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- From 4607bbf78040789dee29266878ce109136b984ef Mon Sep 17 00:00:00 2001
- From: rakshasa <sundell.software@gmail.com>
- Date: Tue, 20 Dec 2016 19:51:02 +0900
- Subject: [PATCH] Added support for openssl 1.1.
-
- ---
- configure.ac | 4 ++++
- src/utils/diffie_hellman.cc | 36 ++++++++++++++++++++++++++++++++++--
- 2 files changed, 38 insertions(+), 2 deletions(-)
-
- diff --git a/configure.ac b/configure.ac
- index 65e34872..27e33570 100644
- --- a/configure.ac
- +++ b/configure.ac
- @@ -71,12 +71,15 @@ AC_ARG_ENABLE(openssl,
- [ --disable-openssl Don't use OpenSSL's SHA1 implementation.],
- [
- if test "$enableval" = "yes"; then
- +dnl move to scripts.
- PKG_CHECK_MODULES(OPENSSL, libcrypto,
- CXXFLAGS="$CXXFLAGS $OPENSSL_CFLAGS";
- LIBS="$LIBS $OPENSSL_LIBS")
-
- AC_DEFINE(USE_OPENSSL, 1, Using OpenSSL.)
- AC_DEFINE(USE_OPENSSL_SHA, 1, Using OpenSSL's SHA1 implementation.)
- + AC_CHECK_LIB([crypto], [DH_set0_pqg], [AC_DEFINE(USE_OPENSSL_1_1, 1, Using OpenSSL 1.1.)])
- +
- else
- AC_DEFINE(USE_NSS_SHA, 1, Using Mozilla's SHA1 implementation.)
- fi
- @@ -87,6 +90,7 @@ AC_ARG_ENABLE(openssl,
-
- AC_DEFINE(USE_OPENSSL, 1, Using OpenSSL.)
- AC_DEFINE(USE_OPENSSL_SHA, 1, Using OpenSSL's SHA1 implementation.)
- + AC_CHECK_LIB([crypto], [DH_set0_pqg], [AC_DEFINE(USE_OPENSSL_1_1, 1, Using OpenSSL 1.1.)])
- ]
- )
-
- diff --git a/src/utils/diffie_hellman.cc b/src/utils/diffie_hellman.cc
- index aa653d45..7ec13165 100644
- --- a/src/utils/diffie_hellman.cc
- +++ b/src/utils/diffie_hellman.cc
- @@ -54,11 +54,23 @@ DiffieHellman::DiffieHellman(const unsigned char *prime, int primeLength,
- m_secret(NULL), m_size(0) {
-
- #ifdef USE_OPENSSL
- +
- m_dh = DH_new();
- +
- +#ifdef USE_OPENSSL_1_1
- + BIGNUM * const dh_p = BN_bin2bn(prime, primeLength, NULL);
- + BIGNUM * const dh_g = BN_bin2bn(generator, generatorLength, NULL);
- +
- + if (dh_p == NULL || dh_g == NULL ||
- + !DH_set0_pqg(m_dh, dh_p, NULL, dh_g))
- + throw internal_error("Could not generate Diffie-Hellman parameters");
- +#else
- m_dh->p = BN_bin2bn(prime, primeLength, NULL);
- m_dh->g = BN_bin2bn(generator, generatorLength, NULL);
- +#endif
-
- DH_generate_key(m_dh);
- +
- #else
- throw internal_error("Compiled without encryption support.");
- #endif
- @@ -74,7 +86,19 @@ DiffieHellman::~DiffieHellman() {
- bool
- DiffieHellman::is_valid() const {
- #ifdef USE_OPENSSL
- + if (m_dh == NULL)
- + return false;
- +
- +#ifdef USE_OPENSSL_1_1
- + const BIGNUM *pub_key;
- +
- + DH_get0_key(m_dh, &pub_key, NULL);
- +
- + return pub_key != NULL;
- +#else
- return m_dh != NULL && m_dh->pub_key != NULL;
- +#endif
- +
- #else
- return false;
- #endif
- @@ -103,8 +127,16 @@ DiffieHellman::store_pub_key(unsigned char* dest, unsigned int length) {
- #ifdef USE_OPENSSL
- std::memset(dest, 0, length);
-
- - if ((int)length >= BN_num_bytes(m_dh->pub_key))
- - BN_bn2bin(m_dh->pub_key, dest + length - BN_num_bytes(m_dh->pub_key));
- + const BIGNUM *pub_key;
- +
- +#ifdef USE_OPENSSL_1_1
- + DH_get0_key(m_dh, &pub_key, NULL);
- +#else
- + pub_key = m_dh->pub_key;
- +#endif
- +
- + if ((int)length >= BN_num_bytes(pub_key))
- + BN_bn2bin(pub_key, dest + length - BN_num_bytes(pub_key));
- #endif
- }
-
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