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-rw-r--r--src/libzrtpcpp/crypto/gcrypt/InitializeGcrypt.cpp130
-rw-r--r--src/libzrtpcpp/crypto/gcrypt/gcryptAesCFB.cpp77
-rw-r--r--src/libzrtpcpp/crypto/gcrypt/gcryptZrtpDH.cpp349
-rw-r--r--src/libzrtpcpp/crypto/gcrypt/gcrypthmac256.cpp68
-rw-r--r--src/libzrtpcpp/crypto/gcrypt/gcrypthmac384.cpp68
-rw-r--r--src/libzrtpcpp/crypto/gcrypt/gcryptsha256.cpp89
-rw-r--r--src/libzrtpcpp/crypto/gcrypt/gcryptsha384.cpp89
7 files changed, 870 insertions, 0 deletions
diff --git a/src/libzrtpcpp/crypto/gcrypt/InitializeGcrypt.cpp b/src/libzrtpcpp/crypto/gcrypt/InitializeGcrypt.cpp
new file mode 100644
index 0000000..1372578
--- /dev/null
+++ b/src/libzrtpcpp/crypto/gcrypt/InitializeGcrypt.cpp
@@ -0,0 +1,130 @@
+/*
+ Copyright (C) 2006-2007 Werner Dittmann
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+
+#include <malloc.h>
+#include <errno.h>
+#include <gcrypt.h>
+
+#include <libzrtpcpp-config.h>
+#ifdef HAVE_PTHREAD_H
+#include <pthread.h>
+#else
+#include <winbase.h>
+#endif
+
+static int initialized = 0;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef HAVE_PTHREAD_H
+static int gcry_thread_mutex_init (void **priv)
+{
+ int err = 0;
+ pthread_mutex_t *lock = (pthread_mutex_t *)malloc (sizeof (pthread_mutex_t));
+ if (!lock)
+ err = ENOMEM;
+ if (!err) {
+ err = pthread_mutex_init (lock, NULL);
+ if (err)
+ free (lock);
+ else
+ *priv = lock;
+ }
+ return err;
+}
+
+static int gcry_thread_mutex_destroy (void **lock)
+{
+ int err = pthread_mutex_destroy ((pthread_mutex_t *)*lock);
+ free (*lock); return err;
+}
+
+static int gcry_thread_mutex_lock (void **lock)
+{
+ return pthread_mutex_lock ((pthread_mutex_t *)*lock);
+}
+
+static int gcry_thread_mutex_unlock (void **lock)
+{
+ return pthread_mutex_unlock ((pthread_mutex_t *)*lock);
+}
+
+static struct gcry_thread_cbs gcry_threads = {
+ GCRY_THREAD_OPTION_PTHREAD, NULL,
+ gcry_thread_mutex_init, gcry_thread_mutex_destroy,
+ gcry_thread_mutex_lock, gcry_thread_mutex_unlock
+};
+
+#else
+static int gcry_thread_mutex_init (void **priv)
+{
+ int err = 0;
+ CRITICAL_SECTION *lock = (CRITICAL_SECTION *)malloc(sizeof(CRITICAL_SECTION));
+ if (!lock)
+ err = ENOMEM;
+ if (!err) {
+ InitializeCriticalSection(lock);
+ *priv = lock;
+ }
+ return err;
+}
+
+static int gcry_thread_mutex_destroy (void **lock)
+{
+ free(*lock);
+ return 0;
+}
+
+static int gcry_thread_mutex_lock (void **lock)
+{
+ EnterCriticalSection((CRITICAL_SECTION *)*lock);
+ return 0;
+}
+
+static int gcry_thread_mutex_unlock (void **lock)
+{
+ LeaveCriticalSection((CRITICAL_SECTION *)*lock);
+ return 0;
+}
+
+static struct gcry_thread_cbs gcry_threads = {
+ GCRY_THREAD_OPTION_PTHREAD, NULL,
+ gcry_thread_mutex_init, gcry_thread_mutex_destroy,
+ gcry_thread_mutex_lock, gcry_thread_mutex_unlock
+};
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+int initializeGcrypt ()
+{
+
+ if (initialized) {
+ return 1;
+ }
+ gcry_control(GCRYCTL_SET_THREAD_CBS, &gcry_threads);
+ gcry_check_version(NULL);
+ gcry_control(GCRYCTL_DISABLE_SECMEM);
+ initialized = 1;
+ return 1;
+}
diff --git a/src/libzrtpcpp/crypto/gcrypt/gcryptAesCFB.cpp b/src/libzrtpcpp/crypto/gcrypt/gcryptAesCFB.cpp
new file mode 100644
index 0000000..3673619
--- /dev/null
+++ b/src/libzrtpcpp/crypto/gcrypt/gcryptAesCFB.cpp
@@ -0,0 +1,77 @@
+/*
+ Copyright (C) 2006-2007 Werner Dittmann
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/** Copyright (C) 2006, 2007
+ *
+ * @author Werner Dittmann <Werner.Dittmann@t-online.de>
+ */
+
+#include <gcrypt.h>
+#include <libzrtpcpp/crypto/aesCFB.h>
+
+
+extern void initializeGcrypt();
+
+void aesCfbEncrypt(uint8_t* key, int32_t keyLength, uint8_t* IV, uint8_t *data,
+ int32_t dataLength)
+{
+ gcry_error_t err = 0;
+ int algo;
+
+ initializeGcrypt();
+
+ if (keyLength == 16) {
+ algo = GCRY_CIPHER_AES;
+ }
+ else if (keyLength == 32) {
+ algo = GCRY_CIPHER_AES256;
+ }
+ else {
+ return;
+ }
+ gcry_cipher_hd_t tmp;
+ err = gcry_cipher_open(&tmp, algo, GCRY_CIPHER_MODE_CFB, 0);
+ err = gcry_cipher_setkey(tmp, key, keyLength);
+ err = gcry_cipher_setiv (tmp, IV, AES_BLOCK_SIZE);
+ err = gcry_cipher_encrypt (tmp, data, dataLength, data, dataLength);
+ gcry_cipher_close(tmp);
+}
+
+void aesCfbDecrypt(uint8_t* key, int32_t keyLength, const uint8_t* IV, uint8_t *data,
+ int32_t dataLength)
+{
+ gcry_error_t err = 0;
+ int algo;
+
+ initializeGcrypt();
+
+ if (keyLength == 16) {
+ algo = GCRY_CIPHER_AES;
+ }
+ else if (keyLength == 32) {
+ algo = GCRY_CIPHER_AES256;
+ }
+ else {
+ return;
+ }
+ gcry_cipher_hd_t tmp;
+ err = gcry_cipher_open(&tmp, algo, GCRY_CIPHER_MODE_CFB, 0);
+ err = gcry_cipher_setkey(tmp, key, keyLength);
+ err = gcry_cipher_setiv (tmp, IV, AES_BLOCK_SIZE);
+ err = gcry_cipher_decrypt (tmp, data, dataLength, data, dataLength);
+ gcry_cipher_close(tmp);
+}
diff --git a/src/libzrtpcpp/crypto/gcrypt/gcryptZrtpDH.cpp b/src/libzrtpcpp/crypto/gcrypt/gcryptZrtpDH.cpp
new file mode 100644
index 0000000..1aba680
--- /dev/null
+++ b/src/libzrtpcpp/crypto/gcrypt/gcryptZrtpDH.cpp
@@ -0,0 +1,349 @@
+/*
+ Copyright (C) 2006, 2009 Werner Dittmann
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/** Copyright (C) 2006, 2009
+ *
+ * @author Werner Dittmann <Werner.Dittmann@t-online.de>
+ */
+
+#include <gcrypt.h>
+#include <libzrtpcpp/crypto/ZrtpDH.h>
+#include <libzrtpcpp/ZrtpTextData.h>
+#include <sstream>
+
+struct gcryptCtx {
+ gcry_mpi_t privKey;
+ gcry_mpi_t pubKey;
+// int32_t pLength;
+};
+
+extern void initializeGcrypt();
+
+static gcry_mpi_t bnP2048 = NULL;
+static gcry_mpi_t bnP3072 = NULL;
+// static gcry_mpi_t bnP4096 = NULL;
+static gcry_mpi_t two = NULL;
+static gcry_mpi_t bnP2048MinusOne = NULL;
+static gcry_mpi_t bnP3072MinusOne = NULL;
+// static gcry_mpi_t bnP4096MinusOne = NULL;
+
+static uint8_t dhinit = 0;
+
+void randomZRTP(uint8_t *buf, int32_t length) {
+ initializeGcrypt();
+ gcry_randomize(buf, length, GCRY_STRONG_RANDOM);
+}
+
+static const uint8_t P2048[] =
+{
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC9, 0x0F, 0xDA, 0xA2,
+ 0x21, 0x68, 0xC2, 0x34, 0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
+ 0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74, 0x02, 0x0B, 0xBE, 0xA6,
+ 0x3B, 0x13, 0x9B, 0x22, 0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
+ 0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B, 0x30, 0x2B, 0x0A, 0x6D,
+ 0xF2, 0x5F, 0x14, 0x37, 0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
+ 0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6, 0xF4, 0x4C, 0x42, 0xE9,
+ 0xA6, 0x37, 0xED, 0x6B, 0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
+ 0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5, 0xAE, 0x9F, 0x24, 0x11,
+ 0x7C, 0x4B, 0x1F, 0xE6, 0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
+ 0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05, 0x98, 0xDA, 0x48, 0x36,
+ 0x1C, 0x55, 0xD3, 0x9A, 0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
+ 0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96, 0x1C, 0x62, 0xF3, 0x56,
+ 0x20, 0x85, 0x52, 0xBB, 0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
+ 0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04, 0xF1, 0x74, 0x6C, 0x08,
+ 0xCA, 0x18, 0x21, 0x7C, 0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B,
+ 0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03, 0x9B, 0x27, 0x83, 0xA2,
+ 0xEC, 0x07, 0xA2, 0x8F, 0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9,
+ 0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18, 0x39, 0x95, 0x49, 0x7C,
+ 0xEA, 0x95, 0x6A, 0xE5, 0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10,
+ 0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAC, 0xAA, 0x68, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF
+};
+
+static const uint8_t P3072[] =
+ {
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC9, 0x0F, 0xDA, 0xA2,
+ 0x21, 0x68, 0xC2, 0x34, 0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
+ 0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74, 0x02, 0x0B, 0xBE, 0xA6,
+ 0x3B, 0x13, 0x9B, 0x22, 0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
+ 0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B, 0x30, 0x2B, 0x0A, 0x6D,
+ 0xF2, 0x5F, 0x14, 0x37, 0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
+ 0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6, 0xF4, 0x4C, 0x42, 0xE9,
+ 0xA6, 0x37, 0xED, 0x6B, 0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
+ 0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5, 0xAE, 0x9F, 0x24, 0x11,
+ 0x7C, 0x4B, 0x1F, 0xE6, 0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
+ 0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05, 0x98, 0xDA, 0x48, 0x36,
+ 0x1C, 0x55, 0xD3, 0x9A, 0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
+ 0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96, 0x1C, 0x62, 0xF3, 0x56,
+ 0x20, 0x85, 0x52, 0xBB, 0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
+ 0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04, 0xF1, 0x74, 0x6C, 0x08,
+ 0xCA, 0x18, 0x21, 0x7C, 0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B,
+ 0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03, 0x9B, 0x27, 0x83, 0xA2,
+ 0xEC, 0x07, 0xA2, 0x8F, 0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9,
+ 0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18, 0x39, 0x95, 0x49, 0x7C,
+ 0xEA, 0x95, 0x6A, 0xE5, 0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10,
+ 0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAA, 0xC4, 0x2D, 0xAD, 0x33, 0x17, 0x0D,
+ 0x04, 0x50, 0x7A, 0x33, 0xA8, 0x55, 0x21, 0xAB, 0xDF, 0x1C, 0xBA, 0x64,
+ 0xEC, 0xFB, 0x85, 0x04, 0x58, 0xDB, 0xEF, 0x0A, 0x8A, 0xEA, 0x71, 0x57,
+ 0x5D, 0x06, 0x0C, 0x7D, 0xB3, 0x97, 0x0F, 0x85, 0xA6, 0xE1, 0xE4, 0xC7,
+ 0xAB, 0xF5, 0xAE, 0x8C, 0xDB, 0x09, 0x33, 0xD7, 0x1E, 0x8C, 0x94, 0xE0,
+ 0x4A, 0x25, 0x61, 0x9D, 0xCE, 0xE3, 0xD2, 0x26, 0x1A, 0xD2, 0xEE, 0x6B,
+ 0xF1, 0x2F, 0xFA, 0x06, 0xD9, 0x8A, 0x08, 0x64, 0xD8, 0x76, 0x02, 0x73,
+ 0x3E, 0xC8, 0x6A, 0x64, 0x52, 0x1F, 0x2B, 0x18, 0x17, 0x7B, 0x20, 0x0C,
+ 0xBB, 0xE1, 0x17, 0x57, 0x7A, 0x61, 0x5D, 0x6C, 0x77, 0x09, 0x88, 0xC0,
+ 0xBA, 0xD9, 0x46, 0xE2, 0x08, 0xE2, 0x4F, 0xA0, 0x74, 0xE5, 0xAB, 0x31,
+ 0x43, 0xDB, 0x5B, 0xFC, 0xE0, 0xFD, 0x10, 0x8E, 0x4B, 0x82, 0xD1, 0x20,
+ 0xA9, 0x3A, 0xD2, 0xCA, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+ };
+
+ /* *************
+static const uint8_t P4096[] =
+{
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC9, 0x0F, 0xDA, 0xA2,
+ 0x21, 0x68, 0xC2, 0x34, 0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
+ 0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74, 0x02, 0x0B, 0xBE, 0xA6,
+ 0x3B, 0x13, 0x9B, 0x22, 0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
+ 0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B, 0x30, 0x2B, 0x0A, 0x6D,
+ 0xF2, 0x5F, 0x14, 0x37, 0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
+ 0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6, 0xF4, 0x4C, 0x42, 0xE9,
+ 0xA6, 0x37, 0xED, 0x6B, 0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
+ 0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5, 0xAE, 0x9F, 0x24, 0x11,
+ 0x7C, 0x4B, 0x1F, 0xE6, 0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
+ 0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05, 0x98, 0xDA, 0x48, 0x36,
+ 0x1C, 0x55, 0xD3, 0x9A, 0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
+ 0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96, 0x1C, 0x62, 0xF3, 0x56,
+ 0x20, 0x85, 0x52, 0xBB, 0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
+ 0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04, 0xF1, 0x74, 0x6C, 0x08,
+ 0xCA, 0x18, 0x21, 0x7C, 0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B,
+ 0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03, 0x9B, 0x27, 0x83, 0xA2,
+ 0xEC, 0x07, 0xA2, 0x8F, 0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9,
+ 0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18, 0x39, 0x95, 0x49, 0x7C,
+ 0xEA, 0x95, 0x6A, 0xE5, 0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10,
+ 0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAA, 0xC4, 0x2D, 0xAD, 0x33, 0x17, 0x0D,
+ 0x04, 0x50, 0x7A, 0x33, 0xA8, 0x55, 0x21, 0xAB, 0xDF, 0x1C, 0xBA, 0x64,
+ 0xEC, 0xFB, 0x85, 0x04, 0x58, 0xDB, 0xEF, 0x0A, 0x8A, 0xEA, 0x71, 0x57,
+ 0x5D, 0x06, 0x0C, 0x7D, 0xB3, 0x97, 0x0F, 0x85, 0xA6, 0xE1, 0xE4, 0xC7,
+ 0xAB, 0xF5, 0xAE, 0x8C, 0xDB, 0x09, 0x33, 0xD7, 0x1E, 0x8C, 0x94, 0xE0,
+ 0x4A, 0x25, 0x61, 0x9D, 0xCE, 0xE3, 0xD2, 0x26, 0x1A, 0xD2, 0xEE, 0x6B,
+ 0xF1, 0x2F, 0xFA, 0x06, 0xD9, 0x8A, 0x08, 0x64, 0xD8, 0x76, 0x02, 0x73,
+ 0x3E, 0xC8, 0x6A, 0x64, 0x52, 0x1F, 0x2B, 0x18, 0x17, 0x7B, 0x20, 0x0C,
+ 0xBB, 0xE1, 0x17, 0x57, 0x7A, 0x61, 0x5D, 0x6C, 0x77, 0x09, 0x88, 0xC0,
+ 0xBA, 0xD9, 0x46, 0xE2, 0x08, 0xE2, 0x4F, 0xA0, 0x74, 0xE5, 0xAB, 0x31,
+ 0x43, 0xDB, 0x5B, 0xFC, 0xE0, 0xFD, 0x10, 0x8E, 0x4B, 0x82, 0xD1, 0x20,
+ 0xA9, 0x21, 0x08, 0x01, 0x1A, 0x72, 0x3C, 0x12, 0xA7, 0x87, 0xE6, 0xD7,
+ 0x88, 0x71, 0x9A, 0x10, 0xBD, 0xBA, 0x5B, 0x26, 0x99, 0xC3, 0x27, 0x18,
+ 0x6A, 0xF4, 0xE2, 0x3C, 0x1A, 0x94, 0x68, 0x34, 0xB6, 0x15, 0x0B, 0xDA,
+ 0x25, 0x83, 0xE9, 0xCA, 0x2A, 0xD4, 0x4C, 0xE8, 0xDB, 0xBB, 0xC2, 0xDB,
+ 0x04, 0xDE, 0x8E, 0xF9, 0x2E, 0x8E, 0xFC, 0x14, 0x1F, 0xBE, 0xCA, 0xA6,
+ 0x28, 0x7C, 0x59, 0x47, 0x4E, 0x6B, 0xC0, 0x5D, 0x99, 0xB2, 0x96, 0x4F,
+ 0xA0, 0x90, 0xC3, 0xA2, 0x23, 0x3B, 0xA1, 0x86, 0x51, 0x5B, 0xE7, 0xED,
+ 0x1F, 0x61, 0x29, 0x70, 0xCE, 0xE2, 0xD7, 0xAF, 0xB8, 0x1B, 0xDD, 0x76,
+ 0x21, 0x70, 0x48, 0x1C, 0xD0, 0x06, 0x91, 0x27, 0xD5, 0xB0, 0x5A, 0xA9,
+ 0x93, 0xB4, 0xEA, 0x98, 0x8D, 0x8F, 0xDD, 0xC1, 0x86, 0xFF, 0xB7, 0xDC,
+ 0x90, 0xA6, 0xC0, 0x8F, 0x4D, 0xF4, 0x35, 0xC9, 0x34, 0x06, 0x31, 0x99,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+};
+ *************** */
+#define DH3K 1
+#define DH2K 0
+ZrtpDH::ZrtpDH(const char* type){
+
+ // Well - the algo type is only 4 char thus cast to int32 and compare
+ if (*(int32_t*)type == *(int32_t*)dh2k) {
+ pkType = DH2K;
+ }
+ else if (*(int32_t*)type == *(int32_t*)dh3k) {
+ pkType = DH3K;
+ }
+ else {
+ fprintf(stderr, "Unknown pubkey algo: %d\n", pkType);
+ }
+ ctx = static_cast<void*>(new gcryptCtx);
+ gcryptCtx* tmpCtx = static_cast<gcryptCtx*>(ctx);
+ tmpCtx->privKey = NULL;
+ tmpCtx->pubKey = NULL;
+
+ initializeGcrypt();
+
+ if (!dhinit) {
+ gcry_mpi_scan(&bnP2048, GCRYMPI_FMT_USG, P2048, sizeof(P2048), NULL);
+ gcry_mpi_scan(&bnP3072, GCRYMPI_FMT_USG, P3072, sizeof(P3072), NULL);
+// gcry_mpi_scan(&bnP4096, GCRYMPI_FMT_USG, P4096, sizeof(P4096), NULL);
+ two = gcry_mpi_set_ui(NULL, 2);
+
+ bnP2048MinusOne = gcry_mpi_new(sizeof(P2048)*8);
+ gcry_mpi_sub_ui(bnP2048MinusOne, bnP2048, 1);
+
+ bnP3072MinusOne = gcry_mpi_new(sizeof(P3072)*8);
+ gcry_mpi_sub_ui(bnP3072MinusOne, bnP3072, 1);
+
+// bnP4096MinusOne = gcry_mpi_new(sizeof(P4096)*8);
+// gcry_mpi_sub_ui(bnP4096MinusOne, bnP4096, 1);
+ dhinit = 1;
+ }
+
+ if (pkType == DH3K) {
+ tmpCtx->privKey = gcry_mpi_new(256);
+ gcry_mpi_randomize(tmpCtx->privKey, 256, GCRY_STRONG_RANDOM);
+ }
+ else if (pkType == DH2K) {
+ tmpCtx->privKey = gcry_mpi_new(512);
+ gcry_mpi_randomize(tmpCtx->privKey, 512, GCRY_STRONG_RANDOM);
+ }
+// else {
+// tmpCtx->privKey = gcry_mpi_new(512);
+// gcry_mpi_randomize(tmpCtx->privKey, 512, GCRY_STRONG_RANDOM);
+// }
+}
+
+ZrtpDH::~ZrtpDH() {
+ gcryptCtx* tmpCtx = static_cast<gcryptCtx*>(ctx);
+
+ if (tmpCtx != NULL) {
+ gcry_mpi_release(tmpCtx->privKey);
+ tmpCtx->privKey = NULL;
+ gcry_mpi_release(tmpCtx->pubKey);
+ tmpCtx->pubKey = NULL;
+ delete tmpCtx;
+ ctx = NULL;
+ }
+}
+
+int32_t ZrtpDH::computeSecretKey(uint8_t *pubKeyBytes, uint8_t *secret) {
+
+ int32_t length = getDhSize();
+ gcryptCtx* tmpCtx = static_cast<gcryptCtx*>(ctx);
+
+ gcry_mpi_t pubKeyOther;
+ gcry_mpi_t sec = gcry_mpi_new(0);
+ gcry_mpi_scan(&pubKeyOther, GCRYMPI_FMT_USG, pubKeyBytes, length, NULL);
+
+ if (pkType == DH2K) {
+ gcry_mpi_powm(sec, pubKeyOther, tmpCtx->privKey, bnP2048);
+ }
+ else if (pkType == DH3K) {
+ gcry_mpi_powm(sec, pubKeyOther, tmpCtx->privKey, bnP3072);
+ }
+ else {
+// gcry_mpi_powm(sec, pubKeyOther, tmpCtx->privKey, bnP4096);
+ return 0;
+ }
+ gcry_mpi_release(pubKeyOther);
+
+ size_t result;
+ gcry_mpi_print(GCRYMPI_FMT_USG, secret, length, &result, sec);
+ gcry_mpi_release(sec);
+
+ return result;
+}
+
+int32_t ZrtpDH::generatePublicKey()
+{
+ gcryptCtx* tmpCtx = static_cast<gcryptCtx*>(ctx);
+
+ tmpCtx->pubKey = gcry_mpi_new(0);
+ if (pkType == DH2K) {
+ gcry_mpi_powm(tmpCtx->pubKey, two, tmpCtx->privKey, bnP2048);
+ }
+ else if (pkType == DH3K) {
+ gcry_mpi_powm(tmpCtx->pubKey, two, tmpCtx->privKey, bnP3072);
+ }
+ else {
+// gcry_mpi_powm(tmpCtx->pubKey, two, tmpCtx->privKey, bnP4096);
+ return 0;
+ }
+ return 1;
+}
+
+int32_t ZrtpDH::getPubKeyBytes(uint8_t *buf) const
+{
+ gcryptCtx* tmpCtx = static_cast<gcryptCtx*>(ctx);
+ int32_t len = getPubKeySize();
+
+ // get length of Dh in bytes, prepend buffer with zeros if necessary
+ int32_t prepend = getDhSize() - getPubKeySize();
+ if (prepend > 0) {
+ memset(buf, 0, prepend);
+ }
+ size_t i = 0;
+ gcry_mpi_print(GCRYMPI_FMT_USG, buf + prepend, len, &i, tmpCtx->pubKey);
+ return i;
+}
+
+int32_t ZrtpDH::getDhSize() const
+{
+ switch (pkType) {
+ case DH2K:
+ return 2048/8;
+ break;
+ case DH3K:
+ return 3072/8;
+ break;
+ }
+ return 0;
+}
+
+int32_t ZrtpDH::getPubKeySize() const
+{
+ return ((gcry_mpi_get_nbits(static_cast<gcryptCtx*>(ctx)->pubKey) + 7) / 8);
+}
+
+int32_t ZrtpDH::checkPubKey(uint8_t *pubKeyBytes) const
+{
+ gcry_mpi_t pubKeyOther = NULL;
+ gcry_mpi_scan(&pubKeyOther, GCRYMPI_FMT_USG, pubKeyBytes, getDhSize(), NULL);
+
+ if (pkType == DH2K) {
+ if (gcry_mpi_cmp(bnP2048MinusOne, pubKeyOther) == 0)
+ return 0;
+ }
+ else if (pkType == DH3K) {
+ if (gcry_mpi_cmp(bnP3072MinusOne, pubKeyOther) == 0)
+ return 0;
+ }
+ else {
+// if (gcry_mpi_cmp(bnP4096MinusOne, pubKeyOther) == 0)
+ return 0;
+ }
+ if (gcry_mpi_cmp_ui(pubKeyOther, 1) == 0) {
+ return 0;
+ }
+
+ gcry_mpi_release(pubKeyOther);
+ return 1;
+}
+
+const char* ZrtpDH::getDHtype()
+{
+ switch (pkType) {
+ case DH2K:
+ return dh2k;
+ break;
+ case DH3K:
+ return dh3k;
+ break;
+ }
+ return NULL;
+}
+
+/** EMACS **
+ * Local variables:
+ * mode: c++
+ * c-default-style: ellemtel
+ * c-basic-offset: 4
+ * End:
+ */
diff --git a/src/libzrtpcpp/crypto/gcrypt/gcrypthmac256.cpp b/src/libzrtpcpp/crypto/gcrypt/gcrypthmac256.cpp
new file mode 100644
index 0000000..3a44504
--- /dev/null
+++ b/src/libzrtpcpp/crypto/gcrypt/gcrypthmac256.cpp
@@ -0,0 +1,68 @@
+/*
+ Copyright (C) 2006-2007 Werner Dittmann
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * Authors: Erik Eliasson <eliasson@it.kth.se>
+ * Johan Bilien <jobi@via.ecp.fr>
+ */
+
+#include <gcrypt.h>
+#include <libzrtpcpp/crypto/hmac256.h>
+
+void hmac_sha256(uint8_t* key, uint32_t keyLength,
+ uint8_t* data, int32_t dataLength,
+ uint8_t* mac, uint32_t* macLength)
+{
+ gcry_md_hd_t hd;
+ gcry_error_t err = 0;
+
+ err = gcry_md_open(&hd, GCRY_MD_SHA256, GCRY_MD_FLAG_HMAC);
+ gcry_md_setkey(hd, key, keyLength);
+
+ gcry_md_write (hd, data, dataLength);
+
+ uint8_t* p = gcry_md_read (hd, GCRY_MD_SHA256);
+ memcpy(mac, p, SHA256_DIGEST_LENGTH);
+ if (macLength != NULL) {
+ *macLength = SHA256_DIGEST_LENGTH;
+ }
+ gcry_md_close (hd);
+}
+
+void hmac_sha256( uint8_t* key, uint32_t keyLength,
+ uint8_t* dataChunks[],
+ uint32_t dataChunkLength[],
+ uint8_t* mac, uint32_t* macLength )
+{
+ gcry_md_hd_t hd;
+ gcry_error_t err = 0;
+
+ err = gcry_md_open(&hd, GCRY_MD_SHA256, GCRY_MD_FLAG_HMAC);
+ gcry_md_setkey(hd, key, keyLength);
+
+ while (*dataChunks) {
+ gcry_md_write (hd, *dataChunks, (uint32_t)(*dataChunkLength));
+ dataChunks++;
+ dataChunkLength++;
+ }
+ uint8_t* p = gcry_md_read (hd, GCRY_MD_SHA256);
+ memcpy(mac, p, SHA256_DIGEST_LENGTH);
+ if (macLength != NULL) {
+ *macLength = SHA256_DIGEST_LENGTH;
+ }
+ gcry_md_close (hd);
+}
diff --git a/src/libzrtpcpp/crypto/gcrypt/gcrypthmac384.cpp b/src/libzrtpcpp/crypto/gcrypt/gcrypthmac384.cpp
new file mode 100644
index 0000000..c48813c
--- /dev/null
+++ b/src/libzrtpcpp/crypto/gcrypt/gcrypthmac384.cpp
@@ -0,0 +1,68 @@
+/*
+ Copyright (C) 2006-2009 Werner Dittmann
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * Authors: Erik Eliasson <eliasson@it.kth.se>
+ * Johan Bilien <jobi@via.ecp.fr>
+ */
+
+#include <gcrypt.h>
+#include <libzrtpcpp/crypto/hmac384.h>
+
+void hmac_sha384(uint8_t* key, uint32_t keyLength,
+ uint8_t* data, int32_t dataLength,
+ uint8_t* mac, uint32_t* macLength)
+{
+ gcry_md_hd_t hd;
+ gcry_error_t err = 0;
+
+ err = gcry_md_open(&hd, GCRY_MD_SHA384, GCRY_MD_FLAG_HMAC);
+ gcry_md_setkey(hd, key, keyLength);
+
+ gcry_md_write (hd, data, dataLength);
+
+ uint8_t* p = gcry_md_read (hd, GCRY_MD_SHA384);
+ memcpy(mac, p, SHA384_DIGEST_LENGTH);
+ if (macLength != NULL) {
+ *macLength = SHA384_DIGEST_LENGTH;
+ }
+ gcry_md_close (hd);
+}
+
+void hmac_sha384( uint8_t* key, uint32_t keyLength,
+ uint8_t* dataChunks[],
+ uint32_t dataChunkLength[],
+ uint8_t* mac, uint32_t* macLength )
+{
+ gcry_md_hd_t hd;
+ gcry_error_t err = 0;
+
+ err = gcry_md_open(&hd, GCRY_MD_SHA384, GCRY_MD_FLAG_HMAC);
+ gcry_md_setkey(hd, key, keyLength);
+
+ while (*dataChunks) {
+ gcry_md_write (hd, *dataChunks, (uint32_t)(*dataChunkLength));
+ dataChunks++;
+ dataChunkLength++;
+ }
+ uint8_t* p = gcry_md_read (hd, GCRY_MD_SHA384);
+ memcpy(mac, p, SHA384_DIGEST_LENGTH);
+ if (macLength != NULL) {
+ *macLength = SHA384_DIGEST_LENGTH;
+ }
+ gcry_md_close (hd);
+}
diff --git a/src/libzrtpcpp/crypto/gcrypt/gcryptsha256.cpp b/src/libzrtpcpp/crypto/gcrypt/gcryptsha256.cpp
new file mode 100644
index 0000000..0c32bd8
--- /dev/null
+++ b/src/libzrtpcpp/crypto/gcrypt/gcryptsha256.cpp
@@ -0,0 +1,89 @@
+/*
+ Copyright (C) 2006-2007 Werner Dittmann
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @author Erik Eliasson <eliasson@it.kth.se>
+ * Johan Bilien <jobi@via.ecp.fr>
+ * Werner Dittmann <Werner.Dittmann@t-online.de>
+ */
+
+#include <gcrypt.h>
+#include <libzrtpcpp/crypto/sha256.h>
+
+void sha256(unsigned char* data, unsigned int dataLength,
+ unsigned char* mac)
+{
+ gcry_md_hash_buffer(GCRY_MD_SHA256, mac, data, dataLength);
+}
+
+void sha256(unsigned char* dataChunks[],
+ unsigned int dataChunkLength[],
+ unsigned char* mac)
+{
+ gcry_md_hd_t hd;
+ gcry_error_t err = 0;
+
+ err = gcry_md_open(&hd, GCRY_MD_SHA256, 0);
+ while (*dataChunks) {
+ gcry_md_write (hd, *dataChunks, (uint32_t)(*dataChunkLength));
+ dataChunks++;
+ dataChunkLength++;
+ }
+ uint8_t* p = gcry_md_read (hd, GCRY_MD_SHA256);
+ memcpy(mac, p, SHA256_DIGEST_LENGTH);
+ gcry_md_close (hd);
+}
+
+void* createSha256Context()
+{
+ gcry_error_t err = 0;
+ gcry_md_hd_t hd;
+
+ err = gcry_md_open(&hd, GCRY_MD_SHA256, 0);
+ return (void*)hd;
+}
+
+void closeSha256Context(void* ctx, unsigned char* digest)
+{
+ gcry_md_hd_t hd = (gcry_md_hd_t)ctx;
+
+ if (digest != NULL) {
+ uint8_t* p = gcry_md_read (hd, GCRY_MD_SHA256);
+ memcpy(digest, p, SHA256_DIGEST_LENGTH);
+ }
+ gcry_md_close (hd);
+}
+
+void sha256Ctx(void* ctx, unsigned char* data,
+ unsigned int dataLength)
+{
+ gcry_md_hd_t hd = (gcry_md_hd_t)ctx;
+
+ gcry_md_write (hd, data, dataLength);
+}
+
+void sha256Ctx(void* ctx, unsigned char* dataChunks[],
+ unsigned int dataChunkLength[])
+{
+ gcry_md_hd_t hd = (gcry_md_hd_t)ctx;
+
+ while (*dataChunks) {
+ gcry_md_write (hd, *dataChunks, (uint32_t)(*dataChunkLength));
+ dataChunks++;
+ dataChunkLength++;
+ }
+}
diff --git a/src/libzrtpcpp/crypto/gcrypt/gcryptsha384.cpp b/src/libzrtpcpp/crypto/gcrypt/gcryptsha384.cpp
new file mode 100644
index 0000000..19c8c5b
--- /dev/null
+++ b/src/libzrtpcpp/crypto/gcrypt/gcryptsha384.cpp
@@ -0,0 +1,89 @@
+/*
+ Copyright (C) 2006-2007 Werner Dittmann
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @author Erik Eliasson <eliasson@it.kth.se>
+ * Johan Bilien <jobi@via.ecp.fr>
+ * Werner Dittmann <Werner.Dittmann@t-online.de>
+ */
+
+#include <gcrypt.h>
+#include <libzrtpcpp/crypto/sha384.h>
+
+void sha384(unsigned char* data, unsigned int dataLength,
+ unsigned char* mac)
+{
+ gcry_md_hash_buffer(GCRY_MD_SHA384, mac, data, dataLength);
+}
+
+void sha384(unsigned char* dataChunks[],
+ unsigned int dataChunkLength[],
+ unsigned char* mac)
+{
+ gcry_md_hd_t hd;
+ gcry_error_t err = 0;
+
+ err = gcry_md_open(&hd, GCRY_MD_SHA384, 0);
+ while (*dataChunks) {
+ gcry_md_write (hd, *dataChunks, (uint32_t)(*dataChunkLength));
+ dataChunks++;
+ dataChunkLength++;
+ }
+ uint8_t* p = gcry_md_read (hd, GCRY_MD_SHA384);
+ memcpy(mac, p, SHA384_DIGEST_LENGTH);
+ gcry_md_close (hd);
+}
+
+void* createSha384Context()
+{
+ gcry_error_t err = 0;
+ gcry_md_hd_t hd;
+
+ err = gcry_md_open(&hd, GCRY_MD_SHA384, 0);
+ return (void*)hd;
+}
+
+void closeSha384Context(void* ctx, unsigned char* digest)
+{
+ gcry_md_hd_t hd = (gcry_md_hd_t)ctx;
+
+ if (digest != NULL) {
+ uint8_t* p = gcry_md_read (hd, GCRY_MD_SHA384);
+ memcpy(digest, p, SHA384_DIGEST_LENGTH);
+ }
+ gcry_md_close (hd);
+}
+
+void sha384Ctx(void* ctx, unsigned char* data,
+ unsigned int dataLength)
+{
+ gcry_md_hd_t hd = (gcry_md_hd_t)ctx;
+
+ gcry_md_write (hd, data, dataLength);
+}
+
+void sha384Ctx(void* ctx, unsigned char* dataChunks[],
+ unsigned int dataChunkLength[])
+{
+ gcry_md_hd_t hd = (gcry_md_hd_t)ctx;
+
+ while (*dataChunks) {
+ gcry_md_write (hd, *dataChunks, (uint32_t)(*dataChunkLength));
+ dataChunks++;
+ dataChunkLength++;
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-16 21:32:51 +0000