Mercurial > hg > quicktun

comparison src/proto.nacl0.c @ 41:54d28a81ca99

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Small updates in preparation for stateful protocols
author Ivo Smits <Ivo@UCIS.nl>
date Thu, 16 May 2013 01:15:01 +0200
parents d9f5caa13898
children 5685fad38195
comparison
equal deleted inserted replaced
40:ed9581189d6b 41:54d28a81ca99
40 static int decode(struct qtsession* sess, char* enc, char* raw, int len) { 40 static int decode(struct qtsession* sess, char* enc, char* raw, int len) {
41 struct qt_proto_data_nacl0* d = (struct qt_proto_data_nacl0*)sess->protocol_data; 41 struct qt_proto_data_nacl0* d = (struct qt_proto_data_nacl0*)sess->protocol_data;
42 int i; 42 int i;
43 if (len < crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES) { 43 if (len < crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES) {
44 fprintf(stderr, "Short packet received: %d\n", len); 44 fprintf(stderr, "Short packet received: %d\n", len);
45 return 0; 45 return -1;
46 } 46 }
47 len -= crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES; 47 len -= crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES;
48 memset(enc, 0, crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES); 48 memset(enc, 0, crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES);
49 if (i = crypto_box_curve25519xsalsa20poly1305_open_afternm(raw, enc, len+crypto_box_curve25519xsalsa20poly1305_ZEROBYTES, d->cnonce, d->cbefore)) { 49 if (i = crypto_box_curve25519xsalsa20poly1305_open_afternm(raw, enc, len+crypto_box_curve25519xsalsa20poly1305_ZEROBYTES, d->cnonce, d->cbefore)) {
50 fprintf(stderr, "Decryption failed len=%d result=%d\n", len, i); 50 fprintf(stderr, "Decryption failed len=%d result=%d\n", len, i);
51 return 0; 51 return -1;
52 } 52 }
53 return len; 53 return len;
54 } 54 }
55 55
56 static int init(struct qtsession* sess) { 56 static int init(struct qtsession* sess) {