github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/identity/signature.go (about)

     1  /*
     2   * Copyright (C) 2017 The "MysteriumNetwork/node" Authors.
     3   *
     4   * This program is free software: you can redistribute it and/or modify
     5   * it under the terms of the GNU General Public License as published by
     6   * the Free Software Foundation, either version 3 of the License, or
     7   * (at your option) any later version.
     8   *
     9   * This program is distributed in the hope that it will be useful,
    10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12   * GNU General Public License for more details.
    13   *
    14   * You should have received a copy of the GNU General Public License
    15   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    16   */
    17  
    18  package identity
    19  
    20  import (
    21  	"bytes"
    22  	"encoding/base64"
    23  	"encoding/hex"
    24  )
    25  
    26  // SignatureBytes constructs Signature structure instance from bytes
    27  func SignatureBytes(signatureBytes []byte) Signature {
    28  	return Signature{signatureBytes}
    29  }
    30  
    31  // SignatureHex returns Signature struct from hex string
    32  func SignatureHex(signature string) Signature {
    33  	signatureBytes, _ := hex.DecodeString(signature)
    34  	return Signature{signatureBytes}
    35  }
    36  
    37  // SignatureBase64 decodes base64 string signature into Signature
    38  func SignatureBase64(signature string) Signature {
    39  	signatureBytes, _ := base64.StdEncoding.DecodeString(signature)
    40  	return Signature{signatureBytes}
    41  }
    42  
    43  // Signature structure
    44  type Signature struct {
    45  	raw []byte
    46  }
    47  
    48  // Base64 encodes signature into Base64 format
    49  func (signature *Signature) Base64() string {
    50  	return base64.StdEncoding.EncodeToString(signature.Bytes())
    51  }
    52  
    53  // Bytes returns signature in raw bytes format
    54  func (signature *Signature) Bytes() []byte {
    55  	return signature.raw
    56  }
    57  
    58  // EqualsTo compares current signature with a given one
    59  func (signature Signature) EqualsTo(other Signature) bool {
    60  	return bytes.Equal(signature.raw, other.raw)
    61  }