summaryrefslogtreecommitdiff
path: root/security/nss/lib/util/dersubr.c
diff options
context:
space:
mode:
Diffstat (limited to 'security/nss/lib/util/dersubr.c')
-rw-r--r--security/nss/lib/util/dersubr.c258
1 files changed, 0 insertions, 258 deletions
diff --git a/security/nss/lib/util/dersubr.c b/security/nss/lib/util/dersubr.c
deleted file mode 100644
index 555d5aff7..000000000
--- a/security/nss/lib/util/dersubr.c
+++ /dev/null
@@ -1,258 +0,0 @@
-/*
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is the Netscape security libraries.
- *
- * The Initial Developer of the Original Code is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1994-2000 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL"), in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your
- * version of this file only under the terms of the GPL and not to
- * allow others to use your version of this file under the MPL,
- * indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient
- * may use your version of this file under either the MPL or the
- * GPL.
- */
-
-#include "secder.h"
-#include <limits.h>
-#include "secerr.h"
-
-int
-DER_LengthLength(uint32 len)
-{
- if (len > 127) {
- if (len > 255) {
- if (len > 65535L) {
- if (len > 16777215L) {
- return 5;
- } else {
- return 4;
- }
- } else {
- return 3;
- }
- } else {
- return 2;
- }
- } else {
- return 1;
- }
-}
-
-unsigned char *
-DER_StoreHeader(unsigned char *buf, unsigned int code, uint32 len)
-{
- unsigned char b[4];
-
- b[0] = (len >> 24) & 0xff;
- b[1] = (len >> 16) & 0xff;
- b[2] = (len >> 8) & 0xff;
- b[3] = len & 0xff;
- if ((code & DER_TAGNUM_MASK) == DER_SET
- || (code & DER_TAGNUM_MASK) == DER_SEQUENCE)
- code |= DER_CONSTRUCTED;
- *buf++ = code;
- if (len > 127) {
- if (len > 255) {
- if (len > 65535) {
- if (len > 16777215) {
- *buf++ = 0x84;
- *buf++ = b[0];
- *buf++ = b[1];
- *buf++ = b[2];
- *buf++ = b[3];
- } else {
- *buf++ = 0x83;
- *buf++ = b[1];
- *buf++ = b[2];
- *buf++ = b[3];
- }
- } else {
- *buf++ = 0x82;
- *buf++ = b[2];
- *buf++ = b[3];
- }
- } else {
- *buf++ = 0x81;
- *buf++ = b[3];
- }
- } else {
- *buf++ = b[3];
- }
- return buf;
-}
-
-/*
- * XXX This should be rewritten, generalized, to take a long instead
- * of an int32.
- */
-SECStatus
-DER_SetInteger(PRArenaPool *arena, SECItem *it, int32 i)
-{
- unsigned char bb[4];
- unsigned len;
-
- bb[0] = (unsigned char) (i >> 24);
- bb[1] = (unsigned char) (i >> 16);
- bb[2] = (unsigned char) (i >> 8);
- bb[3] = (unsigned char) (i);
-
- /*
- ** Small integers are encoded in a single byte. Larger integers
- ** require progressively more space.
- */
- if (i < -128) {
- if (i < -32768L) {
- if (i < -8388608L) {
- len = 4;
- } else {
- len = 3;
- }
- } else {
- len = 2;
- }
- } else if (i > 127) {
- if (i > 32767L) {
- if (i > 8388607L) {
- len = 4;
- } else {
- len = 3;
- }
- } else {
- len = 2;
- }
- } else {
- len = 1;
- }
- it->data = (unsigned char*) PORT_ArenaAlloc(arena, len);
- if (!it->data) {
- return SECFailure;
- }
- it->len = len;
- PORT_Memcpy(it->data, bb + (4 - len), len);
- return SECSuccess;
-}
-
-/*
- * XXX This should be rewritten, generalized, to take an unsigned long instead
- * of a uint32.
- */
-SECStatus
-DER_SetUInteger(PRArenaPool *arena, SECItem *it, uint32 ui)
-{
- unsigned char bb[5];
- int len;
-
- bb[0] = 0;
- bb[1] = (unsigned char) (ui >> 24);
- bb[2] = (unsigned char) (ui >> 16);
- bb[3] = (unsigned char) (ui >> 8);
- bb[4] = (unsigned char) (ui);
-
- /*
- ** Small integers are encoded in a single byte. Larger integers
- ** require progressively more space.
- */
- if (ui > 0x7f) {
- if (ui > 0x7fff) {
- if (ui > 0x7fffffL) {
- if (ui >= 0x80000000L) {
- len = 5;
- } else {
- len = 4;
- }
- } else {
- len = 3;
- }
- } else {
- len = 2;
- }
- } else {
- len = 1;
- }
-
- it->data = (unsigned char *)PORT_ArenaAlloc(arena, len);
- if (it->data == NULL) {
- return SECFailure;
- }
-
- it->len = len;
- PORT_Memcpy(it->data, bb + (sizeof(bb) - len), len);
-
- return SECSuccess;
-}
-
-/*
-** Convert a der encoded *signed* integer into a machine integral value.
-** If an underflow/overflow occurs, sets error code and returns min/max.
-*/
-long
-DER_GetInteger(SECItem *it)
-{
- long ival = 0;
- unsigned len = it->len;
- unsigned char *cp = it->data;
- unsigned long overflow = 0xffL << ((sizeof(ival) - 1)*8);
-
- while (len) {
- if (ival & overflow) {
- PORT_SetError(SEC_ERROR_BAD_DER);
- if (ival < 0) {
- return LONG_MIN;
- }
- return LONG_MAX;
- }
- ival = ival << 8;
- ival |= *cp++;
- --len;
- }
- return ival;
-}
-
-/*
-** Convert a der encoded *unsigned* integer into a machine integral value.
-** If an underflow/overflow occurs, sets error code and returns min/max.
-*/
-unsigned long
-DER_GetUInteger(SECItem *it)
-{
- unsigned long ival = 0;
- unsigned len = it->len;
- unsigned char *cp = it->data;
- unsigned long overflow = 0xffL << ((sizeof(ival) - 1)*8);
-
- /* Cannot put a negative value into an unsigned container. */
- if (*cp & 0x80) {
- PORT_SetError(SEC_ERROR_BAD_DER);
- return 0;
- }
-
- while (len) {
- if (ival & overflow) {
- PORT_SetError(SEC_ERROR_BAD_DER);
- return ULONG_MAX;
- }
- ival = ival << 8;
- ival |= *cp++;
- --len;
- }
- return ival;
-}
View Lorry Controller Status