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Initial /sendfile OMEMO encryption

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This commit is contained in:
William Wennerström
2020-06-11 22:50:36 +02:00
parent 35aecd425f
commit 3370418d71
8 changed files with 242 additions and 54 deletions
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18
src/omemo/crypto.h
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@@ -32,12 +32,16 @@
* source files in the program, then also delete it here.
*
*/
#include <stdio.h>
#include <signal/signal_protocol_types.h>
#define AES128_GCM_KEY_LENGTH 16
#define AES128_GCM_IV_LENGTH 12
#define AES128_GCM_TAG_LENGTH 16
#define AES256_GCM_KEY_LENGTH 32
#define AES256_GCM_NONCE_LENGTH 12
int omemo_crypto_init(void);
/**
* Callback for a secure random number generator.
@@ -176,7 +180,13 @@ int aes128gcm_encrypt(unsigned char* ciphertext, size_t* ciphertext_len,
const unsigned char* const plaintext, size_t plaintext_len,
const unsigned char* const iv, const unsigned char* const key);
int aes128gcm_decrypt(unsigned char* plaintext,
size_t* plaintext_len, const unsigned char* const ciphertext,
size_t ciphertext_len, const unsigned char* const iv, size_t iv_len,
const unsigned char* const key, const unsigned char* const tag);
int aes128gcm_decrypt(unsigned char *plaintext,
size_t *plaintext_len, const unsigned char *const ciphertext,
size_t ciphertext_len, const unsigned char *const iv, size_t iv_len,
const unsigned char *const key, const unsigned char *const tag);
int aes256gcm_encrypt_file(FILE *in, FILE *out, off_t file_size,
unsigned char key[], unsigned char nonce[]);
int aes256gcm_decrypt_file(FILE *in, FILE *out, off_t file_size,
unsigned char key[], unsigned char nonce[]);