From 52261db09ef9dbf5abc95baed22722c5c332f9f7 Mon Sep 17 00:00:00 2001 From: Rob Austein Date: Tue, 20 Jun 2006 17:33:26 +0000 Subject: Pulling OpenSSL 0.9.8b into trunk svn path=/openssl/trunk; revision=3 --- openssl/trunk/doc/apps/genrsa.pod | 96 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 openssl/trunk/doc/apps/genrsa.pod (limited to 'openssl/trunk/doc/apps/genrsa.pod') diff --git a/openssl/trunk/doc/apps/genrsa.pod b/openssl/trunk/doc/apps/genrsa.pod new file mode 100644 index 00000000..25af4d14 --- /dev/null +++ b/openssl/trunk/doc/apps/genrsa.pod @@ -0,0 +1,96 @@ +=pod + +=head1 NAME + +genrsa - generate an RSA private key + +=head1 SYNOPSIS + +B B +[B<-out filename>] +[B<-passout arg>] +[B<-des>] +[B<-des3>] +[B<-idea>] +[B<-f4>] +[B<-3>] +[B<-rand file(s)>] +[B<-engine id>] +[B] + +=head1 DESCRIPTION + +The B command generates an RSA private key. + +=head1 OPTIONS + +=over 4 + +=item B<-out filename> + +the output filename. If this argument is not specified then standard output is +used. + +=item B<-passout arg> + +the output file password source. For more information about the format of B +see the B section in L. + +=item B<-des|-des3|-idea> + +These options encrypt the private key with the DES, triple DES, or the +IDEA ciphers respectively before outputting it. If none of these options is +specified no encryption is used. If encryption is used a pass phrase is prompted +for if it is not supplied via the B<-passout> argument. + +=item B<-F4|-3> + +the public exponent to use, either 65537 or 3. The default is 65537. + +=item B<-rand file(s)> + +a file or files containing random data used to seed the random number +generator, or an EGD socket (see L). +Multiple files can be specified separated by a OS-dependent character. +The separator is B<;> for MS-Windows, B<,> for OpenVMS, and B<:> for +all others. + +=item B<-engine id> + +specifying an engine (by it's unique B string) will cause B +to attempt to obtain a functional reference to the specified engine, +thus initialising it if needed. The engine will then be set as the default +for all available algorithms. + +=item B + +the size of the private key to generate in bits. This must be the last option +specified. The default is 512. + +=back + +=head1 NOTES + +RSA private key generation essentially involves the generation of two prime +numbers. When generating a private key various symbols will be output to +indicate the progress of the generation. A B<.> represents each number which +has passed an initial sieve test, B<+> means a number has passed a single +round of the Miller-Rabin primality test. A newline means that the number has +passed all the prime tests (the actual number depends on the key size). + +Because key generation is a random process the time taken to generate a key +may vary somewhat. + +=head1 BUGS + +A quirk of the prime generation algorithm is that it cannot generate small +primes. Therefore the number of bits should not be less that 64. For typical +private keys this will not matter because for security reasons they will +be much larger (typically 1024 bits). + +=head1 SEE ALSO + +L + +=cut + -- cgit v1.2.3