Mention aes in enc.pod.

[openssl.git] / doc / apps / enc.pod

diff --git a/doc/apps/enc.pod b/doc/apps/enc.pod
index 9323223cd251f976dc2f654bf41844229f87c361..4391c933600f1d0010ab691f0b44a9de6fcdd131 100644 (file)
--- a/doc/apps/enc.pod
+++ b/doc/apps/enc.pod
@@ -86,7 +86,7 @@ versions of OpenSSL. Superseded by the B<-pass> argument.
 =item B<-kfile filename>
 
 read the password to derive the key from the first line of B<filename>.
-This is for computability with previous versions of OpenSSL. Superseded by
+This is for compatibility with previous versions of OpenSSL. Superseded by
 the B<-pass> argument.
 
 =item B<-S salt>
@@ -97,12 +97,18 @@ of hex digits.
 =item B<-K key>
 
 the actual key to use: this must be represented as a string comprised only
-of hex digits.
+of hex digits. If only the key is specified, the IV must additionally specified
+using the B<-iv> option. When both a key and a password are specified, the
+key given with the B<-K> option will be used and the IV generated from the
+password will be taken. It probably does not make much sense to specify
+both key and password.
 
 =item B<-iv IV>
 
 the actual IV to use: this must be represented as a string comprised only
-of hex digits.
+of hex digits. When only the key is specified using the B<-K> option, the
+IV must explicitly be defined. When a password is being specified using
+one of the other options, the IV is generated from this password.
 
 =item B<-p>
 
@@ -154,7 +160,7 @@ 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.
 
-If padding is disabled then the input data must be a muliple of the cipher
+If padding is disabled then the input data must be a multiple of the cipher
 block length.
 
 All RC2 ciphers have the same key and effective key length.
@@ -185,12 +191,12 @@ Blowfish and RC5 algorithms use a 128 bit key.
  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            Two key triple DES EDE in ECB mode
  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
+ des-ede3           Three key triple DES EDE in ECB mode
  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
@@ -205,9 +211,9 @@ Blowfish and RC5 algorithms use a 128 bit key.
 
  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-cfb            128 bit RC2 in CFB mode
+ rc2-ecb            128 bit RC2 in ECB mode
+ rc2-ofb            128 bit RC2 in OFB mode
  rc2-64-cbc         64 bit RC2 in CBC mode
  rc2-40-cbc         40 bit RC2 in CBC mode
 
@@ -217,9 +223,17 @@ Blowfish and RC5 algorithms use a 128 bit key.
 
  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
+ rc5-cfb            RC5 cipher in CFB mode
+ rc5-ecb            RC5 cipher in ECB mode
+ rc5-ofb            RC5 cipher in OFB mode
+
+ aes-[128|192|256]-cbc 128/192/256 bit AES in CBC mode
+ aes-[128|192|256]     Alias for aes-[128|192|256]-cbc
+ aes-[128|192|256]-cfb 128/192/256 bit AES in 128 bit CFB mode
+ aes-[128|192|256]-cfb1        128/192/256 bit AES in 1 bit CFB mode
+ aes-[128|192|256]-cfb8        128/192/256 bit AES in 8 bit CFB mode
+ aes-[128|192|256]-ecb 128/192/256 bit AES in ECB mode
+ aes-[128|192|256]-ofb 128/192/256 bit AES in OFB mode
 
 =head1 EXAMPLES