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| author | MITSUNARI Shigeo <herumi@nifty.com> | 2016-08-27 17:03:04 +0800 |
|---|---|---|
| committer | MITSUNARI Shigeo <herumi@nifty.com> | 2016-08-27 17:03:04 +0800 |
| commit | ea600930c3e920b75d15fa1bffe3d48d818a294b (patch) | |
| tree | 50f9845ac43a8e79422cc253416e28f78c56ce38 | |
| parent | fec0cc33f5074e76764f87eaf6b26c7ed8bca5a4 (diff) | |
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init by user defined p
| -rw-r--r-- | include/bls.hpp | 5 | ||||
| -rw-r--r-- | src/bls.cpp | 12 |
2 files changed, 12 insertions, 5 deletions
diff --git a/include/bls.hpp b/include/bls.hpp index 2c4017e..be6d17d 100644 --- a/include/bls.hpp +++ b/include/bls.hpp @@ -41,6 +41,8 @@ class SecretKey; class PublicKey; class Sign; +const size_t keySize = 32; + typedef std::vector<SecretKey> SecretKeyVec; typedef std::vector<PublicKey> PublicKeyVec; typedef std::vector<Sign> SignVec; @@ -67,8 +69,9 @@ public: friend std::istream& operator>>(std::istream& is, SecretKey& sec); /* make a secret key for id = 0 + set p[keySize] if p != 0 */ - void init(); + void init(const uint64_t *p = 0); void getPublicKey(PublicKey& pub) const; void sign(Sign& sign, const std::string& m) const; /* 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 |