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Do not crash if key is NULL

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This commit is contained in:
Sylvain Berfini 2018-02-08 17:25:35 +01:00
parent bfe175f853
commit 1b74fdadef
1 changed files with 3 additions and 0 deletions
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3
coreapi/lime.c
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@ -421,6 +421,8 @@ int lime_encryptFile(void **cryptoContext, unsigned char *key, size_t length, ch
int lime_decryptFile(void **cryptoContext, unsigned char *key, size_t length, char *plain, char *cipher) {
bctbx_aes_gcm_context_t *gcmContext;
if (key == NULL) return -1;
if (*cryptoContext == NULL) { /* first call to the function, allocate a crypto context and initialise it */
/* key contains 192bits of key || 64 bits of Initialisation Vector, no additional data */
gcmContext = bctbx_aes_gcm_context_new(key, 24, NULL, 0, key+24, 8, BCTBX_GCM_DECRYPT);
@ -895,6 +897,7 @@ int lime_im_encryption_engine_process_downloading_file_cb(LinphoneImEncryptionEn
LinphoneContent *content = linphone_chat_message_get_file_transfer_information(msg);
if (!content)
return -1;
if (!linphone_content_get_key(content)) {
linphone_content_unref(content);
return -1;