The Tor Browser: security/nss/lib/freebl/arcfive.c@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * arcfive.c - stubs for RC5 - NOT a working implementation!

     3  *

     4  * This Source Code Form is subject to the terms of the Mozilla Public

     5  * License, v. 2.0. If a copy of the MPL was not distributed with this

     6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     8 #ifdef FREEBL_NO_DEPEND

     9 #include "stubs.h"

    10 #endif

    12 #include "blapi.h"

    13 #include "prerror.h"

    15 /******************************************/

    16 /*

    17 ** RC5 symmetric block cypher -- 64-bit block size

    18 */

    20 /*

    21 ** Create a new RC5 context suitable for RC5 encryption/decryption.

    22 **      "key" raw key data

    23 **      "len" the number of bytes of key data

    24 **      "iv" is the CBC initialization vector (if mode is NSS_RC5_CBC)

    25 **      "mode" one of NSS_RC5 or NSS_RC5_CBC

    26 **

    27 ** When mode is set to NSS_RC5_CBC the RC5 cipher is run in "cipher block

    28 ** chaining" mode.

    29 */

    30 RC5Context *

    31 RC5_CreateContext(const SECItem *key, unsigned int rounds,

    32                   unsigned int wordSize, const unsigned char *iv, int mode)

    33 {

    34     PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);

    35     return NULL;

    36 }

    38 /*

    39 ** Destroy an RC5 encryption/decryption context.

    40 **      "cx" the context

    41 **      "freeit" if PR_TRUE then free the object as well as its sub-objects

    42 */

    43 void

    44 RC5_DestroyContext(RC5Context *cx, PRBool freeit)

    45 {

    46     PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);

    47 }

    49 /*

    50 ** Perform RC5 encryption.

    51 **      "cx" the context

    52 **      "output" the output buffer to store the encrypted data.

    53 **      "outputLen" how much data is stored in "output". Set by the routine

    54 **         after some data is stored in output.

    55 **      "maxOutputLen" the maximum amount of data that can ever be

    56 **         stored in "output"

    57 **      "input" the input data

    58 **      "inputLen" the amount of input data

    59 */

    60 SECStatus

    61 RC5_Encrypt(RC5Context *cx, unsigned char *output, unsigned int *outputLen,

    62 	    unsigned int maxOutputLen,

    63 	    const unsigned char *input, unsigned int inputLen)

    64 {

    65     PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);

    66     return SECFailure;

    67 }

    69 /*

    70 ** Perform RC5 decryption.

    71 **      "cx" the context

    72 **      "output" the output buffer to store the decrypted data.

    73 **      "outputLen" how much data is stored in "output". Set by the routine

    74 **         after some data is stored in output.

    75 **      "maxOutputLen" the maximum amount of data that can ever be

    76 **         stored in "output"

    77 **      "input" the input data

    78 **      "inputLen" the amount of input data

    79 */

    80 SECStatus

    81 RC5_Decrypt(RC5Context *cx, unsigned char *output, unsigned int *outputLen,

    82 	    unsigned int maxOutputLen,

    83             const unsigned char *input, unsigned int inputLen)

    84 {

    85     PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);

    86     return SECFailure;

    87 }

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