gecko-dev/security/nss/lib/freebl/blapit.h
wtchang%redhat.com 68708d13f4 Bugzilla Bug 298520: moved the RSA maximum size macros from rsa.c to
blapit.h.  Removed an out-of-date comment from blapit.h. r=nelsonb.
Modified files: blapit.h rsa.c
2006-05-22 22:10:40 +00:00

373 lines
11 KiB
C

/*
* blapit.h - public data structures for the crypto library
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Dr Vipul Gupta <vipul.gupta@sun.com> and
* Douglas Stebila <douglas@stebila.ca>, Sun Microsystems Laboratories
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* $Id: blapit.h,v 1.19 2006/05/22 22:10:40 wtchang%redhat.com Exp $ */
#ifndef _BLAPIT_H_
#define _BLAPIT_H_
#include "seccomon.h"
#include "prlink.h"
#include "plarena.h"
#include "ecl-exp.h"
/* RC2 operation modes */
#define NSS_RC2 0
#define NSS_RC2_CBC 1
/* RC5 operation modes */
#define NSS_RC5 0
#define NSS_RC5_CBC 1
/* DES operation modes */
#define NSS_DES 0
#define NSS_DES_CBC 1
#define NSS_DES_EDE3 2
#define NSS_DES_EDE3_CBC 3
#define DES_KEY_LENGTH 8 /* Bytes */
/* AES operation modes */
#define NSS_AES 0
#define NSS_AES_CBC 1
#define DSA_SIGNATURE_LEN 40 /* Bytes */
#define DSA_SUBPRIME_LEN 20 /* Bytes */
/* XXX We shouldn't have to hard code this limit. For
* now, this is the quickest way to support ECDSA signature
* processing (ECDSA signature lengths depend on curve
* size). This limit is sufficient for curves upto
* 576 bits.
*/
#define MAX_ECKEY_LEN 72 /* Bytes */
/*
* Number of bytes each hash algorithm produces
*/
#define MD2_LENGTH 16 /* Bytes */
#define MD5_LENGTH 16 /* Bytes */
#define SHA1_LENGTH 20 /* Bytes */
#define SHA256_LENGTH 32 /* bytes */
#define SHA384_LENGTH 48 /* bytes */
#define SHA512_LENGTH 64 /* bytes */
#define HASH_LENGTH_MAX SHA512_LENGTH
/*
* Input block size for each hash algorithm.
*/
#define MD2_BLOCK_LENGTH 64 /* bytes */
#define MD5_BLOCK_LENGTH 64 /* bytes */
#define SHA1_BLOCK_LENGTH 64 /* bytes */
#define SHA256_BLOCK_LENGTH 64 /* bytes */
#define SHA384_BLOCK_LENGTH 128 /* bytes */
#define SHA512_BLOCK_LENGTH 128 /* bytes */
#define HASH_BLOCK_LENGTH_MAX SHA512_BLOCK_LENGTH
#define AES_KEY_WRAP_IV_BYTES 8
#define AES_KEY_WRAP_BLOCK_SIZE 8 /* bytes */
#define AES_BLOCK_SIZE 16 /* bytes */
#define NSS_FREEBL_DEFAULT_CHUNKSIZE 2048
/*
* These values come from the initial key size limits from the PKCS #11
* module. They may be arbitrarily adjusted to any value freebl supports.
*/
#define RSA_MIN_MODULUS_BITS 128
#define RSA_MAX_MODULUS_BITS 8192
#define RSA_MAX_EXPONENT_BITS 64
#define DH_MIN_P_BITS 128
#define DH_MAX_P_BITS 2236
/*
* The FIPS 186 algorithm for generating primes P and Q allows only 9
* distinct values for the length of P, and only one value for the
* length of Q.
* The algorithm uses a variable j to indicate which of the 9 lengths
* of P is to be used.
* The following table relates j to the lengths of P and Q in bits.
*
* j bits in P bits in Q
* _ _________ _________
* 0 512 160
* 1 576 160
* 2 640 160
* 3 704 160
* 4 768 160
* 5 832 160
* 6 896 160
* 7 960 160
* 8 1024 160
*
* The FIPS-186 compliant PQG generator takes j as an input parameter.
*/
#define DSA_Q_BITS 160
#define DSA_MAX_P_BITS 1024
#define DSA_MIN_P_BITS 512
/*
* function takes desired number of bits in P,
* returns index (0..8) or -1 if number of bits is invalid.
*/
#define PQG_PBITS_TO_INDEX(bits) \
(((bits) < 512 || (bits) > 1024 || (bits) % 64) ? \
-1 : (int)((bits)-512)/64)
/*
* function takes index (0-8)
* returns number of bits in P for that index, or -1 if index is invalid.
*/
#define PQG_INDEX_TO_PBITS(j) (((unsigned)(j) > 8) ? -1 : (512 + 64 * (j)))
/***************************************************************************
** Opaque objects
*/
struct DESContextStr ;
struct RC2ContextStr ;
struct RC4ContextStr ;
struct RC5ContextStr ;
struct AESContextStr ;
struct MD2ContextStr ;
struct MD5ContextStr ;
struct SHA1ContextStr ;
struct SHA256ContextStr ;
struct SHA512ContextStr ;
struct AESKeyWrapContextStr ;
typedef struct DESContextStr DESContext;
typedef struct RC2ContextStr RC2Context;
typedef struct RC4ContextStr RC4Context;
typedef struct RC5ContextStr RC5Context;
typedef struct AESContextStr AESContext;
typedef struct MD2ContextStr MD2Context;
typedef struct MD5ContextStr MD5Context;
typedef struct SHA1ContextStr SHA1Context;
typedef struct SHA256ContextStr SHA256Context;
typedef struct SHA512ContextStr SHA512Context;
/* SHA384Context is really a SHA512ContextStr. This is not a mistake. */
typedef struct SHA512ContextStr SHA384Context;
typedef struct AESKeyWrapContextStr AESKeyWrapContext;
/***************************************************************************
** RSA Public and Private Key structures
*/
/* member names from PKCS#1, section 7.1 */
struct RSAPublicKeyStr {
PRArenaPool * arena;
SECItem modulus;
SECItem publicExponent;
};
typedef struct RSAPublicKeyStr RSAPublicKey;
/* member names from PKCS#1, section 7.2 */
struct RSAPrivateKeyStr {
PRArenaPool * arena;
SECItem version;
SECItem modulus;
SECItem publicExponent;
SECItem privateExponent;
SECItem prime1;
SECItem prime2;
SECItem exponent1;
SECItem exponent2;
SECItem coefficient;
};
typedef struct RSAPrivateKeyStr RSAPrivateKey;
/***************************************************************************
** DSA Public and Private Key and related structures
*/
struct PQGParamsStr {
PRArenaPool *arena;
SECItem prime; /* p */
SECItem subPrime; /* q */
SECItem base; /* g */
/* XXX chrisk: this needs to be expanded to hold j and validationParms (RFC2459 7.3.2) */
};
typedef struct PQGParamsStr PQGParams;
struct PQGVerifyStr {
PRArenaPool * arena; /* includes this struct, seed, & h. */
unsigned int counter;
SECItem seed;
SECItem h;
};
typedef struct PQGVerifyStr PQGVerify;
struct DSAPublicKeyStr {
PQGParams params;
SECItem publicValue;
};
typedef struct DSAPublicKeyStr DSAPublicKey;
struct DSAPrivateKeyStr {
PQGParams params;
SECItem publicValue;
SECItem privateValue;
};
typedef struct DSAPrivateKeyStr DSAPrivateKey;
/***************************************************************************
** Diffie-Hellman Public and Private Key and related structures
** Structure member names suggested by PKCS#3.
*/
struct DHParamsStr {
PRArenaPool * arena;
SECItem prime; /* p */
SECItem base; /* g */
};
typedef struct DHParamsStr DHParams;
struct DHPublicKeyStr {
PRArenaPool * arena;
SECItem prime;
SECItem base;
SECItem publicValue;
};
typedef struct DHPublicKeyStr DHPublicKey;
struct DHPrivateKeyStr {
PRArenaPool * arena;
SECItem prime;
SECItem base;
SECItem publicValue;
SECItem privateValue;
};
typedef struct DHPrivateKeyStr DHPrivateKey;
/***************************************************************************
** Data structures used for elliptic curve parameters and
** public and private keys.
*/
/*
** The ECParams data structures can encode elliptic curve
** parameters for both GFp and GF2m curves.
*/
typedef enum { ec_params_explicit,
ec_params_named
} ECParamsType;
typedef enum { ec_field_GFp = 1,
ec_field_GF2m
} ECFieldType;
struct ECFieldIDStr {
int size; /* field size in bits */
ECFieldType type;
union {
SECItem prime; /* prime p for (GFp) */
SECItem poly; /* irreducible binary polynomial for (GF2m) */
} u;
int k1; /* first coefficient of pentanomial or
* the only coefficient of trinomial
*/
int k2; /* two remaining coefficients of pentanomial */
int k3;
};
typedef struct ECFieldIDStr ECFieldID;
struct ECCurveStr {
SECItem a; /* contains octet stream encoding of
* field element (X9.62 section 4.3.3)
*/
SECItem b;
SECItem seed;
};
typedef struct ECCurveStr ECCurve;
struct ECParamsStr {
PRArenaPool * arena;
ECParamsType type;
ECFieldID fieldID;
ECCurve curve;
SECItem base;
SECItem order;
int cofactor;
SECItem DEREncoding;
ECCurveName name;
SECItem curveOID;
};
typedef struct ECParamsStr ECParams;
struct ECPublicKeyStr {
ECParams ecParams;
SECItem publicValue; /* elliptic curve point encoded as
* octet stream.
*/
};
typedef struct ECPublicKeyStr ECPublicKey;
struct ECPrivateKeyStr {
ECParams ecParams;
SECItem publicValue; /* encoded ec point */
SECItem privateValue; /* private big integer */
SECItem version; /* As per SEC 1, Appendix C, Section C.4 */
};
typedef struct ECPrivateKeyStr ECPrivateKey;
typedef void * (*BLapiAllocateFunc)(void);
typedef void (*BLapiDestroyContextFunc)(void *cx, PRBool freeit);
typedef SECStatus (*BLapiInitContextFunc)(void *cx,
const unsigned char *key,
unsigned int keylen,
const unsigned char *,
int,
unsigned int ,
unsigned int );
typedef SECStatus (*BLapiEncrypt)(void *cx, unsigned char *output,
unsigned int *outputLen,
unsigned int maxOutputLen,
const unsigned char *input,
unsigned int inputLen);
#endif /* _BLAPIT_H_ */