48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
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/*
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* @Date: 2021-03-11 18:02:34
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* @LastEditors: viletyy
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* @LastEditTime: 2021-04-26 23:00:24
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* @FilePath: /yolk/crypt/key_pairs.go
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*/
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package crypt
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import (
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"crypto/x509"
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"encoding/pem"
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"fmt"
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"os"
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)
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// ecdsaCmd represents the doc command
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func KeyPairs(keyName string) {
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//elliptic.P256(),elliptic.P384(),elliptic.P521()
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privateKey, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader)
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if err != nil {
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panic(fmt.Sprintf("Genera KeyPairs Error: %v", err))
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}
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x509Encoded, _ := x509.MarshalECPrivateKey(privateKey)
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privateBs := pem.EncodeToMemory(&pem.Block{Type: "PRIVATE KEY", Bytes: x509Encoded})
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privateFile, err := os.Create(keyName + ".private.pem")
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if err != nil {
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panic(fmt.Sprintf("Genera KeyPairs Error: %v", err))
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}
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_, err = privateFile.Write(privateBs)
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if err != nil {
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panic(fmt.Sprintf("Genera KeyPairs Error: %v", err))
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}
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x509EncodedPub, _ := x509.MarshalPKIXPublicKey(privateKey.Public())
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publicBs := pem.EncodeToMemory(&pem.Block{Type: "PUBLIC KEY", Bytes: x509EncodedPub})
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publicKeyFile, err := os.Create(keyName + ".public.pem")
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if err != nil {
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panic(fmt.Sprintf("Genera KeyPairs Error: %v", err))
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}
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_, err = publicKeyFile.Write(publicBs)
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if err != nil {
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panic(fmt.Sprintf("Genera KeyPairs Error: %v", err))
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}
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}
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