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remove compatibility notes that no longer apply

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This commit is contained in:
Ulf Möller 2001-10-25 17:45:25 +00:00
parent 5f68c5feef
commit a41477f92e
1 changed files with 6 additions and 7 deletions
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doc/crypto/des.pod
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@ -116,8 +116,7 @@ the key; it is used to speed the encryption process.
DES_random_key() generates a random key. The PRNG must be seeded DES_random_key() generates a random key. The PRNG must be seeded
prior to using this function (see L<rand(3)|rand(3)>). If the PRNG prior to using this function (see L<rand(3)|rand(3)>). If the PRNG
could not generate a secure key, 0 is returned. In earlier versions could not generate a secure key, 0 is returned.
of the library, DES_random_key() did not generate secure keys.
Before a DES key can be used, it must be converted into the Before a DES key can be used, it must be converted into the
architecture dependent I<DES_key_schedule> via the architecture dependent I<DES_key_schedule> via the
@ -128,14 +127,13 @@ and is not a week or semi-weak key. If the parity is wrong, then -1
is returned. If the key is a weak key, then -2 is returned. If an is returned. If the key is a weak key, then -2 is returned. If an
error is returned, the key schedule is not generated. error is returned, the key schedule is not generated.
DES_set_key() (called DES_key_sched() in the MIT library) works like DES_set_key() works like
DES_set_key_checked() if the I<DES_check_key> flag is non-zero, DES_set_key_checked() if the I<DES_check_key> flag is non-zero,
otherwise like DES_set_key_unchecked(). These functions are available otherwise like DES_set_key_unchecked(). These functions are available
for compatibility; it is recommended to use a function that does not for compatibility; it is recommended to use a function that does not
depend on a global variable. depend on a global variable.
DES_set_odd_parity() (called DES_fixup_key_parity() in the MIT DES_set_odd_parity() sets the parity of the passed I<key> to odd.
library) sets the parity of the passed I<key> to odd.
DES_is_weak_key() returns 1 is the passed key is a weak key, 0 if it DES_is_weak_key() returns 1 is the passed key is a weak key, 0 if it
is ok. The probability that a randomly generated key is weak is is ok. The probability that a randomly generated key is weak is
@ -326,8 +324,9 @@ crypt(3), L<des_modes(7)|des_modes(7)>, L<evp(3)|evp(3)>, L<rand(3)|rand(3)>
In OpenSSL 0.9.7, all des_ functions were renamed to DES_ to avoid In OpenSSL 0.9.7, all des_ functions were renamed to DES_ to avoid
clashes with older versions of libdes. Compatibility des_ functions clashes with older versions of libdes. Compatibility des_ functions
are provided for a short while, as well as crypt(). are provided for a short while, as well as crypt().
Declarations for these are in <openssl/des_old.h>. des_random_seed() Declarations for these are in <openssl/des_old.h>. There is no DES_
is were not kept as DES_ variants. This will happen to other functions variant for des_random_seed().
This will happen to other functions
as well if they are deemed redundant (des_random_seed() just calls as well if they are deemed redundant (des_random_seed() just calls
RAND_seed() and is present for backward compatibility only), buggy or RAND_seed() and is present for backward compatibility only), buggy or
already scheduled for removal. already scheduled for removal.