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-rw-r--r--SoftHSMv2/m4/acx_openssl_rfc5649.m451
1 files changed, 51 insertions, 0 deletions
diff --git a/SoftHSMv2/m4/acx_openssl_rfc5649.m4 b/SoftHSMv2/m4/acx_openssl_rfc5649.m4
new file mode 100644
index 0000000..c68a336
--- /dev/null
+++ b/SoftHSMv2/m4/acx_openssl_rfc5649.m4
@@ -0,0 +1,51 @@
+AC_DEFUN([ACX_OPENSSL_EVPAESWRAP],[
+ AC_MSG_CHECKING(OpenSSL EVP interface for AES key wrapping)
+
+ tmp_CPPFLAGS=$CPPFLAGS
+ tmp_LIBS=$LIBS
+
+ CPPFLAGS="$CPPFLAGS $CRYPTO_INCLUDES"
+ LIBS="$CRYPTO_LIBS $LIBS"
+
+ AC_LANG_PUSH([C])
+
+ AC_LINK_IFELSE([
+ AC_LANG_SOURCE([[
+ #include <openssl/evp.h>
+ int main()
+ {
+ EVP_aes_128_wrap();
+ return 1;
+ }
+ ]])
+ ],[
+ AC_MSG_RESULT([RFC 3394 is supported])
+ AC_DEFINE([HAVE_AES_KEY_WRAP], [1],
+ [Define if advanced AES key wrap without pad is supported in EVP interface])
+ ],[
+ AC_MSG_RESULT([RFC 3394 is not supported])
+ ])
+
+ AC_MSG_CHECKING(OpenSSL EVP interface for AES key wrapping with pad)
+ AC_LINK_IFELSE([
+ AC_LANG_SOURCE([[
+ #include <openssl/evp.h>
+ int main()
+ {
+ EVP_aes_128_wrap_pad();
+ return 1;
+ }
+ ]])
+ ],[
+ AC_MSG_RESULT([RFC 5649 is supported])
+ AC_DEFINE([HAVE_AES_KEY_WRAP_PAD], [1],
+ [Define if advanced AES key wrap with pad is supported in EVP interface])
+ ],[
+ AC_MSG_RESULT([RFC 5649 is not supported])
+ ])
+
+ AC_LANG_POP([C])
+
+ CPPFLAGS=$tmp_CPPFLAGS
+ LIBS=$tmp_LIBS
+])