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Merge pull request #3811 from sigiesec/fix-libsodium-1-0-0

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Problem: curve_encoding_t build fails with old libsodium versions
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Doron Somech 2020-02-04 10:34:27 +01:00 committed by GitHub
commit 0a1fc44ed7
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1 changed files with 14 additions and 4 deletions
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18
src/curve_mechanism_base.cpp
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@ -35,6 +35,16 @@
#include "session_base.hpp"
#ifdef ZMQ_HAVE_CURVE
#ifdef ZMQ_USE_LIBSODIUM
// libsodium added crypto_box_easy_afternm and crypto_box_open_easy_afternm with
// https: //github.com/jedisct1/libsodium/commit/aaf5fbf2e53a33b18d8ea9bdf2c6f73d7acc8c3e
#if SODIUM_LIBRARY_VERSION_MAJOR > 7 \
|| (SODIUM_LIBRARY_VERSION_MAJOR == 7 && SODIUM_LIBRARY_VERSION_MINOR >= 4)
#define ZMQ_HAVE_CRYPTO_BOX_EASY_FNS 1
#endif
#endif
zmq::curve_mechanism_base_t::curve_mechanism_base_t (
session_base_t *session_,
const options_t &options_,
@ -127,7 +137,7 @@ int zmq::curve_encoding_t::encode (msg_t *msg_)
memcpy (message_nonce, _encode_nonce_prefix, nonce_prefix_len);
put_uint64 (message_nonce + nonce_prefix_len, get_and_inc_nonce ());
#ifdef ZMQ_USE_LIBSODIUM
#ifdef ZMQ_HAVE_CRYPTO_BOX_EASY_FNS
const size_t mlen = flags_len + msg_->size ();
std::vector<uint8_t> message_plaintext (mlen);
#else
@ -148,7 +158,7 @@ int zmq::curve_encoding_t::encode (msg_t *msg_)
if (msg_->size () > 0)
memcpy (&message_plaintext[flags_len], msg_->data (), msg_->size ());
#ifdef ZMQ_USE_LIBSODIUM
#ifdef ZMQ_HAVE_CRYPTO_BOX_EASY_FNS
msg_t msg_box;
int rc =
msg_box.init_size (message_header_len + mlen + crypto_box_MACBYTES);
@ -203,7 +213,7 @@ int zmq::curve_encoding_t::decode (msg_t *msg_, int *error_event_code_)
memcpy (message_nonce + nonce_prefix_len, message + message_command_len,
sizeof (nonce_t));
#ifdef ZMQ_USE_LIBSODIUM
#ifdef ZMQ_HAVE_CRYPTO_BOX_EASY_FNS
const size_t clen = msg_->size () - message_header_len;
uint8_t *const message_plaintext = message + message_header_len;
@ -234,7 +244,7 @@ int zmq::curve_encoding_t::decode (msg_t *msg_, int *error_event_code_)
if (rc == 0) {
const uint8_t flags = message_plaintext[0];
#ifdef ZMQ_USE_LIBSODIUM
#ifdef ZMQ_HAVE_CRYPTO_BOX_EASY_FNS
const size_t plaintext_size = clen - flags_len - crypto_box_MACBYTES;
if (plaintext_size > 0) {