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- Changed the defined key-length of DES ciphers in cipher.h to include the parity bits, to prevent mistakes in copying data. (Closes ticket #33)

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Paul Bakker
2011-11-15 15:38:45 +00:00
parent 1fe7d9baf9
commit 5e18aed436
2 changed files with 10 additions and 7 deletions
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15
include/polarssl/cipher.h
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@@ -96,12 +96,12 @@ typedef enum {
enum {
/** Undefined key length */
POLARSSL_KEY_LENGTH_NONE = 0,
/** Key length, in bits, for DES keys */
POLARSSL_KEY_LENGTH_DES = 56,
/** Key length, in bits, for DES in two key EDE */
POLARSSL_KEY_LENGTH_DES_EDE = 112,
/** Key length, in bits, for DES in three-key EDE */
POLARSSL_KEY_LENGTH_DES_EDE3 = 168,
/** Key length, in bits (including parity), for DES keys */
POLARSSL_KEY_LENGTH_DES = 64,
/** Key length, in bits (including parity), for DES in two key EDE */
POLARSSL_KEY_LENGTH_DES_EDE = 128,
/** Key length, in bits (including parity), for DES in three-key EDE */
POLARSSL_KEY_LENGTH_DES_EDE3 = 192,
/** Maximum length of any IV, in bytes */
POLARSSL_MAX_IV_LENGTH = 16,
};
@@ -150,7 +150,8 @@ typedef struct {
/** Cipher mode (e.g. POLARSSL_MODE_CBC) */
cipher_mode_t mode;
/** Cipher key length, in bits (default length for variable sized ciphers) */
/** Cipher key length, in bits (default length for variable sized ciphers)
* (Includes parity bits for ciphers like DES) */
unsigned int key_length;
/** Name of the cipher */