* #27232: jni: added pjproject checkout as regular git content
We will remove it once the next release of pjsip (with Android support)
comes out and is merged into SFLphone.
diff --git a/jni/pjproject-android/.svn/pristine/4a/4ac10488e24ed83c9e03be9ae763be57afc1e089.svn-base b/jni/pjproject-android/.svn/pristine/4a/4ac10488e24ed83c9e03be9ae763be57afc1e089.svn-base
new file mode 100644
index 0000000..69350a4
--- /dev/null
+++ b/jni/pjproject-android/.svn/pristine/4a/4ac10488e24ed83c9e03be9ae763be57afc1e089.svn-base
@@ -0,0 +1,180 @@
+/*
+ * prng.c
+ *
+ * pseudorandom source
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright(c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include "prng.h"
+
+/* single, global prng structure */
+
+x917_prng_t x917_prng;
+
+err_status_t
+x917_prng_init(rand_source_func_t random_source) {
+ v128_t tmp_key;
+ err_status_t status;
+
+ /* initialize output count to zero */
+ x917_prng.octet_count = 0;
+
+ /* set random source */
+ x917_prng.rand = random_source;
+
+ /* initialize secret key from random source */
+ status = random_source((uint8_t *)&tmp_key, 16);
+ if (status)
+ return status;
+
+ /* expand aes key */
+ aes_expand_encryption_key(&tmp_key, x917_prng.key);
+
+ /* initialize prng state from random source */
+ status = x917_prng.rand((uint8_t *)&x917_prng.state, 16);
+ if (status)
+ return status;
+
+ return err_status_ok;
+}
+
+err_status_t
+x917_prng_get_octet_string(uint8_t *dest, uint32_t len) {
+ uint32_t t;
+ v128_t buffer;
+ uint32_t i, tail_len;
+ err_status_t status;
+
+ /*
+ * if we need to re-initialize the prng, do so now
+ *
+ * avoid overflows by subtracting instead of adding
+ */
+ if (x917_prng.octet_count > MAX_PRNG_OUT_LEN - len) {
+ status = x917_prng_init(x917_prng.rand);
+ if (status)
+ return status;
+ }
+ x917_prng.octet_count += len;
+
+ /* find out the time */
+ t = (uint32_t)time(NULL);
+
+ /* loop until we have output enough data */
+ for (i=0; i < len/16; i++) {
+
+ /* exor time into state */
+ x917_prng.state.v32[0] ^= t;
+
+ /* copy state into buffer */
+ v128_copy(&buffer, &x917_prng.state);
+
+ /* apply aes to buffer */
+ aes_encrypt(&buffer, x917_prng.key);
+
+ /* write data to output */
+ *dest++ = buffer.v8[0];
+ *dest++ = buffer.v8[1];
+ *dest++ = buffer.v8[2];
+ *dest++ = buffer.v8[3];
+ *dest++ = buffer.v8[4];
+ *dest++ = buffer.v8[5];
+ *dest++ = buffer.v8[6];
+ *dest++ = buffer.v8[7];
+ *dest++ = buffer.v8[8];
+ *dest++ = buffer.v8[9];
+ *dest++ = buffer.v8[10];
+ *dest++ = buffer.v8[11];
+ *dest++ = buffer.v8[12];
+ *dest++ = buffer.v8[13];
+ *dest++ = buffer.v8[14];
+ *dest++ = buffer.v8[15];
+
+ /* exor time into buffer */
+ buffer.v32[0] ^= t;
+
+ /* encrypt buffer */
+ aes_encrypt(&buffer, x917_prng.key);
+
+ /* copy buffer into state */
+ v128_copy(&x917_prng.state, &buffer);
+
+ }
+
+ /* if we need to output any more octets, we'll do so now */
+ tail_len = len % 16;
+ if (tail_len) {
+
+ /* exor time into state */
+ x917_prng.state.v32[0] ^= t;
+
+ /* copy value into buffer */
+ v128_copy(&buffer, &x917_prng.state);
+
+ /* apply aes to buffer */
+ aes_encrypt(&buffer, x917_prng.key);
+
+ /* write data to output */
+ for (i=0; i < tail_len; i++) {
+ *dest++ = buffer.v8[i];
+ }
+
+ /* now update the state one more time */
+
+ /* exor time into buffer */
+ buffer.v32[0] ^= t;
+
+ /* encrypt buffer */
+ aes_encrypt(&buffer, x917_prng.key);
+
+ /* copy buffer into state */
+ v128_copy(&x917_prng.state, &buffer);
+
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+x917_prng_deinit(void) {
+
+ return err_status_ok;
+}