openssl-enc.pod.in - OpenGrok cross reference for /openssl/doc/man1/openssl-enc.pod.in

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101 When the B<-A> option not given,
111 If the B<-a> option is set then base64 encoding produces output without any
113 Therefore it can be helpful to use the B<-A> option when decoding unknown input.
135 This option enables the use of PBKDF2 algorithm to derive the key.
140 unless otherwise specified by the B<-iter> command line option.
144 Set the salt length to use when using the B<-pbkdf2> option.
147 If the B<-pbkdf2> option is not used, then this option is ignored
153 Don't use a salt in the key derivation routines. This option B<SHOULD NOT> be
159 Use salt (randomly generated or provide with B<-S> option) when
165 If this option is used while encrypting, the same exact value will be needed
173 using the B<-iv> option. When both a key and a password are specified, the
174 key given with the B<-K> option will be used and the IV generated from the
181 of hex digits. When only the key is specified using the B<-K> option, the
213 decryption. This option exists only if OpenSSL was compiled with the zlib
214 or zlib-dynamic option.
239 option can only be used for hardware-assisted implementations of
248 The B<-salt> option should B<ALWAYS> be used if the key is being derived
252 Without the B<-salt> option it is possible to perform efficient dictionary
258 passphrase without explicit salt given using B<-S> option), the first bytes
277 Please note that OpenSSL 3.0 changed the effect of the B<-S> option.
278 Any explicit salt value specified via this option is no longer prepended to the
280 Conversely, when the B<-S> option is used during decryption, the ciphertext
284 explicit salt under OpenSSL 1.1.1 do not use the B<-S> option, the salt will
287 the B<-S> option, the salt will be then be generated randomly and prepended
295 with the B<-list> option (that is C<openssl enc -list>) is
471 The B<-A> option when used with large files doesn't work properly.
472 On the other hand, when base64 decoding without the B<-A> option,
484 The B<-list> option was added in OpenSSL 1.1.1e.
488 The B<-saltlen> option was added in OpenSSL 3.2.