DES_is_weak_key

Test whether a DES key is one of the known weak or semi-weak keys (deprecated).

Synopsis

Declared in <openssl/des.h>

[[deprecated]]
int
DES_is_weak_key(const_DES_cblock* key);

WARNING

Deprecated. Use of this entity is allowed but discouraged.

Return Value

1 if key is weak or semi-weak, or 0 otherwise.

Parameters

NameDescription
keyEight-byte DES key to check.