1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/MYASN1Object.h	Wed Jun 03 17:20:53 2009 -0700
     1.3 @@ -0,0 +1,63 @@
     1.4 +//
     1.5 +//  MYASN1Object.h
     1.6 +//  MYCrypto-iPhone
     1.7 +//
     1.8 +//  Created by Jens Alfke on 5/28/09.
     1.9 +//  Copyright 2009 Jens Alfke. All rights reserved.
    1.10 +//
    1.11 +
    1.12 +#import <Foundation/Foundation.h>
    1.13 +
    1.14 +
    1.15 +/** A generic ASN.1 data value. The BER parser instantiates these to represent parsed values that
    1.16 +    it doesn't know how to represent otherwise. */
    1.17 +@interface MYASN1Object : NSObject
    1.18 +{
    1.19 +    @private
    1.20 +    uint32_t _tag;
    1.21 +    uint8_t _tagClass;
    1.22 +    BOOL _constructed;
    1.23 +    NSData *_value;
    1.24 +    NSArray *_components;
    1.25 +}
    1.26 +
    1.27 +- (id) initWithTag: (uint32_t)tag
    1.28 +           ofClass: (uint8_t)tagClass 
    1.29 +       constructed: (BOOL)constructed
    1.30 +             value: (NSData*)value;
    1.31 +- (id) initWithTag: (uint32_t)tag
    1.32 +           ofClass: (uint8_t)tagClass 
    1.33 +        components: (NSArray*)components;
    1.34 +
    1.35 +@property (readonly) uint32_t tag;
    1.36 +@property (readonly) uint8_t tagClass;
    1.37 +@property (readonly) BOOL constructed;
    1.38 +@property (readonly) NSData *value;
    1.39 +@property (readonly) NSArray *components;
    1.40 +
    1.41 ++ (NSString*) dump: (id)object;
    1.42 +
    1.43 +@end
    1.44 +
    1.45 +
    1.46 +/** An ASN.1 "big" (arbitrary-length) integer.
    1.47 +    The value contains the bytes of the integer, in big-endian order. */
    1.48 +@interface MYASN1BigInteger : MYASN1Object
    1.49 +@end
    1.50 +
    1.51 +
    1.52 +/** An ordered string of bits, as used in ASN.1.
    1.53 +    This differs from NSData in that it need not occupy a whole number of bytes;
    1.54 +    that is, the number of bits need not be a multiple of 8. */
    1.55 +@interface MYBitString : NSObject 
    1.56 +{
    1.57 +    NSData *_bits;
    1.58 +    NSUInteger _bitCount;
    1.59 +}
    1.60 +
    1.61 +- (id)initWithBits: (NSData*)bits count: (NSUInteger)bitCount;
    1.62 +
    1.63 +@property (readonly, nonatomic) NSData *bits;
    1.64 +@property (readonly, nonatomic) NSUInteger bitCount;
    1.65 +
    1.66 +@end