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2019-03-27		2019-03-28
5.15 released - removing beta notices (martin)		typography (martin)
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	Using the //Import// command from the //Conversions// menu, PuTTYgen can load SSH-2 private keys in OpenSSH's format and ssh.com's format. Once you have loaded one of these key types, you can then save it back out as a PuTTY-format key (''*.PPK'') so that you can use it with the WinSCP. The passphrase will be unchanged by this process (unless you deliberately change it). You may want to change the key comment before you save the key, since OpenSSH's SSH-2 key format contains no space for a comment and ssh.com's default comment format is long and verbose.		Using the //Import// command from the //Conversions// menu, PuTTYgen can load SSH-2 private keys in OpenSSH's format and ssh.com's format. Once you have loaded one of these key types, you can then save it back out as a PuTTY-format key (''*.PPK'') so that you can use it with the WinSCP. The passphrase will be unchanged by this process (unless you deliberately change it). You may want to change the key comment before you save the key, since OpenSSH's SSH-2 key format contains no space for a comment and ssh.com's default comment format is long and verbose.

-	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)//.