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Diffstat (limited to 'secure/lib/libcrypto/man/rsautl.1')
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diff --git a/secure/lib/libcrypto/man/rsautl.1 b/secure/lib/libcrypto/man/rsautl.1 new file mode 100644 index 0000000..f6a9865 --- /dev/null +++ b/secure/lib/libcrypto/man/rsautl.1 @@ -0,0 +1,312 @@ +.\" Automatically generated by Pod::Man version 1.15 +.\" Thu May 9 13:14:52 2002 +.\" +.\" Standard preamble: +.\" ====================================================================== +.de Sh \" Subsection heading +.br +.if t .Sp +.ne 5 +.PP +\fB\\$1\fR +.PP +.. +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Ip \" List item +.br +.ie \\n(.$>=3 .ne \\$3 +.el .ne 3 +.IP "\\$1" \\$2 +.. +.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. | will give a +.\" real vertical bar. \*(C+ will give a nicer C++. Capital omega is used +.\" to do unbreakable dashes and therefore won't be available. \*(C` and +.\" \*(C' expand to `' in nroff, nothing in troff, for use with C<> +.tr \(*W-|\(bv\*(Tr +.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' +.ie n \{\ +. ds -- \(*W- +. ds PI pi +. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch +. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch +. ds L" "" +. ds R" "" +. ds C` "" +. ds C' "" +'br\} +.el\{\ +. ds -- \|\(em\| +. ds PI \(*p +. ds L" `` +. ds R" '' +'br\} +.\" +.\" If the F register is turned on, we'll generate index entries on stderr +.\" for titles (.TH), headers (.SH), subsections (.Sh), items (.Ip), and +.\" index entries marked with X<> in POD. Of course, you'll have to process +.\" the output yourself in some meaningful fashion. +.if \nF \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. nr % 0 +. rr F +.\} +.\" +.\" For nroff, turn off justification. Always turn off hyphenation; it +.\" makes way too many mistakes in technical documents. +.hy 0 +.if n .na +.\" +.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). +.\" Fear. Run. Save yourself. No user-serviceable parts. +.bd B 3 +. \" fudge factors for nroff and troff +.if n \{\ +. ds #H 0 +. ds #V .8m +. ds #F .3m +. ds #[ \f1 +. ds #] \fP +.\} +.if t \{\ +. ds #H ((1u-(\\\\n(.fu%2u))*.13m) +. ds #V .6m +. ds #F 0 +. ds #[ \& +. ds #] \& +.\} +. \" simple accents for nroff and troff +.if n \{\ +. ds ' \& +. ds ` \& +. ds ^ \& +. ds , \& +. ds ~ ~ +. ds / +.\} +.if t \{\ +. ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" +. ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' +. ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' +. ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' +. ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' +. ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' +.\} +. \" troff and (daisy-wheel) nroff accents +.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' +.ds 8 \h'\*(#H'\(*b\h'-\*(#H' +.ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] +.ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' +.ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' +.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] +.ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] +.ds ae a\h'-(\w'a'u*4/10)'e +.ds Ae A\h'-(\w'A'u*4/10)'E +. \" corrections for vroff +.if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' +.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' +. \" for low resolution devices (crt and lpr) +.if \n(.H>23 .if \n(.V>19 \ +\{\ +. ds : e +. ds 8 ss +. ds o a +. ds d- d\h'-1'\(ga +. ds D- D\h'-1'\(hy +. ds th \o'bp' +. ds Th \o'LP' +. ds ae ae +. ds Ae AE +.\} +.rm #[ #] #H #V #F C +.\" ====================================================================== +.\" +.IX Title "RSAUTL 1" +.TH RSAUTL 1 "perl v5.6.1" "2001-07-19" "User Contributed Perl Documentation" +.UC +.SH "NAME" +rsautl \- \s-1RSA\s0 utility +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +\&\fBopenssl\fR \fBrsautl\fR +[\fB\-in file\fR] +[\fB\-out file\fR] +[\fB\-inkey file\fR] +[\fB\-pubin\fR] +[\fB\-certin\fR] +[\fB\-sign\fR] +[\fB\-verify\fR] +[\fB\-encrypt\fR] +[\fB\-decrypt\fR] +[\fB\-pkcs\fR] +[\fB\-ssl\fR] +[\fB\-raw\fR] +[\fB\-hexdump\fR] +[\fB\-asn1parse\fR] +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +The \fBrsautl\fR command can be used to sign, verify, encrypt and decrypt +data using the \s-1RSA\s0 algorithm. +.SH "COMMAND OPTIONS" +.IX Header "COMMAND OPTIONS" +.Ip "\fB\-in filename\fR" 4 +.IX Item "-in filename" +This specifies the input filename to read data from or standard input +if this option is not specified. +.Ip "\fB\-out filename\fR" 4 +.IX Item "-out filename" +specifies the output filename to write to or standard output by +default. +.Ip "\fB\-inkey file\fR" 4 +.IX Item "-inkey file" +the input key file, by default it should be an \s-1RSA\s0 private key. +.Ip "\fB\-pubin\fR" 4 +.IX Item "-pubin" +the input file is an \s-1RSA\s0 public key. +.Ip "\fB\-certin\fR" 4 +.IX Item "-certin" +the input is a certificate containing an \s-1RSA\s0 public key. +.Ip "\fB\-sign\fR" 4 +.IX Item "-sign" +sign the input data and output the signed result. This requires +and \s-1RSA\s0 private key. +.Ip "\fB\-verify\fR" 4 +.IX Item "-verify" +verify the input data and output the recovered data. +.Ip "\fB\-encrypt\fR" 4 +.IX Item "-encrypt" +encrypt the input data using an \s-1RSA\s0 public key. +.Ip "\fB\-decrypt\fR" 4 +.IX Item "-decrypt" +decrypt the input data using an \s-1RSA\s0 private key. +.Ip "\fB\-pkcs, \-oaep, \-ssl, \-raw\fR" 4 +.IX Item "-pkcs, -oaep, -ssl, -raw" +the padding to use: PKCS#1 v1.5 (the default), PKCS#1 \s-1OAEP\s0, +special padding used in \s-1SSL\s0 v2 backwards compatible handshakes, +or no padding, respectively. +For signatures, only \fB\-pkcs\fR and \fB\-raw\fR can be used. +.Ip "\fB\-hexdump\fR" 4 +.IX Item "-hexdump" +hex dump the output data. +.Ip "\fB\-asn1parse\fR" 4 +.IX Item "-asn1parse" +asn1parse the output data, this is useful when combined with the +\&\fB\-verify\fR option. +.SH "NOTES" +.IX Header "NOTES" +\&\fBrsautl\fR because it uses the \s-1RSA\s0 algorithm directly can only be +used to sign or verify small pieces of data. +.SH "EXAMPLES" +.IX Header "EXAMPLES" +Sign some data using a private key: +.PP +.Vb 1 +\& openssl rsautl -sign -in file -inkey key.pem -out sig +.Ve +Recover the signed data +.PP +.Vb 1 +\& openssl rsautl -verify -in sig -inkey key.pem +.Ve +Examine the raw signed data: +.PP +.Vb 1 +\& openssl rsautl -verify -in file -inkey key.pem -raw -hexdump +.Ve +.Vb 8 +\& 0000 - 00 01 ff ff ff ff ff ff-ff ff ff ff ff ff ff ff ................ +\& 0010 - ff ff ff ff ff ff ff ff-ff ff ff ff ff ff ff ff ................ +\& 0020 - ff ff ff ff ff ff ff ff-ff ff ff ff ff ff ff ff ................ +\& 0030 - ff ff ff ff ff ff ff ff-ff ff ff ff ff ff ff ff ................ +\& 0040 - ff ff ff ff ff ff ff ff-ff ff ff ff ff ff ff ff ................ +\& 0050 - ff ff ff ff ff ff ff ff-ff ff ff ff ff ff ff ff ................ +\& 0060 - ff ff ff ff ff ff ff ff-ff ff ff ff ff ff ff ff ................ +\& 0070 - ff ff ff ff 00 68 65 6c-6c 6f 20 77 6f 72 6c 64 .....hello world +.Ve +The PKCS#1 block formatting is evident from this. If this was done using +encrypt and decrypt the block would have been of type 2 (the second byte) +and random padding data visible instead of the 0xff bytes. +.PP +It is possible to analyse the signature of certificates using this +utility in conjunction with \fBasn1parse\fR. Consider the self signed +example in certs/pca-cert.pem . Running \fBasn1parse\fR as follows yields: +.PP +.Vb 1 +\& openssl asn1parse -in pca-cert.pem +.Ve +.Vb 18 +\& 0:d=0 hl=4 l= 742 cons: SEQUENCE +\& 4:d=1 hl=4 l= 591 cons: SEQUENCE +\& 8:d=2 hl=2 l= 3 cons: cont [ 0 ] +\& 10:d=3 hl=2 l= 1 prim: INTEGER :02 +\& 13:d=2 hl=2 l= 1 prim: INTEGER :00 +\& 16:d=2 hl=2 l= 13 cons: SEQUENCE +\& 18:d=3 hl=2 l= 9 prim: OBJECT :md5WithRSAEncryption +\& 29:d=3 hl=2 l= 0 prim: NULL +\& 31:d=2 hl=2 l= 92 cons: SEQUENCE +\& 33:d=3 hl=2 l= 11 cons: SET +\& 35:d=4 hl=2 l= 9 cons: SEQUENCE +\& 37:d=5 hl=2 l= 3 prim: OBJECT :countryName +\& 42:d=5 hl=2 l= 2 prim: PRINTABLESTRING :AU +\& .... +\& 599:d=1 hl=2 l= 13 cons: SEQUENCE +\& 601:d=2 hl=2 l= 9 prim: OBJECT :md5WithRSAEncryption +\& 612:d=2 hl=2 l= 0 prim: NULL +\& 614:d=1 hl=3 l= 129 prim: BIT STRING +.Ve +The final \s-1BIT\s0 \s-1STRING\s0 contains the actual signature. It can be extracted with: +.PP +.Vb 1 +\& openssl asn1parse -in pca-cert.pem -out sig -noout -strparse 614 +.Ve +The certificate public key can be extracted with: +.PP +.Vb 1 +\& openssl x509 -in test/testx509.pem -pubout -noout >pubkey.pem +.Ve +The signature can be analysed with: +.PP +.Vb 1 +\& openssl rsautl -in sig -verify -asn1parse -inkey pubkey.pem -pubin +.Ve +.Vb 6 +\& 0:d=0 hl=2 l= 32 cons: SEQUENCE +\& 2:d=1 hl=2 l= 12 cons: SEQUENCE +\& 4:d=2 hl=2 l= 8 prim: OBJECT :md5 +\& 14:d=2 hl=2 l= 0 prim: NULL +\& 16:d=1 hl=2 l= 16 prim: OCTET STRING +\& 0000 - f3 46 9e aa 1a 4a 73 c9-37 ea 93 00 48 25 08 b5 .F...Js.7...H%.. +.Ve +This is the parsed version of an \s-1ASN1\s0 DigestInfo structure. It can be seen that +the digest used was md5. The actual part of the certificate that was signed can +be extracted with: +.PP +.Vb 1 +\& openssl asn1parse -in pca-cert.pem -out tbs -noout -strparse 4 +.Ve +and its digest computed with: +.PP +.Vb 2 +\& openssl md5 -c tbs +\& MD5(tbs)= f3:46:9e:aa:1a:4a:73:c9:37:ea:93:00:48:25:08:b5 +.Ve +which it can be seen agrees with the recovered value above. +.SH "SEE ALSO" +.IX Header "SEE ALSO" +dgst(1), rsa(1), genrsa(1) |
