1 files changed, 0 insertions, 166 deletions
diff --git a/gpxe/src/crypto/asn1.c b/gpxe/src/crypto/asn1.c
deleted file mode 100644
index 154a8a84..00000000
--- a/gpxe/src/crypto/asn1.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-#include <stdint.h>
-#include <stddef.h>
-#include <errno.h>
-#include <gpxe/asn1.h>
-
-/** @file
- *
- * ASN.1 encoding
- *
- */
-
-/**
- * Start parsing ASN.1 object
- *
- * @v cursor		ASN.1 object cursor
- * @v type		Expected type
- * @ret len		Length of object body, or negative error
- *
- * The object cursor will be updated to point to the start of the
- * object body (i.e. the first byte following the length byte(s)), and
- * the length of the object body (i.e. the number of bytes until the
- * following object tag, if any) is returned.
- *
- * If any error occurs (i.e. if the object is not of the expected
- * type, or if we overflow beyond the end of the ASN.1 object), then
- * the cursor will be invalidated and a negative value will be
- * returned.
- */
-static int asn1_start ( struct asn1_cursor *cursor,
-			       unsigned int type ) {
-	unsigned int len_len;
-	unsigned int len;
-	int rc;
-
-	/* Sanity check */
-	if ( cursor->len < 2 /* Tag byte and first length byte */ ) {
-		if ( cursor->len )
-			DBGC ( cursor, "ASN1 %p too short\n", cursor );
-		rc = -EINVAL;
-		goto notfound;
-	}
-
-	/* Check the tag byte */
-	if ( *( ( uint8_t * ) cursor->data ) != type ) {
-		DBGC ( cursor, "ASN1 %p type mismatch (expected %d, got %d)\n",
-		       cursor, type, *( ( uint8_t * ) cursor->data ) );
-		rc = -ENXIO;
-		goto notfound;
-	}
-	cursor->data++;
-	cursor->len--;
-
-	/* Extract length of the length field and sanity check */
-	len_len = *( ( uint8_t * ) cursor->data );
-	if ( len_len & 0x80 ) {
-		len_len = ( len_len & 0x7f );
-		cursor->data++;
-		cursor->len--;
-	} else {
-		len_len = 1;
-	}
-	if ( cursor->len < len_len ) {
-		DBGC ( cursor, "ASN1 %p bad length field length %d (max "
-		       "%zd)\n", cursor, len_len, cursor->len );
-		rc = -EINVAL;
-		goto notfound;
-	}
-
-	/* Extract the length and sanity check */
-	for ( len = 0 ; len_len ; len_len-- ) {
-		len <<= 8;
-		len |= *( ( uint8_t * ) cursor->data );
-		cursor->data++;
-		cursor->len--;
-	}
-	if ( cursor->len < len ) {
-		DBGC ( cursor, "ASN1 %p bad length %d (max %zd)\n",
-		       cursor, len, cursor->len );
-		rc = -EINVAL;
-		goto notfound;
-	}
-
-	return len;
-
- notfound:
-	cursor->data = NULL;
-	cursor->len = 0;
-	return rc;
-}
-
-/**
- * Enter ASN.1 object
- *
- * @v cursor		ASN.1 object cursor
- * @v type		Expected type
- * @ret rc		Return status code
- *
- * The object cursor will be updated to point to the body of the
- * current ASN.1 object.  If any error occurs, the object cursor will
- * be invalidated.
- */
-int asn1_enter ( struct asn1_cursor *cursor, unsigned int type ) {
-	int len;
-
-	len = asn1_start ( cursor, type );
-	if ( len < 0 )
-		return len;
-
-	cursor->len = len;
-	DBGC ( cursor, "ASN1 %p entered object type %02x (len %x)\n",
-	       cursor, type, len );
-
-	return 0;
-}
-
-/**
- * Skip ASN.1 object
- *
- * @v cursor		ASN.1 object cursor
- * @v type		Expected type
- * @ret rc		Return status code
- *
- * The object cursor will be updated to point to the next ASN.1
- * object.  If any error occurs, the object cursor will be
- * invalidated.
- */
-int asn1_skip ( struct asn1_cursor *cursor, unsigned int type ) {
-	int len;
-
-	len = asn1_start ( cursor, type );
-	if ( len < 0 )
-		return len;
-
-	cursor->data += len;
-	cursor->len -= len;
-	DBGC ( cursor, "ASN1 %p skipped object type %02x (len %x)\n",
-	       cursor, type, len );
-
-	if ( ! cursor->len ) {
-		DBGC ( cursor, "ASN1 %p reached end of object\n", cursor );
-		cursor->data = NULL;
-		return -ENOENT;
-	}
-
-	return 0;
-}