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path: root/security/nss/lib/softoken/padbuf.c
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Diffstat (limited to 'security/nss/lib/softoken/padbuf.c')
-rw-r--r--security/nss/lib/softoken/padbuf.c49
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;
-}