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Regards https://github.com/profanity-im/profanity/issues/1396
This commit is contained in:
Michael Vetter
2020-07-07 09:43:28 +02:00
parent 66f9a6b721
commit 9b55f2dec0
214 changed files with 19572 additions and 17582 deletions
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112
src/omemo/crypto.c
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@@ -33,13 +33,13 @@
*
*/
#include <assert.h>
#include <gcrypt.h>
#include <signal/signal_protocol.h>
#include <signal/signal_protocol_types.h>
#include <gcrypt.h>
#include "log.h"
#include "omemo/omemo.h"
#include "omemo/crypto.h"
#include "omemo/omemo.h"
int
omemo_crypto_init(void)
@@ -65,14 +65,14 @@ omemo_crypto_init(void)
}
int
omemo_random_func(uint8_t *data, size_t len, void *user_data)
omemo_random_func(uint8_t* data, size_t len, void* user_data)
{
gcry_randomize(data, len, GCRY_VERY_STRONG_RANDOM);
return 0;
}
int
omemo_hmac_sha256_init_func(void **hmac_context, const uint8_t *key, size_t key_len, void *user_data)
omemo_hmac_sha256_init_func(void** hmac_context, const uint8_t* key, size_t key_len, void* user_data)
{
gcry_error_t res;
gcry_mac_hd_t hd;
@@ -94,7 +94,7 @@ omemo_hmac_sha256_init_func(void **hmac_context, const uint8_t *key, size_t key_
}
int
omemo_hmac_sha256_update_func(void *hmac_context, const uint8_t *data, size_t data_len, void *user_data)
omemo_hmac_sha256_update_func(void* hmac_context, const uint8_t* data, size_t data_len, void* user_data)
{
gcry_error_t res;
@@ -108,7 +108,7 @@ omemo_hmac_sha256_update_func(void *hmac_context, const uint8_t *data, size_t da
}
int
omemo_hmac_sha256_final_func(void *hmac_context, signal_buffer **output, void *user_data)
omemo_hmac_sha256_final_func(void* hmac_context, signal_buffer** output, void* user_data)
{
gcry_error_t res;
size_t mac_len = 32;
@@ -125,13 +125,13 @@ omemo_hmac_sha256_final_func(void *hmac_context, signal_buffer **output, void *u
}
void
omemo_hmac_sha256_cleanup_func(void *hmac_context, void *user_data)
omemo_hmac_sha256_cleanup_func(void* hmac_context, void* user_data)
{
gcry_mac_close(hmac_context);
}
int
omemo_sha512_digest_init_func(void **digest_context, void *user_data)
omemo_sha512_digest_init_func(void** digest_context, void* user_data)
{
gcry_error_t res;
gcry_md_hd_t hd;
@@ -148,7 +148,7 @@ omemo_sha512_digest_init_func(void **digest_context, void *user_data)
}
int
omemo_sha512_digest_update_func(void *digest_context, const uint8_t *data, size_t data_len, void *user_data)
omemo_sha512_digest_update_func(void* digest_context, const uint8_t* data, size_t data_len, void* user_data)
{
gcry_md_write(digest_context, data, data_len);
@@ -156,7 +156,7 @@ omemo_sha512_digest_update_func(void *digest_context, const uint8_t *data, size_
}
int
omemo_sha512_digest_final_func(void *digest_context, signal_buffer **output, void *user_data)
omemo_sha512_digest_final_func(void* digest_context, signal_buffer** output, void* user_data)
{
gcry_error_t res;
unsigned char out[64];
@@ -172,37 +172,37 @@ omemo_sha512_digest_final_func(void *digest_context, signal_buffer **output, voi
}
void
omemo_sha512_digest_cleanup_func(void *digest_context, void *user_data)
omemo_sha512_digest_cleanup_func(void* digest_context, void* user_data)
{
gcry_md_close(digest_context);
}
int
omemo_encrypt_func(signal_buffer **output, int cipher, const uint8_t *key, size_t key_len, const uint8_t *iv, size_t iv_len,
const uint8_t *plaintext, size_t plaintext_len, void *user_data)
omemo_encrypt_func(signal_buffer** output, int cipher, const uint8_t* key, size_t key_len, const uint8_t* iv, size_t iv_len,
const uint8_t* plaintext, size_t plaintext_len, void* user_data)
{
gcry_cipher_hd_t hd;
unsigned char *padded_plaintext;
unsigned char *ciphertext;
unsigned char* padded_plaintext;
unsigned char* ciphertext;
size_t ciphertext_len;
int mode;
int algo;
uint8_t padding = 0;
switch (key_len) {
case 32:
algo = GCRY_CIPHER_AES256;
break;
default:
return OMEMO_ERR_UNSUPPORTED_CRYPTO;
case 32:
algo = GCRY_CIPHER_AES256;
break;
default:
return OMEMO_ERR_UNSUPPORTED_CRYPTO;
}
switch (cipher) {
case SG_CIPHER_AES_CBC_PKCS5:
mode = GCRY_CIPHER_MODE_CBC;
break;
default:
return OMEMO_ERR_UNSUPPORTED_CRYPTO;
case SG_CIPHER_AES_CBC_PKCS5:
mode = GCRY_CIPHER_MODE_CBC;
break;
default:
return OMEMO_ERR_UNSUPPORTED_CRYPTO;
}
gcry_cipher_open(&hd, algo, mode, GCRY_CIPHER_SECURE);
@@ -210,12 +210,12 @@ omemo_encrypt_func(signal_buffer **output, int cipher, const uint8_t *key, size_
gcry_cipher_setkey(hd, key, key_len);
switch (cipher) {
case SG_CIPHER_AES_CBC_PKCS5:
gcry_cipher_setiv(hd, iv, iv_len);
padding = 16 - (plaintext_len % 16);
break;
default:
assert(FALSE);
case SG_CIPHER_AES_CBC_PKCS5:
gcry_cipher_setiv(hd, iv, iv_len);
padding = 16 - (plaintext_len % 16);
break;
default:
assert(FALSE);
}
padded_plaintext = malloc(plaintext_len + padding);
@@ -236,31 +236,31 @@ omemo_encrypt_func(signal_buffer **output, int cipher, const uint8_t *key, size_
}
int
omemo_decrypt_func(signal_buffer **output, int cipher, const uint8_t *key, size_t key_len, const uint8_t *iv, size_t iv_len,
const uint8_t *ciphertext, size_t ciphertext_len, void *user_data)
omemo_decrypt_func(signal_buffer** output, int cipher, const uint8_t* key, size_t key_len, const uint8_t* iv, size_t iv_len,
const uint8_t* ciphertext, size_t ciphertext_len, void* user_data)
{
int ret = SG_SUCCESS;
gcry_cipher_hd_t hd;
unsigned char *plaintext;
unsigned char* plaintext;
size_t plaintext_len;
int mode;
int algo;
uint8_t padding = 0;
switch (key_len) {
case 32:
algo = GCRY_CIPHER_AES256;
break;
default:
return OMEMO_ERR_UNSUPPORTED_CRYPTO;
case 32:
algo = GCRY_CIPHER_AES256;
break;
default:
return OMEMO_ERR_UNSUPPORTED_CRYPTO;
}
switch (cipher) {
case SG_CIPHER_AES_CBC_PKCS5:
mode = GCRY_CIPHER_MODE_CBC;
break;
default:
return OMEMO_ERR_UNSUPPORTED_CRYPTO;
case SG_CIPHER_AES_CBC_PKCS5:
mode = GCRY_CIPHER_MODE_CBC;
break;
default:
return OMEMO_ERR_UNSUPPORTED_CRYPTO;
}
gcry_cipher_open(&hd, algo, mode, GCRY_CIPHER_SECURE);
@@ -268,11 +268,11 @@ omemo_decrypt_func(signal_buffer **output, int cipher, const uint8_t *key, size_
gcry_cipher_setkey(hd, key, key_len);
switch (cipher) {
case SG_CIPHER_AES_CBC_PKCS5:
gcry_cipher_setiv(hd, iv, iv_len);
break;
default:
assert(FALSE);
case SG_CIPHER_AES_CBC_PKCS5:
gcry_cipher_setiv(hd, iv, iv_len);
break;
default:
assert(FALSE);
}
plaintext_len = ciphertext_len;
@@ -280,11 +280,11 @@ omemo_decrypt_func(signal_buffer **output, int cipher, const uint8_t *key, size_
gcry_cipher_decrypt(hd, plaintext, plaintext_len, ciphertext, ciphertext_len);
switch (cipher) {
case SG_CIPHER_AES_CBC_PKCS5:
padding = plaintext[plaintext_len - 1];
break;
default:
assert(FALSE);
case SG_CIPHER_AES_CBC_PKCS5:
padding = plaintext[plaintext_len - 1];
break;
default:
assert(FALSE);
}
int i;
@@ -306,7 +306,7 @@ out:
}
int
aes128gcm_encrypt(unsigned char *ciphertext, size_t *ciphertext_len, unsigned char *tag, size_t *tag_len, const unsigned char *const plaintext, size_t plaintext_len, const unsigned char *const iv, const unsigned char *const key)
aes128gcm_encrypt(unsigned char* ciphertext, size_t* ciphertext_len, unsigned char* tag, size_t* tag_len, const unsigned char* const plaintext, size_t plaintext_len, const unsigned char* const iv, const unsigned char* const key)
{
gcry_error_t res;
gcry_cipher_hd_t hd;
@@ -340,7 +340,7 @@ out:
}
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)
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)
{
gcry_error_t res;
gcry_cipher_hd_t hd;