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43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
#ifndef _CRYPTO_CRYPTO_H
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#define _CRYPTO_CRYPTO_H
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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// CRC32 API
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uint32_t crc32(uint32_t crc, const void* buf, size_t size);
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// MD5 API
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typedef struct {
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uint32_t state[4];
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uint32_t count[2];
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uint8_t buffer[64];
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} md5_ctx_t;
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void md5_init(md5_ctx_t* ctx);
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void md5_update(md5_ctx_t* ctx, const void* input, size_t input_len);
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void md5_final(uint8_t digest[16], md5_ctx_t* ctx);
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void md5_string(const char* str, char output[33]);
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// SHA-256 API
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typedef struct {
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uint32_t state[8];
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uint64_t bitlen;
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uint8_t buffer[64];
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size_t datalen;
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} sha256_ctx_t;
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void sha256_init(sha256_ctx_t* ctx);
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void sha256_update(sha256_ctx_t* ctx, const void* data, size_t len);
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void sha256_final(uint8_t hash[32], sha256_ctx_t* ctx);
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void sha256_string(const char* str, char output[65]);
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// PRNG (Cryptographic Pseudo-Random Number Generator)
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void prng_seed(uint64_t seed1, uint64_t seed2);
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uint64_t prng_rand64(void);
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uint32_t prng_rand32(void);
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void prng_get_bytes(void* buf, size_t len);
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#endif // _CRYPTO_CRYPTO_H
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