| [9] | 1 | /* rijndael-api.h - Rijndael encryption programming interface.
|
|---|
| 2 | * Author: Kees J. Bot
|
|---|
| 3 | * 3 Nov 2000
|
|---|
| 4 | * Heavily based on the original API code by Antoon Bosselaers,
|
|---|
| 5 | * Vincent Rijmen, and Paulo Barreto, but with a different interface.
|
|---|
| 6 | *
|
|---|
| 7 | * This code (.h and .c) is in the public domain.
|
|---|
| 8 | */
|
|---|
| 9 |
|
|---|
| 10 | #ifndef _CRYPTO__RIJNDAEL_H
|
|---|
| 11 | #define _CRYPTO__RIJNDAEL_H
|
|---|
| 12 |
|
|---|
| 13 | /* Error codes. */
|
|---|
| 14 | #define RD_BAD_KEY_MAT -1 /* Key material not of correct length */
|
|---|
| 15 | #define RD_BAD_BLOCK_LENGTH -2 /* Data is not a block multiple */
|
|---|
| 16 | #define RD_BAD_DATA -3 /* Data contents are invalid (bad padding?) */
|
|---|
| 17 |
|
|---|
| 18 | /* Key information. */
|
|---|
| 19 | #define RD_KEY_HEX -1 /* Key is in hex (otherwise octet length) */
|
|---|
| 20 | #define RD_MAXROUNDS 14 /* Max number of encryption rounds. */
|
|---|
| 21 |
|
|---|
| 22 | typedef struct {
|
|---|
| 23 | int rounds; /* Key-length-dependent number of rounds */
|
|---|
| 24 | unsigned char encsched[RD_MAXROUNDS+1][4][4]; /* Encr key schedule */
|
|---|
| 25 | unsigned char decsched[RD_MAXROUNDS+1][4][4]; /* Decr key schedule */
|
|---|
| 26 | } rd_keyinstance;
|
|---|
| 27 |
|
|---|
| 28 | #define AES_BLOCKSIZE 16
|
|---|
| 29 |
|
|---|
| 30 | /* Function prototypes. */
|
|---|
| 31 |
|
|---|
| 32 | int rijndael_makekey(rd_keyinstance *_key,
|
|---|
| 33 | size_t _keylen, const void *_keymaterial);
|
|---|
| 34 |
|
|---|
| 35 | ssize_t rijndael_ecb_encrypt(rd_keyinstance *_key,
|
|---|
| 36 | const void *_input, void *_output, size_t _length, void *_dummyIV);
|
|---|
| 37 |
|
|---|
| 38 | ssize_t rijndael_ecb_decrypt(rd_keyinstance *_key,
|
|---|
| 39 | const void *_input, void *_output, size_t _length, void *_dummyIV);
|
|---|
| 40 |
|
|---|
| 41 | ssize_t rijndael_cbc_encrypt(rd_keyinstance *_key,
|
|---|
| 42 | const void *_input, void *_output, size_t _length, void *_IV);
|
|---|
| 43 |
|
|---|
| 44 | ssize_t rijndael_cbc_decrypt(rd_keyinstance *_key,
|
|---|
| 45 | const void *_input, void *_output, size_t _length, void *_IV);
|
|---|
| 46 |
|
|---|
| 47 | ssize_t rijndael_cfb1_encrypt(rd_keyinstance *_key,
|
|---|
| 48 | const void *_input, void *_output, size_t _length, void *_IV);
|
|---|
| 49 |
|
|---|
| 50 | ssize_t rijndael_cfb1_decrypt(rd_keyinstance *_key,
|
|---|
| 51 | const void *_input, void *_output, size_t _length, void *_IV);
|
|---|
| 52 |
|
|---|
| 53 | ssize_t rijndael_cfb8_encrypt(rd_keyinstance *_key,
|
|---|
| 54 | const void *_input, void *_output, size_t _length, void *_IV);
|
|---|
| 55 |
|
|---|
| 56 | ssize_t rijndael_cfb8_decrypt(rd_keyinstance *_key,
|
|---|
| 57 | const void *_input, void *_output, size_t _length, void *_IV);
|
|---|
| 58 |
|
|---|
| 59 | ssize_t rijndael_pad(void *_input, size_t _length);
|
|---|
| 60 |
|
|---|
| 61 | ssize_t rijndael_unpad(const void *_input, size_t _length);
|
|---|
| 62 |
|
|---|
| 63 | typedef ssize_t (*rd_function)(rd_keyinstance *_key,
|
|---|
| 64 | const void *_input, void *_output, size_t _length, void *_IV);
|
|---|
| 65 |
|
|---|
| 66 | #ifdef INTERMEDIATE_VALUE_KAT
|
|---|
| 67 |
|
|---|
| 68 | void cipherEncryptUpdateRounds(rd_keyinstance *key,
|
|---|
| 69 | const void *input, void *output, int rounds);
|
|---|
| 70 |
|
|---|
| 71 | void cipherDecryptUpdateRounds(rd_keyinstance *key,
|
|---|
| 72 | const void *input, void *output, int rounds);
|
|---|
| 73 |
|
|---|
| 74 | #endif /* INTERMEDIATE_VALUE_KAT */
|
|---|
| 75 |
|
|---|
| 76 | #endif /* _CRYPTO__RIJNDAEL_H */
|
|---|
| 77 |
|
|---|
| 78 | /*
|
|---|
| 79 | * $PchId: rijndael.h,v 1.1 2005/06/01 10:13:45 philip Exp $
|
|---|
| 80 | */
|
|---|
