From ea600930c3e920b75d15fa1bffe3d48d818a294b Mon Sep 17 00:00:00 2001
From: MITSUNARI Shigeo <herumi@nifty.com>
Date: Sat, 27 Aug 2016 18:03:04 +0900
Subject: init by user defined p

---
 src/bls.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/bls.cpp b/src/bls.cpp
index ab3d68b..40599af 100644
--- a/src/bls.cpp
+++ b/src/bls.cpp
@@ -180,9 +180,13 @@ inline bool Sign::verify(const PublicKey& pub, const std::string& m) const
 struct SecretKey {
 	Fr s;
 	const Fr& get() const { return s; }
-	void init()
+	void init(const uint64_t *p)
 	{
-		s.setRand(getRG());
+		if (p) {
+			s.setArray(p, keySize);
+		} else {
+			s.setRand(getRG());
+		}
 	}
 	void getPublicKey(PublicKey& pub) const
 	{
@@ -367,9 +371,9 @@ std::istream& operator>>(std::istream& is, SecretKey& sec)
 	return is >> sec.id_ >> sec.self_->s;
 }
 
-void SecretKey::init()
+void SecretKey::init(const uint64_t *p)
 {
-	self_->init();
+	self_->init(p);
 }
 
 void SecretKey::getPublicKey(PublicKey& pub) const
-- 
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