62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include <unistd.h>
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struct crypto_key;
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struct crypto_cipher;
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struct crypto_hash;
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enum crypto_cipher_type {
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CRYPTO_CIPHER_INVALID = 0,
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CRYPTO_CIPHER_AES128_ECB,
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};
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enum crypto_hash_type {
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CRYPTO_HASH_INVALID = 0,
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CRYPTO_HASH_MD5,
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};
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void crypto_dump_base64(const char* msg, const uint8_t* bytes, size_t len);
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void crypto_cleanup(void);
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// Key generation
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struct crypto_key* crypto_key_new(int g, const uint8_t *p, uint32_t p_len,
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const uint8_t* q, uint32_t q_len);
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void crypto_key_del(struct crypto_key* key);
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int crypto_key_g(const struct crypto_key* key);
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uint32_t crypto_key_p(const struct crypto_key* key, uint8_t* dst,
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uint32_t dst_size);
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uint32_t crypto_key_q(const struct crypto_key* key, uint8_t* dst,
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uint32_t dst_size);
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struct crypto_key* crypto_keygen(void);
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// Diffie-Hellman
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struct crypto_key* crypto_derive_public_key(const struct crypto_key* priv);
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struct crypto_key* crypto_derive_shared_secret(
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const struct crypto_key* own_secret,
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const struct crypto_key* remote_public_key);
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// Ciphers
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struct crypto_cipher* crypto_cipher_new(const uint8_t* key,
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enum crypto_cipher_type type);
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void crypto_cipher_del(struct crypto_cipher* self);
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bool crypto_cipher_encrypt(struct crypto_cipher* self, uint8_t* dst,
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const uint8_t* src, size_t len);
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bool crypto_cipher_decrypt(struct crypto_cipher* self, uint8_t* dst,
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const uint8_t* src, size_t len);
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// Hashing
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struct crypto_hash* crypto_hash_new(enum crypto_hash_type type);
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void crypto_hash_del(struct crypto_hash* self);
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void crypto_hash_append(struct crypto_hash* self, const uint8_t* src,
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size_t len);
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void crypto_hash_digest(struct crypto_hash* self, uint8_t* dst,
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size_t len);
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