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TA贡献1842条经验 获得超13个赞
你想用它encoding.pem来解码 pem 文件,它会给你 DER 块,你可以用crypto/x509包解码。
例如:
certPEMBlock, err := ioutil.ReadFile(certFile)
if err != nil {
log.Fatal(err)
}
var blocks [][]byte
for {
var certDERBlock *pem.Block
certDERBlock, certPEMBlock = pem.Decode(certPEMBlock)
if certDERBlock == nil {
break
}
if certDERBlock.Type == "CERTIFICATE" {
blocks = append(blocks, certDERBlock.Bytes)
}
}
for _, block := range blocks {
cert, err := x509.ParseCertificate(block)
if err != nil {
log.Println(err)
continue
}
fmt.Println("Certificate:")
fmt.Printf("\tSubject: %+v\n", cert.Subject)
fmt.Printf("\tDNS Names: %+v\n", cert.DNSNames)
fmt.Printf("\tEmailAddresses: %+v\n", cert.EmailAddresses)
fmt.Printf("\tIPAddresses: %+v\n", cert.IPAddresses)
}
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