diff options
Diffstat (limited to 'security/nss/lib/softoken/padbuf.c')
-rw-r--r-- | security/nss/lib/softoken/padbuf.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/security/nss/lib/softoken/padbuf.c b/security/nss/lib/softoken/padbuf.c deleted file mode 100644 index 549fdeab7..000000000 --- a/security/nss/lib/softoken/padbuf.c +++ /dev/null @@ -1,49 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ -#include "blapit.h" -#include "secport.h" -#include "secerr.h" - -/* - * Prepare a buffer for any padded CBC encryption algorithm, growing to the - * appropriate boundary and filling with the appropriate padding. - * blockSize must be a power of 2. - * - * NOTE: If arena is non-NULL, we re-allocate from there, otherwise - * we assume (and use) XP memory (re)allocation. - */ -unsigned char * -CBC_PadBuffer(PRArenaPool *arena, unsigned char *inbuf, unsigned int inlen, - unsigned int *outlen, int blockSize) -{ - unsigned char *outbuf; - unsigned int des_len; - unsigned int i; - unsigned char des_pad_len; - - /* - * We need from 1 to blockSize bytes -- we *always* grow. - * The extra bytes contain the value of the length of the padding: - * if we have 2 bytes of padding, then the padding is "0x02, 0x02". - */ - des_len = (inlen + blockSize) & ~(blockSize - 1); - - if (arena != NULL) { - outbuf = (unsigned char*)PORT_ArenaGrow (arena, inbuf, inlen, des_len); - } else { - outbuf = (unsigned char*)PORT_Realloc (inbuf, des_len); - } - - if (outbuf == NULL) { - PORT_SetError (SEC_ERROR_NO_MEMORY); - return NULL; - } - - des_pad_len = des_len - inlen; - for (i = inlen; i < des_len; i++) - outbuf[i] = des_pad_len; - - *outlen = des_len; - return outbuf; -} |