49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
package cryptoUtils
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import (
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"PD1/internal/client"
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"PD1/internal/protocol"
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"crypto/rsa"
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"crypto/x509"
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"fmt"
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"log"
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"os"
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"software.sslmate.com/src/go-pkcs12"
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)
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func Print() {
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fmt.Println("crypto package")
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}
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func getUserInfo(certFilename string) (
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rsa.PrivateKey,
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*x509.Certificate,
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[]*x509.Certificate,
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error) {
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var privKey rsa.PrivateKey
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certFile, err := os.ReadFile(certFilename)
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if err != nil {
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log.Panicln("Provided certificate %v couldn't be opened", certFilename)
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return rsa.PrivateKey{}, nil, nil, err
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}
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password := client.AskUserPassword()
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privKeyInterface, cert, caCerts, err := pkcs12.DecodeChain(certFile, password)
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privKey = privKeyInterface.(rsa.PrivateKey)
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if err != nil {
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log.Panicln("PKCS12 key store couldn't be decoded")
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return rsa.PrivateKey{}, nil, nil, err
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}
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if err := privKey.Validate(); err != nil {
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log.Panicln("Private key is not valid")
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return rsa.PrivateKey{}, nil, nil, err
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}
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return privKey, cert, caCerts, nil
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}
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func encryptMessageContent(privKey rsa.PrivateKey, peerPubKey rsa.PublicKey, content []byte) []byte {
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// Digital envolope
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}
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