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#ifndef CIPHER_H
#define CIPHER_H
#include "kdf.h"
#include "session.h"
char *cipher_rsa_decrypt(const unsigned char *ciphertext, size_t len, const struct private_key *private_key);
int cipher_rsa_encrypt_bytes(const unsigned char *plaintext,
size_t in_len,
const struct public_key *public_key,
unsigned char *out_crypttext, size_t *out_len);
int cipher_rsa_encrypt(const char *plaintext,
const struct public_key *public_key,
unsigned char *out_crypttext, size_t *out_len);
char *cipher_aes_decrypt(const unsigned char *ciphertext, size_t len, const unsigned char key[KDF_HASH_LEN]);
char *cipher_aes_decrypt_base64(const char *ciphertext, const unsigned char key[KDF_HASH_LEN]);
size_t cipher_aes_encrypt(const char *plaintext, const unsigned char key[KDF_HASH_LEN], unsigned char **ciphertext);
char *cipher_base64(const unsigned char *bytes, size_t len);
size_t cipher_unbase64(const char *ciphertext, unsigned char **b64data);
size_t unbase64(const char *ptext, unsigned char **b64data);
char *encrypt_and_base64(const char *str, unsigned const char key[KDF_HASH_LEN]);
void cipher_decrypt_private_key(const char *key_hex, unsigned const char key[KDF_HASH_LEN], struct private_key *out_key);
char *cipher_encrypt_private_key(struct private_key *private_key,
unsigned const char key[KDF_HASH_LEN]);
char *cipher_sha256_hex(unsigned char *bytes, size_t len);
char *cipher_sha256_b64(unsigned char *bytes, size_t len);
char *cipher_multi_sha256_hex(int num_args, ...);
#endif
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