X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=doc%2Fman-pg.but;h=6ee37c9932ac80b491d87296a03146344adc5774;hb=af1460d6e5044a3344aaacd15c91cfdcb58578e7;hp=dd51d4d15f162e0477508aeb9209157b3ecdfcba;hpb=908acc3adbeecc664a59c5d211012aa942221ba5;p=PuTTY.git diff --git a/doc/man-pg.but b/doc/man-pg.but index dd51d4d1..6ee37c99 100644 --- a/doc/man-pg.but +++ b/doc/man-pg.but @@ -37,7 +37,11 @@ the following section. \S{puttygen-manpage-options} OPTIONS In the first phase, \c{puttygen} either loads or generates a key. -The options to control this are: +Note that generating a key requires random data (from +\c{/dev/random}), which can cause \c{puttygen} to pause, possibly for +some time if your system does not have much randomness available. + +The options to control this phase are: \dt \e{keyfile} @@ -49,12 +53,12 @@ OpenSSH and ssh.com's implementation. \dt \cw{\-t} \e{keytype} \dd Specify a type of key to generate. The acceptable values here are -\c{rsa} and \c{dsa} (to generate SSH-2 keys), and \c{rsa1} (to -generate SSH-1 keys). +\c{rsa}, \c{dsa}, \c{ecdsa}, and \c{ed25519} (to generate SSH-2 keys), +and \c{rsa1} (to generate SSH-1 keys). \dt \cw{\-b} \e{bits} -\dd Specify the size of the key to generate, in bits. Default is 1024. +\dd Specify the size of the key to generate, in bits. Default is 2048. \dt \cw{\-q} @@ -113,9 +117,15 @@ algorithms are believed compatible with OpenSSH. \dt \cw{private-openssh} -\dd Save an SSH-2 private key in OpenSSH's format. This option is not +\dd Save an SSH-2 private key in OpenSSH's format, using the oldest +format available to maximise backward compatibility. This option is not permitted for SSH-1 keys. +\dt \cw{private-openssh-new} + +\dd As \c{private-openssh}, except that it forces the use of OpenSSH's +newer format even for RSA, DSA, and ECDSA keys. + \dt \cw{private-sshcom} \dd Save an SSH-2 private key in ssh.com's format. This option is not @@ -169,9 +179,9 @@ To generate an SSH-2 RSA key pair and save it in PuTTY's own format \c puttygen -t rsa -C "my home key" -o mykey.ppk -To generate a larger (2048-bit) key: +To generate a larger (4096-bit) key: -\c puttygen -t rsa -b 2048 -C "my home key" -o mykey.ppk +\c puttygen -t rsa -b 4096 -C "my home key" -o mykey.ppk To change the passphrase on a key (you will be prompted for the old and new passphrases):