From f1d5eb1da9900ab1435d8bd2f4fdb2353717809b Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sun, 25 Mar 2012 19:44:26 +0200
Subject: Add ecc_25519_secret_sanitize stub implementation

---
 src/ec25519_secret.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src')

diff --git a/src/ec25519_secret.c b/src/ec25519_secret.c
index 5819a6c..9108613 100644
--- a/src/ec25519_secret.c
+++ b/src/ec25519_secret.c
@@ -176,3 +176,12 @@ void ecc_25519_secret_mult(ecc_secret_key_256 *out, const ecc_secret_key_256 *in
 	montgomery(out->s, R, C);
 }
 
+/* TODO implement properly, rule out zero etc. */
+void ecc_25519_secret_sanitize(ecc_secret_key_256 *out, const ecc_secret_key_256 *in) {
+	int i;
+
+	for (i = 0; i < 32; i++)
+		out->s[i] = in->s[i];
+
+	out->s[31] |= 0x80;
+}
-- 
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