mirror of https://github.com/google/oss-fuzz.git
56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
// Copyright 2022 Google LLC
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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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//
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package x509
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import (
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"crypto/x509"
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"encoding/pem"
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)
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func FuzzParseCert(data []byte) int {
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if len(data) < 2 {
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return 1
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}
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plural := int(data[0])%2 == 0
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data = data[1:]
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if plural {
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_, _ = x509.ParseCertificates(data)
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} else {
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_, _ = x509.ParseCertificate(data)
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}
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return 1
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}
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func FuzzPemDecrypt(data []byte) int {
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if len(data) < 6 {
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return 0
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}
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pemDataLen := int(data[0])
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if (pemDataLen + 5) > len(data) {
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return 0
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}
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data = data[1:]
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pemData := data[:pemDataLen]
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password := data[pemDataLen+1:]
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block, _ := pem.Decode(pemData)
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if block == nil {
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return 0
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}
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_, _ = x509.DecryptPEMBlock(block, password)
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return 1
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}
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