crypto/hkdf_sha256: new module.

[ccan] / ccan / crypto / hkdf_sha256 / _info

diff --git a/ccan/crypto/hkdf_sha256/_info b/ccan/crypto/hkdf_sha256/_info
new file mode 100644 (file)
index 0000000..b8b3cb6
--- /dev/null
+++ b/ccan/crypto/hkdf_sha256/_info
@@ -0,0 +1,30 @@
+#include "config.h"
+#include <stdio.h>
+#include <string.h>
+
+/**
+ * crypto/hkdf_sha256 - RFC5869 Hardened Key Derivation Functions using SHA256
+ *
+ * This code implements the hkdf described in RFC5869.
+ *
+ * License: BSD-MIT
+ * Maintainer: Rusty Russell <rusty@rustcorp.com.au>
+ */
+int main(int argc, char *argv[])
+{
+       /* Expect exactly one argument */
+       if (argc != 2)
+               return 1;
+
+       if (strcmp(argv[1], "depends") == 0) {
+               printf("ccan/crypto/hmac_sha256\n");
+               return 0;
+       }
+
+       if (strcmp(argv[1], "testdepends") == 0) {
+               printf("ccan/str/hex\n");
+               return 0;
+       }
+
+       return 1;
+}