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a0e9f529
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a0e9f529
编写于
25年前
作者:
D
Dr. Stephen Henson
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Add support for the 40 and 64 bit RC2 and RC4 ciphers in 'enc'
add documentation for 'enc'.
上级
0286d944
变更
4
隐藏空白更改
内联
并排
Showing
4 changed file
with
210 addition
and
3 deletion
+210
-3
CHANGES
CHANGES
+5
-1
apps/progs.h
apps/progs.h
+12
-0
apps/progs.pl
apps/progs.pl
+3
-2
doc/man/enc.pod
doc/man/enc.pod
+190
-0
未找到文件。
CHANGES
浏览文件 @
a0e9f529
...
...
@@ -4,13 +4,17 @@
Changes between 0.9.4 and 0.9.5 [xx XXX 1999]
*) Add support for 40 and 64 bit RC2 and RC4 algorithms: document
the 'enc' command.
[Steve Henson]
*) Add the possibility to add extra information to the memory leak
detecting output, to form tracebacks, showing from where each
allocation was originated. Also updated sid code to be multi-
thread-safe.
[Richard Levitte]
*) Add options -text and -noout to pkcs7 utility and delet
s
the
*) Add options -text and -noout to pkcs7 utility and delet
e
the
encryption options which never did anything. Update docs.
[Steve Henson]
...
...
This diff is collapsed.
Click to expand it.
apps/progs.h
浏览文件 @
a0e9f529
...
...
@@ -118,6 +118,12 @@ FUNCTION functions[] = {
#ifndef NO_RC4
{
FUNC_TYPE_CIPHER
,
"rc4"
,
enc_main
},
#endif
#ifndef NO_RC4
{
FUNC_TYPE_CIPHER
,
"rc4-64"
,
enc_main
},
#endif
#ifndef NO_RC4
{
FUNC_TYPE_CIPHER
,
"rc4-40"
,
enc_main
},
#endif
#ifndef NO_RC2
{
FUNC_TYPE_CIPHER
,
"rc2"
,
enc_main
},
#endif
...
...
@@ -190,6 +196,12 @@ FUNCTION functions[] = {
#ifndef NO_RC2
{
FUNC_TYPE_CIPHER
,
"rc2-ofb"
,
enc_main
},
#endif
#ifndef NO_RC2
{
FUNC_TYPE_CIPHER
,
"rc2-64-cbc"
,
enc_main
},
#endif
#ifndef NO_RC2
{
FUNC_TYPE_CIPHER
,
"rc2-40-cbc"
,
enc_main
},
#endif
#ifndef NO_BF
{
FUNC_TYPE_CIPHER
,
"bf-cbc"
,
enc_main
},
#endif
...
...
This diff is collapsed.
Click to expand it.
apps/progs.pl
浏览文件 @
a0e9f529
...
...
@@ -50,13 +50,14 @@ foreach ("md2","md5","sha","sha1","mdc2","rmd160")
foreach
(
"
base64
",
"
des
",
"
des3
",
"
desx
",
"
idea
",
"
rc4
",
"
rc2
","
bf
","
cast
","
rc5
",
"
des
",
"
des3
",
"
desx
",
"
idea
",
"
rc4
",
"
rc4-64
",
"
rc4-40
",
"
rc2
",
"
bf
",
"
cast
",
"
rc5
",
"
des-ecb
",
"
des-ede
",
"
des-ede3
",
"
des-cbc
",
"
des-ede-cbc
","
des-ede3-cbc
",
"
des-cfb
",
"
des-ede-cfb
","
des-ede3-cfb
",
"
des-ofb
",
"
des-ede-ofb
","
des-ede3-ofb
",
"
idea-cbc
","
idea-ecb
",
"
idea-cfb
",
"
idea-ofb
",
"
rc2-cbc
",
"
rc2-ecb
",
"
rc2-cfb
",
"
rc2-ofb
",
"
rc2-cbc
",
"
rc2-ecb
",
"
rc2-cfb
","
rc2-ofb
",
"
rc2-64-cbc
",
"
rc2-40-cbc
",
"
bf-cbc
",
"
bf-ecb
",
"
bf-cfb
",
"
bf-ofb
",
"
cast5-cbc
","
cast5-ecb
",
"
cast5-cfb
","
cast5-ofb
",
"
cast-cbc
",
"
rc5-cbc
",
"
rc5-ecb
",
"
rc5-cfb
",
"
rc5-ofb
")
...
...
This diff is collapsed.
Click to expand it.
doc/man/enc.pod
0 → 100644
浏览文件 @
a0e9f529
=pod
=head1 NAME
enc - symmetric cipher routines
=head1 SYNOPSIS
B<openssl enc -ciphername>
[B<-in filename>]
[B<-out filename>]
[B<-e>]
[B<-d>]
[B<-a>]
[B<-A>]
[B<-k password>]
[B<-kfile filename>]
[B<-K key>]
[B<-iv IV>]
[B<-p>]
[B<-P>]
[B<-bufsize number>]
[B<-debug>]
=head1 DESCRIPTION
The symmetric cipher commands allow data to be encrytped or decrypted
using various block and stream ciphers using keys based on passwords
or explicitly provided. Base64 encoding or decoding can also be performed
either by itself or in addition to the encryption or decryption.
=head1 OPTIONS
=over 4
=item B<-in filename>
the input filename, standard input by default.
=item B<-out filename>
the output filename, standard output by default.
=item B<-e>
encrypt the input data: this is the default.
=item B<-d>
decrypt the input data.
=item B<-a>
base64 process the data. This means that if encryption is taking place
the data is base64 encoded after encryption. If decryption is set then
the input data is base64 decoded before being decrypted.
=item B<-A>
if the B<-a> option is set then base64 process the data on one line.
=item B<-k password>
the password to derive the key from.
=item B<-kfile filename>
read the password to derive the key from the first line of B<filename>
=item B<-K key>
the actual key to use: this must be represented as a string comprised only
of hex digits.
=item B<-iv IV>
the actual IV to use: this must be represented as a string comprised only
of hex digits.
=item B<-p>
print out the key and IV used.
=item B<-P>
print out the key and IV used then immediately exit: don't do any encryption
or decryption.
=item B<-bufsize number>
set the buffer size for I/O
=item B<-debug>
debug the BIOs used for I/O.
=back
=head1 NOTES
The program can be called either as B<openssl ciphername> or
B<openssl enc -ciphername>.
A password will be prompted for to derive the key and IV if necessary.
All the block ciphers use PKCS#5 padding also known as standard block
padding: this allows a rudimentary integrity or password check to be
performed. However since the chance of random data passing the test is
better than 1 in 256 it isn't a very good test.
All RC2 ciphers have the same key and effective key length.
Blowfish and RC5 algorithms use a 128 bit key.
=head1 SUPPORTED CIPHERS
base64 Base 64
bf-cbc Blowfish in CBC mode
bf Alias for bf-cbc
bf-cfb Blowish in CFB mode
bf-ecb Blowfish in ECB mode
bf-ofb Blowfish in OFB mode
cast-cbc CAST in CBC mode
cast Alias for cast-cbc
cast5-cbc CAST5 in CBC mode
cast5-cfb CAST5 in CFB mode
cast5-ecb CAST5 in ECB mode
cast5-ofb CAST5 in OFB mode
des-cbc DES in CBC mode
des Alias for des-cbc
des-cfb DES in CBC mode
des-ofb DES in OFB mode
des-ecb DES in ECB mode
des-ede-cbc Two key triple DES EDE in CBC mode
des-ede Alias for des-ede
des-ede-cfb Two key triple DES EDE in CFB mode
des-ede-ofb Two key triple DES EDE in OFB mode
des-ede3-cbc Three key triple DES EDE in CBC mode
des-ede3 Alias for des-ede3-cbc
des3 Alias for des-ede3-cbc
des-ede3-cfb Three key triple DES EDE CFB mode
des-ede3-ofb Three key triple DES EDE in OFB mode
desx DESX algorithm.
idea-cbc IDEA algorithm in CBC mode
idea same as idea-cbc
idea-cfb IDEA in CFB mode
idea-ecb IDEA in ECB mode
idea-ofb IDEA in OFB mode
rc2-cbc 128 bit RC2 in CBC mode
rc2 Alias for rc2-cbc
rc2-cfb 128 bit RC2 in CBC mode
rc2-ecb 128 bit RC2 in CBC mode
rc2-ofb 128 bit RC2 in CBC mode
rc2-64-cbc 64 bit RC2 in CBC mode
rc2-40-cbc 40 bit RC2 in CBC mode
rc4 128 bit RC4
rc4-64 64 bit RC4
rc4-40 40 bit RC4
rc5-cbc RC5 cipher in CBC mode
rc5 Alias for rc5-cbc
rc5-cfb RC5 cipher in CBC mode
rc5-ecb RC5 cipher in CBC mode
rc5-ofb RC5 cipher in CBC mode
=head1 EXAMPLES
To be added....
=head1 BUGS
The B<-A> option when used with large files doesn't work properly.
The key derivation algorithm used is compatible with the SSLeay algorithm. It
is not very good: it uses unsalted MD5. There should be an option to allow a
salt or iteration count to be included.
Like the EVP library the B<enc> program only supports a fixed number of
algorithms with certain parameters. So if, for example, you want to use RC2
with a 76 bit key or RC4 with an 84 bit key you can't use this program.
=cut
This diff is collapsed.
Click to expand it.
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