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author | Shashank | 2017-05-29 12:40:26 +0530 |
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committer | Shashank | 2017-05-29 12:40:26 +0530 |
commit | 0345245e860375a32c9a437c4a9d9cae807134e9 (patch) | |
tree | ad51ecbfa7bcd3cc5f09834f1bb8c08feaa526a4 /usr/man/man1/genrsa.1 | |
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CMSCOPE changed
Diffstat (limited to 'usr/man/man1/genrsa.1')
-rwxr-xr-x | usr/man/man1/genrsa.1 | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/usr/man/man1/genrsa.1 b/usr/man/man1/genrsa.1 new file mode 100755 index 000000000..04c9b450f --- /dev/null +++ b/usr/man/man1/genrsa.1 @@ -0,0 +1,214 @@ +.\" Automatically generated by Pod::Man 2.28 (Pod::Simple 3.28) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. \*(C+ will +.\" give a nicer C++. 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Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +genrsa \- generate an RSA private key +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +\&\fBopenssl\fR \fBgenrsa\fR +[\fB\-out filename\fR] +[\fB\-passout arg\fR] +[\fB\-des\fR] +[\fB\-des3\fR] +[\fB\-idea\fR] +[\fB\-f4\fR] +[\fB\-3\fR] +[\fB\-rand file(s)\fR] +[\fB\-engine id\fR] +[\fBnumbits\fR] +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +The \fBgenrsa\fR command generates an \s-1RSA\s0 private key. +.SH "OPTIONS" +.IX Header "OPTIONS" +.IP "\fB\-out filename\fR" 4 +.IX Item "-out filename" +the output filename. If this argument is not specified then standard output is +used. +.IP "\fB\-passout arg\fR" 4 +.IX Item "-passout arg" +the output file password source. For more information about the format of \fBarg\fR +see the \fB\s-1PASS PHRASE ARGUMENTS\s0\fR section in \fIopenssl\fR\|(1). +.IP "\fB\-des|\-des3|\-idea\fR" 4 +.IX Item "-des|-des3|-idea" +These options encrypt the private key with the \s-1DES,\s0 triple \s-1DES,\s0 or the +\&\s-1IDEA\s0 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 \fB\-passout\fR argument. +.IP "\fB\-F4|\-3\fR" 4 +.IX Item "-F4|-3" +the public exponent to use, either 65537 or 3. The default is 65537. +.IP "\fB\-rand file(s)\fR" 4 +.IX Item "-rand file(s)" +a file or files containing random data used to seed the random number +generator, or an \s-1EGD\s0 socket (see \fIRAND_egd\fR\|(3)). +Multiple files can be specified separated by a OS-dependent character. +The separator is \fB;\fR for MS-Windows, \fB,\fR for OpenVMS, and \fB:\fR for +all others. +.IP "\fB\-engine id\fR" 4 +.IX Item "-engine id" +specifying an engine (by it's unique \fBid\fR string) will cause \fBreq\fR +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. +.IP "\fBnumbits\fR" 4 +.IX Item "numbits" +the size of the private key to generate in bits. This must be the last option +specified. The default is 512. +.SH "NOTES" +.IX Header "NOTES" +\&\s-1RSA\s0 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 \fB.\fR represents each number which +has passed an initial sieve test, \fB+\fR 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). +.PP +Because key generation is a random process the time taken to generate a key +may vary somewhat. +.SH "BUGS" +.IX Header "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). +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fIgendsa\fR\|(1) |