24 lines
493 B
Go
24 lines
493 B
Go
package sshkeys
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import (
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"crypto/rand"
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"crypto/rsa"
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)
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func (k *SSHPrivKey) generateRsa() error {
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if k.BitSize == 0 {
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k.BitSize = defRSABitSize
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}
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if k.Key != nil || k.PublicKey.Key != nil {
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return nil // A no-op; key already exists.
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}
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if sk, err := rsa.GenerateKey(rand.Reader, int(k.BitSize)); err != nil {
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return err
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} else {
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k.Key = sk // See https://golang.org/pkg/crypto/rsa/#PrivateKey
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k.PublicKey.KeyType = KeyRsa
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k.PublicKey.Key = k.Key.PublicKey
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}
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return nil
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}
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