commit 43e999eed16a78cb6d48f1dfd11b33dee4d80a1a
author Shawn Willden <swillden@google.com> Wed Aug 13 13:29:50 2014 -0600
committer Shawn Willden <swillden@google.com> Wed Aug 13 16:58:54 2014 -0600
tree 0b49a13550b1a1c2cc860973b949419a20d20bcc
parent 1615f2ecf2537db7b302eb9b5be4394f711fd815

Add RSA verification.

Change-Id: Ie9ac37dba7ead62b0ca17054bbf6d2744cea5946

google_keymaster_utils.cpp

diff --git a/google_keymaster_utils.cpp b/google_keymaster_utils.cpp
index bd44cfd..89e6968 100644
--- a/google_keymaster_utils.cpp
+++ b/google_keymaster_utils.cpp
@@ -71,4 +71,13 @@
     return true;
 }
 
+int memcmp_s(const void* p1, const void* p2, size_t length) {
+    const uint8_t* s1 = static_cast<const uint8_t*>(p1);
+    const uint8_t* s2 = static_cast<const uint8_t*>(p2);
+    uint8_t result = 0;
+    while (length-- > 0)
+        result |= *s1++ ^ *s2++;
+    return result == 0 ? 0 : 1;
+}
+
 }  // namespace keymaster