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| 2017-12-26 | 2018-03-03 | ||
| Restored revision 1484724277. Undoing revision 1514259085. (martin) (hidden) | no summary (170.248.160.17) (hidden) (untrusted) | ||
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| PuTTYgen can also export private keys in OpenSSH format and in ssh.com format. To do so, select one of the //Export// options from the //Conversions// menu. Exporting a key works exactly like [[#saving_private|saving it]] - you need to have typed your passphrase in beforehand, and you will be warned if you are about to save a key without a passphrase. | PuTTYgen can also export private keys in OpenSSH format and in ssh.com format. To do so, select one of the //Export// options from the //Conversions// menu. Exporting a key works exactly like [[#saving_private|saving it]] - you need to have typed your passphrase in beforehand, and you will be warned if you are about to save a key without a passphrase. | ||
| - | For OpenSSH there are two options. Modern OpenSSH actually has two formats it uses for storing private keys. //Export OpenSSH key// will automatically choose the oldest format supported for the key type, for maximum backward compatibility with older versions of OpenSSH; for newer key types like Ed25519, it will use the newer format as that is the only legal option. If you have some specific reason for wanting to use OpenSSH's newer format even for RSA, DSA, or ECDSA keys, you can choose //Export OpenSSH key (force new file format)//. | + | For OpenSSH there are two options. Modern OpenSSH actually has two formats it uses for storing private keys. //Export OpenSSH key// will automatically choose the oldest format supported for the key type, for maximum backward compatibility with older versions of OpenSSH; for newer key types like Ed25519, it will use the newer format as that is the only legal option. If you have some specific reason for wanting to use OpenSSH's newer format even for RSA, DSA, or ECDSA keys, you can choose //Export OpenSSH key (force new file format |
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| - | Note that since only SSH-2 keys come in different formats; the export options are not available if you have generated an SSH-1 key. ((&puttydoccite)) | + | |
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| - | You can also use WinSCP ''[[commandline#keygen|/keygen]]'' command-line switch to convert the private key from other formats. | + | |