// make keypair from seed
func LoadSignKey(seed []byte) *KeyPair {
seed_len := C.crypto_sign_seedbytes()
if C.size_t(len(seed)) != seed_len {
return nil
}
seedbuff := NewBuffer(seed)
defer seedbuff.Free()
pk_len := C.crypto_sign_publickeybytes()
sk_len := C.crypto_sign_secretkeybytes()
pkbuff := malloc(pk_len)
skbuff := malloc(sk_len)
res := C.crypto_sign_seed_keypair(pkbuff.uchar(), skbuff.uchar(), seedbuff.uchar())
if res != 0 {
pkbuff.Free()
skbuff.Free()
return nil
}
return &KeyPair{pkbuff, skbuff}
}
// make keypair from seed
func LoadSignKey(seed []byte) *KeyPair {
seed_len := C.crypto_sign_seedbytes()
if C.size_t(len(seed)) != seed_len {
log.Println("nacl.SeedSignKey() invalid seed size", len(seed))
return nil
}
seedbuff := NewBuffer(seed)
defer seedbuff.Free()
pk_len := C.crypto_sign_publickeybytes()
sk_len := C.crypto_sign_secretkeybytes()
pkbuff := malloc(pk_len)
skbuff := malloc(sk_len)
res := C.crypto_sign_seed_keypair(pkbuff.uchar(), skbuff.uchar(), seedbuff.uchar())
if res != 0 {
log.Println("nacl.SeedSignKey cannot derive keys from seed", res)
pkbuff.Free()
skbuff.Free()
return nil
}
return &KeyPair{pkbuff, skbuff}
}
func SignSeedBytes() int {
return int(C.crypto_sign_seedbytes())
}
func (self *KeyPair) Seed() []byte {
seed_len := C.crypto_sign_seedbytes()
return self.sk.Bytes()[:seed_len]
}
func CryptoSignSeedLen() int {
return int(C.crypto_sign_seedbytes())
}