github.com/braveheart12/insolar-09-08-19@v0.8.7/platformpolicy/internal/sign/helpers.go (about)

     1  /*
     2   *    Copyright 2019 Insolar Technologies
     3   *
     4   *    Licensed under the Apache License, Version 2.0 (the "License");
     5   *    you may not use this file except in compliance with the License.
     6   *    You may obtain a copy of the License at
     7   *
     8   *        http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   *    Unless required by applicable law or agreed to in writing, software
    11   *    distributed under the License is distributed on an "AS IS" BASIS,
    12   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   *    See the License for the specific language governing permissions and
    14   *    limitations under the License.
    15   */
    16  
    17  package sign
    18  
    19  import (
    20  	"crypto"
    21  	"crypto/ecdsa"
    22  )
    23  
    24  func MustConvertPublicKeyToEcdsa(publicKey crypto.PublicKey) *ecdsa.PublicKey {
    25  	ecdsaPublicKey, ok := publicKey.(*ecdsa.PublicKey)
    26  	if !ok {
    27  		panic("[ Sign ] Failed to convert public key to ecdsa public key")
    28  	}
    29  	return ecdsaPublicKey
    30  }
    31  
    32  func MustConvertPrivateKeyToEcdsa(privateKey crypto.PrivateKey) *ecdsa.PrivateKey {
    33  	ecdsaPrivateKey, ok := privateKey.(*ecdsa.PrivateKey)
    34  	if !ok {
    35  		panic("[ Sign ] Failed to convert private key to ecdsa private key")
    36  	}
    37  	return ecdsaPrivateKey
    38  }