SecureTransport/privateInc/sslBER.h

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 /*
  20         File:           sslBER.h
  21
  22         Contains:       BER routines
  23
  24         Written by:     Doug Mitchell
  25
  26         Copyright: (c) 1999 by Apple Computer, Inc., all rights reserved.
  27
  28 */
  29
  30 #ifndef _SSL_BER_H_
  31 #define _SSL_BER_H_
  32
  33 #ifndef _SSL_PRIV_H_
  34 #include "sslPriv.h"
  35 #endif
  36
  37 #ifdef __cplusplus
  38 extern  "C" {
  39 #endif
  40
  41 /*
  42  * Given a PKCS-1 encoded RSA public key, extract the
  43  * modulus and public exponent.
  44  *
  45  * RSAPublicKey ::= SEQUENCE {
  46  *              modulus INTEGER, -- n
  47  *              publicExponent INTEGER -- e }
  48  */
  49
  50 OSStatus sslDecodeRsaBlob(
  51         const SSLBuffer *blob,                  /* PKCS-1 encoded */
  52         SSLBuffer               *modulus,               /* data mallocd and RETURNED */
  53         SSLBuffer               *exponent);             /* data mallocd and RETURNED */
  54
  55 /*
  56  * Given a raw modulus and exponent, cook up a
  57  * BER-encoded RSA public key blob.
  58  */
  59
  60 OSStatus sslEncodeRsaBlob(
  61         const SSLBuffer *modulus,
  62         const SSLBuffer *exponent,
  63         SSLBuffer               *blob);                 /* data mallocd and RETURNED */
  64
  65 /*
  66  * Given a DER encoded DHParameter, extract the prime and generator.
  67  * modulus and public exponent.
  68  */
  69 OSStatus sslDecodeDhParams(
  70         const SSLBuffer *blob,                  /* PKCS-1 encoded */
  71         SSLBuffer               *prime,                 /* data mallocd and RETURNED */
  72         SSLBuffer               *generator);    /* data mallocd and RETURNED */
  73
  74 /*
  75  * Given a prime and generator, cook up a BER-encoded DHParameter blob.
  76  */
  77 OSStatus sslEncodeDhParams(
  78         const SSLBuffer *prime,
  79         const SSLBuffer *generator,
  80         SSLBuffer               *blob);                 /* data mallocd and RETURNED */
  81
  82 #ifdef __cplusplus
  83 }
  84 #endif
  85
  86 #endif  /* _SSL_BER_H_ */