go_sshkeys/_ref/rsa/private/legacy/encrypted.adoc

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Legacy (Encrypted)
Structure

Legacy private keys are encoded in standard RSA PEM format (RFC 7468 § 11, APPENDIX-A).

The Proc-Type field is defined in RFC 1421 § 4.6.1.1.
The DEK-Info field is defined in RFC 1421 § 4.6.1.3.

Example

The following example, being encrypted, is protected with a passphrase. The passphrase used in this example key is testpassword.

As shown by the headers fields, it is encrypted using AES128-CBC with the IV of 822FAE7B2F5921CBD9143EDE93B22DFA.

-----BEGIN RSA PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-128-CBC,822FAE7B2F5921CBD9143EDE93B22DFA
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-----END RSA PRIVATE KEY-----

See the plaintext example for the decrypted (non-password-protected) version of this key.