javax.crypto.spec.DESKeySpec
This class specifies a DES key.
This class specifies a DES key.
*-des-key-lenclj
Static Constant.
The constant which defines the length of a DES key in bytes.
type: int
Static Constant. The constant which defines the length of a DES key in bytes. type: int
*parity-adjusted?clj
(*parity-adjusted? key offset)Checks if the given DES key material, starting at offset inclusive, is parity-adjusted.
key - the buffer with the DES key material. - byte[]
offset - the offset in key, where the DES key material starts. - int
returns: true if the given DES key material is parity-adjusted, false
otherwise. - boolean
throws: java.security.InvalidKeyException - if the given key material is null, or starting at offset inclusive, is shorter than 8 bytes.
Checks if the given DES key material, starting at offset inclusive, is parity-adjusted. key - the buffer with the DES key material. - `byte[]` offset - the offset in key, where the DES key material starts. - `int` returns: true if the given DES key material is parity-adjusted, false otherwise. - `boolean` throws: java.security.InvalidKeyException - if the given key material is null, or starting at offset inclusive, is shorter than 8 bytes.
*weak?clj
(*weak? key offset)Checks if the given DES key material is weak or semi-weak.
key - the buffer with the DES key material. - byte[]
offset - the offset in key, where the DES key material starts. - int
returns: true if the given DES key material is weak or semi-weak, false
otherwise. - boolean
throws: java.security.InvalidKeyException - if the given key material is null, or starting at offset inclusive, is shorter than 8 bytes.
Checks if the given DES key material is weak or semi-weak. key - the buffer with the DES key material. - `byte[]` offset - the offset in key, where the DES key material starts. - `int` returns: true if the given DES key material is weak or semi-weak, false otherwise. - `boolean` throws: java.security.InvalidKeyException - if the given key material is null, or starting at offset inclusive, is shorter than 8 bytes.
->des-key-specclj
(->des-key-spec key)(->des-key-spec key offset)Constructor.
Creates a DESKeySpec object using the first 8 bytes in key, beginning at offset inclusive, as the key material for the DES key.
The bytes that constitute the DES key are those between key[offset] and key[offset+7] inclusive.
key - the buffer with the DES key material. The first 8 bytes of the buffer beginning at offset inclusive are copied to protect against subsequent modification. - byte[]
offset - the offset in key, where the DES key material starts. - int
throws: java.lang.NullPointerException - if the given key material is null
Constructor. Creates a DESKeySpec object using the first 8 bytes in key, beginning at offset inclusive, as the key material for the DES key. The bytes that constitute the DES key are those between key[offset] and key[offset+7] inclusive. key - the buffer with the DES key material. The first 8 bytes of the buffer beginning at offset inclusive are copied to protect against subsequent modification. - `byte[]` offset - the offset in key, where the DES key material starts. - `int` throws: java.lang.NullPointerException - if the given key material is null
get-keyclj
(get-key this)Returns the DES key material.
returns: the DES key material. Returns a new array
each time this method is called. - byte[]
Returns the DES key material. returns: the DES key material. Returns a new array each time this method is called. - `byte[]`
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