97 lines
2.4 KiB
Go
97 lines
2.4 KiB
Go
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// Copyright 2016 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tls
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import "fmt"
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// DigitallySigned gives information about a signature, including the algorithm used
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// and the signature value. Defined in RFC 5246 s4.7.
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type DigitallySigned struct {
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Algorithm SignatureAndHashAlgorithm
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Signature []byte `tls:"minlen:0,maxlen:65535"`
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}
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func (d DigitallySigned) String() string {
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return fmt.Sprintf("Signature: HashAlgo=%v SignAlgo=%v Value=%x", d.Algorithm.Hash, d.Algorithm.Signature, d.Signature)
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}
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// SignatureAndHashAlgorithm gives information about the algorithms used for a
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// signature. Defined in RFC 5246 s7.4.1.4.1.
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type SignatureAndHashAlgorithm struct {
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Hash HashAlgorithm `tls:"maxval:255"`
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Signature SignatureAlgorithm `tls:"maxval:255"`
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}
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// HashAlgorithm enum from RFC 5246 s7.4.1.4.1.
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type HashAlgorithm Enum
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// HashAlgorithm constants from RFC 5246 s7.4.1.4.1.
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const (
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None HashAlgorithm = 0
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MD5 HashAlgorithm = 1
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SHA1 HashAlgorithm = 2
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SHA224 HashAlgorithm = 3
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SHA256 HashAlgorithm = 4
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SHA384 HashAlgorithm = 5
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SHA512 HashAlgorithm = 6
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)
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func (h HashAlgorithm) String() string {
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switch h {
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case None:
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return "None"
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case MD5:
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return "MD5"
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case SHA1:
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return "SHA1"
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case SHA224:
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return "SHA224"
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case SHA256:
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return "SHA256"
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case SHA384:
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return "SHA384"
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case SHA512:
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return "SHA512"
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default:
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return fmt.Sprintf("UNKNOWN(%d)", h)
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}
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}
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// SignatureAlgorithm enum from RFC 5246 s7.4.1.4.1.
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type SignatureAlgorithm Enum
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// SignatureAlgorithm constants from RFC 5246 s7.4.1.4.1.
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const (
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Anonymous SignatureAlgorithm = 0
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RSA SignatureAlgorithm = 1
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DSA SignatureAlgorithm = 2
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ECDSA SignatureAlgorithm = 3
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)
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func (s SignatureAlgorithm) String() string {
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switch s {
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case Anonymous:
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return "Anonymous"
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case RSA:
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return "RSA"
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case DSA:
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return "DSA"
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case ECDSA:
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return "ECDSA"
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default:
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return fmt.Sprintf("UNKNOWN(%d)", s)
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}
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}
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