From 1742ee4e5c77e85ea0aaf5a43cb735dd290d6464 Mon Sep 17 00:00:00 2001
From: Nick Parker <nparker@zetetic.net>
Date: Wed, 12 Jun 2013 12:15:13 -0500
Subject: [PATCH 1/2] Check defined for crypto impl flag & formatting

---
 src/crypto.h      | 4 ++--
 src/crypto_impl.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/crypto.h b/src/crypto.h
index f71f532..39924f7 100644
--- a/src/crypto.h
+++ b/src/crypto.h
@@ -36,8 +36,8 @@
 #define CRYPTO_H
 
 #if !defined (SQLCIPHER_CRYPTO_CC) \
-   && !defined(SQLCIPHER_CRYPTO_LIBTOMCRYPT) \
-   && !defined(SQLCIPHER_CRYPTO_OPENSSL)
+   && !defined (SQLCIPHER_CRYPTO_LIBTOMCRYPT) \
+   && !defined (SQLCIPHER_CRYPTO_OPENSSL)
 #define SQLCIPHER_CRYPTO_OPENSSL
 #endif
 
diff --git a/src/crypto_impl.c b/src/crypto_impl.c
index a58927c..0b2812d 100644
--- a/src/crypto_impl.c
+++ b/src/crypto_impl.c
@@ -95,10 +95,10 @@ void sqlcipher_activate() {
 #if defined (SQLCIPHER_CRYPTO_CC)
   extern int sqlcipher_cc_setup(sqlcipher_provider *p);
   sqlcipher_cc_setup(p);
-#elif SQLCIPHER_CRYPTO_LIBTOMCRYPT
+#elif defined (SQLCIPHER_CRYPTO_LIBTOMCRYPT)
   extern int sqlcipher_ltc_setup(sqlcipher_provider *p);
   sqlcipher_ltc_setup(p);
-#elif SQLCIPHER_CRYPTO_OPENSSL
+#elif defined (SQLCIPHER_CRYPTO_OPENSSL)
   extern int sqlcipher_openssl_setup(sqlcipher_provider *p);
   sqlcipher_openssl_setup(p);
 #else

From be057d3e5f84de8e728ca782898c8f659d6d9551 Mon Sep 17 00:00:00 2001
From: Nick Parker <nparker@zetetic.net>
Date: Wed, 12 Jun 2013 13:45:11 -0500
Subject: [PATCH 2/2] Adjusting the configure template for commoncrypto

---
 configure    | 49 +------------------------------------------------
 configure.ac |  4 +---
 2 files changed, 2 insertions(+), 51 deletions(-)

diff --git a/configure b/configure
index be758ce..41cc8c7 100755
--- a/configure
+++ b/configure
@@ -10665,57 +10665,10 @@ fi
 
 else
   if test "$crypto_lib" = "commoncrypto"; then
-    CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL -DSQLCIPHER_CRYPTO_CC"
+    CFLAGS+=" -DSQLCIPHER_CRYPTO_CC"
     BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL -DSQLCIPHER_CRYPTO_CC"
 	  { $as_echo "$as_me:${as_lineno-$LINENO}: result: commoncrypto" >&5
 $as_echo "commoncrypto" >&6; }
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for HMAC_Init_ex in -lcrypto" >&5
-$as_echo_n "checking for HMAC_Init_ex in -lcrypto... " >&6; }
-if ${ac_cv_lib_crypto_HMAC_Init_ex+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lcrypto  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char HMAC_Init_ex ();
-int
-main ()
-{
-return HMAC_Init_ex ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_crypto_HMAC_Init_ex=yes
-else
-  ac_cv_lib_crypto_HMAC_Init_ex=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypto_HMAC_Init_ex" >&5
-$as_echo "$ac_cv_lib_crypto_HMAC_Init_ex" >&6; }
-if test "x$ac_cv_lib_crypto_HMAC_Init_ex" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBCRYPTO 1
-_ACEOF
-
-  LIBS="-lcrypto $LIBS"
-
-else
-  as_fn_error $? "Library crypto not found. Install openssl!\"" "$LINENO" 5
-fi
-
   else
     CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL"
     BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL"
diff --git a/configure.ac b/configure.ac
index 737d652..de3d84c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -265,11 +265,9 @@ if test "$crypto_lib" = "libtomcrypt"; then
                AC_MSG_ERROR([Library crypto not found. Install libtomcrypt!"]))
 else
   if test "$crypto_lib" = "commoncrypto"; then
-    CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL -DSQLCIPHER_CRYPTO_CC"
+    CFLAGS+=" -DSQLCIPHER_CRYPTO_CC"
     BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL -DSQLCIPHER_CRYPTO_CC"
 	  AC_MSG_RESULT([commoncrypto])
-    AC_CHECK_LIB([crypto], [HMAC_Init_ex], ,
-                 AC_MSG_ERROR([Library crypto not found. Install openssl!"]))
   else
     CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL"
     BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL"