRYPT_SHARED
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#if SLUNKCRYPT_EXPORT
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#define SLUNKCRYPT_API __declspec(dllexport)
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#else
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#define SLUNKCRYPT_API __declspec(dllimport)
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#endif
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#else
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#define SLUNKCRYPT_API
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#endif
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#include <stdlib.h>
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#include <stdint.h>
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/*
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* Opaque handle to internal state
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*/
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typedef uintptr_t slunkcrypt_t;
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#define SLUNKCRYPT_NULL ((slunkcrypt_t)NULL)
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/*
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* Error codes
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*/
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static const int SLUNKCRYPT_SUCCESS = 0;
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static const int SLUNKCRYPT_FAILURE = -1;
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static const int SLUNKCRYPT_ABORTED = -2;
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/*
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* Limits
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*/
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static const size_t SLUNKCRYPT_PWDLEN_MIN = 5U;
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static const size_t SLUNKCRYPT_PWDLEN_MAX = 512U;
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/*
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* Version info
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*/
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SLUNKCRYPT_API extern const uint16_t SLUNKCRYPT_VERSION_MAJOR;
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SLUNKCRYPT_API extern const uint16_t SLUNKCRYPT_VERSION_MINOR;
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SLUNKCRYPT_API extern const uint16_t SLUNKCRYPT_VERSION_PATCH;
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/*
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* Build date and time
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*/
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SLUNKCRYPT_API extern const char *const SLUNKCRYPT_BUILD;
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/*
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* Abort flag
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*/
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SLUNKCRYPT_API extern volatile int g_slunkcrypt_abort_flag;
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/*
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* Global (de)initialization routines
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*/
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SLUNKCRYPT_API void slunkcrypt_startup(void);
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SLUNKCRYPT_API void slunkcrypt_cleanup(void);
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/*
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* Seed generator
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*/
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SLUNKCRYPT_API int slunkcrypt_generate_seed(uint64_t* const seed);
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/*
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* Allocate, reset or free state
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*/
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SLUNKCRYPT_API slunkcrypt_t slunkcrypt_alloc(const uint64_t salt, const uint8_t *const passwd, const size_t passwd_len);
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SLUNKCRYPT_API int slunkcrypt_reset(const slunkcrypt_t context, const uint64_t salt, const uint8_t *const passwd, const size_t passwd_len);
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SLUNKCRYPT_API void slunkcrypt_free(const slunkcrypt_t context);
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/*
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* Encryption routines
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*/
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SLUNKCRYPT_API int slunkcrypt_encrypt(const slunkcrypt_t context, const uint8_t *const input, uint8_t* const output, size_t length);
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SLUNKCRYPT_API int slunkcrypt_encrypt_inplace(const slunkcrypt_t context, uint8_t *const buffer, size_t length);
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/*
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* Decryption routines
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*/
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SLUNKCRYPT_API int slunkcrypt_decrypt(const slunkcrypt_t context, const uint8_t *const input, uint8_t *const output, size_t length);
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SLUNKCRYPT_API int slunkcrypt_decrypt_inplace(const slunkcrypt_t context, uint8_t* const buffer, size_t length);
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/*
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* Auxiliary functions
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*/
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SLUNKCRYPT_API int slunkcrypt_random_bytes(uint8_t* const buffer, const size_t length);
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SLUNKCRYPT_API void slunkcrypt_bzero(void* const ptr, const size_t length);
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#endif
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