45 lines
965 B
Go
45 lines
965 B
Go
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package main
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import (
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"crypto/ecdsa"
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"crypto/ed25519"
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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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)
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func checkPublicKey(cert *x509.Certificate) {
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switch pub := cert.PublicKey.(type) {
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case *rsa.PublicKey:
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fmt.Println("RSA key:", pub.N.BitLen(), "bits")
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case *ecdsa.PublicKey:
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fmt.Println("ECDSA key:", pub.Curve.Params().Name)
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case ed25519.PublicKey:
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fmt.Println("Ed25519 key")
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default:
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log.Fatal("Unsupported public key type")
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}
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}
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func checkCertKeyPair(certPub any, priv any) bool {
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switch pub := certPub.(type) {
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case *rsa.PublicKey:
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privRSA, ok := priv.(*rsa.PrivateKey)
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return ok && pub.N.Cmp(privRSA.N) == 0 && pub.E == privRSA.E
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case *ecdsa.PublicKey:
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privECDSA, ok := priv.(*ecdsa.PrivateKey)
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return ok && pub.X.Cmp(privECDSA.X) == 0 && pub.Y.Cmp(privECDSA.Y) == 0
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case ed25519.PublicKey:
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privEd, ok := priv.(ed25519.PrivateKey)
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return ok && pub.Equal(privEd.Public().(ed25519.PublicKey))
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default:
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return false
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}
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}
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