60 static int encode_key(char *out, uint8_t *in, int length)  in encode_key()  argument
63     for (i = length; i > 0; --i, ++in, ++out) {  in encode_key()
69             ++length;  in encode_key()
73     return length;  in encode_key()
76 static int decode_key(uint8_t *out, char *in, int length)  in decode_key()  argument
79     for (i = 0; i < length; ++i, ++in, ++out) {  in decode_key()
85             --length;  in decode_key()
89     return length;  in decode_key()
104 static int recv_message(uint8_t *message, int length)  in recv_message()  argument
112         if (length < offset) {  in recv_message()
115         length = offset;  in recv_message()
117         while (offset < length) {  in recv_message()
118             int n = recv(the_socket, &message[offset], length - offset, 0);  in recv_message()
125     return length;  in recv_message()
139 static void send_message(uint8_t *message, int length)  in send_message()  argument
141     uint16_t bytes = htons(length);  in send_message()
143     send(the_socket, message, length, 0);  in send_message()
164     int32_t length;  member
171     int length;  in encrypt_blob()  local
178     length = blob.length + (blob.value - blob.encrypted);  in encrypt_blob()
179     length = (length + AES_BLOCK_SIZE - 1) / AES_BLOCK_SIZE * AES_BLOCK_SIZE;  in encrypt_blob()
182         memmove(&blob.encrypted[length], &blob.value[blob.length], blob.info);  in encrypt_blob()
185     blob.length = htonl(blob.length);  in encrypt_blob()
186     MD5(blob.digested, length - (blob.digested - blob.encrypted), blob.digest);  in encrypt_blob()
189     AES_cbc_encrypt(blob.encrypted, blob.encrypted, length, aes_key, vector,  in encrypt_blob()
193     length += (blob.encrypted - (uint8_t *)&blob) + blob.info;  in encrypt_blob()
196     length -= write(fd, &blob, length);  in encrypt_blob()
198     return (length || rename(".tmp", name)) ? SYSTEM_ERROR : NO_ERROR;  in encrypt_blob()
204     int length;  in decrypt_blob()  local
209     length = read(fd, &blob, sizeof(blob));  in decrypt_blob()
212     length -= (blob.encrypted - (uint8_t *)&blob) + blob.info;  in decrypt_blob()
213     if (length < blob.value - blob.encrypted || length % AES_BLOCK_SIZE != 0) {  in decrypt_blob()
217     AES_cbc_encrypt(blob.encrypted, blob.encrypted, length, aes_key,  in decrypt_blob()
219     length -= blob.digested - blob.encrypted;  in decrypt_blob()
220     if (memcmp(blob.digest, MD5(blob.digested, length, NULL),  in decrypt_blob()
225     length -= blob.value - blob.digested;  in decrypt_blob()
226     blob.length = ntohl(blob.length);  in decrypt_blob()
227     if (blob.length < 0 || blob.length > length) {  in decrypt_blob()
231         memmove(&blob.value[blob.length], &blob.value[length], blob.info);  in decrypt_blob()
252     int length;  member
268     encode_key(&name[n], params[0].value, params[0].length);  in get()
274     send_message(blob.value, blob.length);  in get()
282     encode_key(&name[n], params[0].value, params[0].length);  in insert()
284     blob.length = params[1].length;  in insert()
285     memcpy(blob.value, params[1].value, params[1].length);  in insert()
293     encode_key(&name[n], params[0].value, params[0].length);  in delete()
301     encode_key(&name[n], params[0].value, params[0].length);  in exist()
319     n += encode_key(&name[n], params[0].value, params[0].length);  in saw()
324             params[0].length = decode_key(params[0].value, p, strlen(p));  in saw()
325             send_message(params[0].value, params[0].length);  in saw()
356 static void set_key(uint8_t *key, uint8_t *password, int length, uint8_t *salt)  in set_key()  argument
359         PKCS5_PBKDF2_HMAC_SHA1((char *)password, length, salt, SALT_SIZE,  in set_key()
362         PKCS5_PBKDF2_HMAC_SHA1((char *)password, length, (uint8_t *)"keystore",  in set_key()
387             int length = read(fd, &blob, sizeof(blob));  in password()  local
389             if (length > SALT_SIZE && blob.info == SALT_SIZE) {  in password()
390                 salt = (uint8_t *)&blob + length - SALT_SIZE;  in password()
394         set_key(key, params[0].value, params[0].length, salt);  in password()
400         if (response != NO_ERROR || blob.length != MASTER_KEY_SIZE) {  in password()
408         if (!salt && params[1].length == -1) {  in password()
413     if (params[1].length == -1) {  in password()
421         set_key(key, params[1].value, params[1].length, salt);  in password()
425         blob.length = MASTER_KEY_SIZE;  in password()
448     params[1].length = -1;  in unlock()
523         params[i].length = recv_message(params[i].value, action->lengths[i]);  in process()
524         if (params[i].length == -1) {  in process()