security/nss/lib/freebl/arcfive.c

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /*
michael@0 2 * arcfive.c - stubs for RC5 - NOT a working implementation!
michael@0 3 *
michael@0 4 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 5 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 7
michael@0 8 #ifdef FREEBL_NO_DEPEND
michael@0 9 #include "stubs.h"
michael@0 10 #endif
michael@0 11
michael@0 12 #include "blapi.h"
michael@0 13 #include "prerror.h"
michael@0 14
michael@0 15 /******************************************/
michael@0 16 /*
michael@0 17 ** RC5 symmetric block cypher -- 64-bit block size
michael@0 18 */
michael@0 19
michael@0 20 /*
michael@0 21 ** Create a new RC5 context suitable for RC5 encryption/decryption.
michael@0 22 ** "key" raw key data
michael@0 23 ** "len" the number of bytes of key data
michael@0 24 ** "iv" is the CBC initialization vector (if mode is NSS_RC5_CBC)
michael@0 25 ** "mode" one of NSS_RC5 or NSS_RC5_CBC
michael@0 26 **
michael@0 27 ** When mode is set to NSS_RC5_CBC the RC5 cipher is run in "cipher block
michael@0 28 ** chaining" mode.
michael@0 29 */
michael@0 30 RC5Context *
michael@0 31 RC5_CreateContext(const SECItem *key, unsigned int rounds,
michael@0 32 unsigned int wordSize, const unsigned char *iv, int mode)
michael@0 33 {
michael@0 34 PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
michael@0 35 return NULL;
michael@0 36 }
michael@0 37
michael@0 38 /*
michael@0 39 ** Destroy an RC5 encryption/decryption context.
michael@0 40 ** "cx" the context
michael@0 41 ** "freeit" if PR_TRUE then free the object as well as its sub-objects
michael@0 42 */
michael@0 43 void
michael@0 44 RC5_DestroyContext(RC5Context *cx, PRBool freeit)
michael@0 45 {
michael@0 46 PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
michael@0 47 }
michael@0 48
michael@0 49 /*
michael@0 50 ** Perform RC5 encryption.
michael@0 51 ** "cx" the context
michael@0 52 ** "output" the output buffer to store the encrypted data.
michael@0 53 ** "outputLen" how much data is stored in "output". Set by the routine
michael@0 54 ** after some data is stored in output.
michael@0 55 ** "maxOutputLen" the maximum amount of data that can ever be
michael@0 56 ** stored in "output"
michael@0 57 ** "input" the input data
michael@0 58 ** "inputLen" the amount of input data
michael@0 59 */
michael@0 60 SECStatus
michael@0 61 RC5_Encrypt(RC5Context *cx, unsigned char *output, unsigned int *outputLen,
michael@0 62 unsigned int maxOutputLen,
michael@0 63 const unsigned char *input, unsigned int inputLen)
michael@0 64 {
michael@0 65 PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
michael@0 66 return SECFailure;
michael@0 67 }
michael@0 68
michael@0 69 /*
michael@0 70 ** Perform RC5 decryption.
michael@0 71 ** "cx" the context
michael@0 72 ** "output" the output buffer to store the decrypted data.
michael@0 73 ** "outputLen" how much data is stored in "output". Set by the routine
michael@0 74 ** after some data is stored in output.
michael@0 75 ** "maxOutputLen" the maximum amount of data that can ever be
michael@0 76 ** stored in "output"
michael@0 77 ** "input" the input data
michael@0 78 ** "inputLen" the amount of input data
michael@0 79 */
michael@0 80 SECStatus
michael@0 81 RC5_Decrypt(RC5Context *cx, unsigned char *output, unsigned int *outputLen,
michael@0 82 unsigned int maxOutputLen,
michael@0 83 const unsigned char *input, unsigned int inputLen)
michael@0 84 {
michael@0 85 PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
michael@0 86 return SECFailure;
michael@0 87 }
michael@0 88

mercurial