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rev180: Reformat (renamed) BnToOsslMath.h

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Remove an unnecessary include of openssl/ecdsa.h.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
This commit is contained in:
Stefan Berger 2023-12-17 21:56:59 -05:00 committed by Stefan Berger
parent ccd3fd8f9e
commit f89b536fdd
1 changed files with 52 additions and 59 deletions
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111
src/tpm2/crypto/openssl/BnToOsslMath.h
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@ -1,6 +1,6 @@
/********************************************************************************/
/* */
/* TPM to OpenSSL BigNum Shim Layer */
/* */
/* Written by Ken Goldman */
/* IBM Thomas J. Watson Research Center */
/* */
@ -54,42 +54,41 @@
/* arising in any way out of use or reliance upon this specification or any */
/* information herein. */
/* */
/* (c) Copyright IBM Corp. and others, 2016 - 2023 */
/* (c) Copyright IBM Corp. and others, 2023 */
/* */
/********************************************************************************/
/* B.2.2.1. TpmToOsslMath.h */
/* B.2.2.1.1. Introduction */
/* This file contains the structure definitions used for ECC in the OpenSSL version of the
code. These definitions would change, based on the library. The ECC-related structures that cross
the TPM interface are defined in TpmTypes.h */
//** Introduction
// This file contains OpenSSL specific functions called by TpmBigNum library to provide
// the TpmBigNum + OpenSSL math support.
#ifndef _BN_TO_OSSL_MATH_H_
#define _BN_TO_OSSL_MATH_H_
#ifndef MATH_LIB_DEFINED
#define MATH_LIB_DEFINED
#define MATH_LIB_OSSL
#include <openssl/evp.h>
#include <openssl/ec.h>
#include <openssl/bn.h>
#define SYMMETRIC_ALIGNMENT RADIX_BYTES
#if 0 // libtpms added
/*
* As of release 3.0.0, OPENSSL_VERSION_NUMBER is a combination of the
* major (M), minor (NN) and patch (PP) version into a single integer 0xMNN00PP0L
*/
#if OPENSSL_VERSION_NUMBER > 0x30100ff0L
// Check the bignum_st definition in crypto/bn/bn_lcl.h or crypto/bn/bn_local.h and either update
// the version check or provide the new definition for this version.
// Currently safe for all 3.1.x
# error Untested OpenSSL version
#elif OPENSSL_VERSION_NUMBER >= 0x10100000L
// from crypto/bn/bn_lcl.h
struct bignum_st {
BN_ULONG *d;
int top;
int dmax;
int neg;
#if OPENSSL_VERSION_NUMBER >= 0x30100ff0L
// Check the bignum_st definition against the one below and either update the
// version check or provide the new definition for this version.
# error Untested OpenSSL version
#elif OPENSSL_VERSION_NUMBER >= 0x10100000L
// from crypto/bn/bn_lcl.h (OpenSSL 1.x) or crypto/bn/bn_local.h (OpenSSL 3.0)
struct bignum_st
{
BN_ULONG* d; /* Pointer to an array of 'BN_BITS2' bit
* chunks. */
int top; /* Index of last used d +1. */
/* The next are internal book keeping for bn_expand. */
int dmax; /* Size of the d array. */
int neg; /* one if the number is negative */
int flags;
};
#if 0 // libtpms added
@ -99,53 +98,48 @@ struct bignum_st {
#endif // OPENSSL_VERSION_NUMBER
#endif // libtpms added
#include <openssl/bn.h>
#if USE_OPENSSL_FUNCTIONS_ECDSA // libtpms added begin
#include <openssl/ecdsa.h>
#endif // libtpms added end
// libtpms added end
/* B.2.2.2.2. Macros and Defines */
/* Make sure that the library is using the correct size for a crypt word */
//** Macros and Defines
#if defined THIRTY_TWO_BIT && (RADIX_BITS != 32) \
// Make sure that the library is using the correct size for a crypt word
#if defined THIRTY_TWO_BIT && (RADIX_BITS != 32) \
|| ((defined SIXTY_FOUR_BIT_LONG || defined SIXTY_FOUR_BIT) \
&& (RADIX_BITS != 64))
# error Ossl library is using different radix
# error Ossl library is using different radix
#endif
/* Allocate a local BIGNUM value. For the allocation, a bigNum structure is created as is a local
BIGNUM. The bigNum is initialized and then the BIGNUM is set to reference the local value. */
// Allocate a local BIGNUM value. For the allocation, a bigNum structure is created
// as is a local BIGNUM. The bigNum is initialized and then the BIGNUM is
// set to reference the local value.
#define BIG_VAR(name, bits) \
BN_VAR(name##Bn, (bits)); \
BIGNUM *_##name = BN_new(); /* libtpms */ \
BIGNUM *name = BigInitialized(_##name, /* libtpms */ \
BnInit(name##Bn, \
BYTES_TO_CRYPT_WORDS(sizeof(_##name##Bn.d))))
/* Allocate a BIGNUM and initialize with the values in a bigNum initializer */
BIGNUM* _##name = BN_new(); /* libtpms */ \
BIGNUM* name = BigInitialized(_##name /* libtpms */ \
, BnInit(name##Bn, BYTES_TO_CRYPT_WORDS(sizeof(_##name##Bn.d))))
// Allocate a BIGNUM and initialize with the values in a bigNum initializer
#define BIG_INITIALIZED(name, initializer) \
BIGNUM *_##name = BN_new(); /* libtpms */ \
BIGNUM *name = BigInitialized(_##name, initializer) /* libtpms */
BIGNUM* _##name = BN_new(); /* libtpms */ \
BIGNUM* name = BigInitialized(_##name, initializer) /* libtpms */
typedef struct
{
const ECC_CURVE_DATA *C; // the TPM curve values
EC_GROUP *G; // group parameters
BN_CTX *CTX; // the context for the math (this might not be
const ECC_CURVE_DATA* C; // the TPM curve values
EC_GROUP* G; // group parameters
BN_CTX* CTX; // the context for the math (this might not be
// the context in which the curve was created>;
} OSSL_CURVE_DATA;
// Define the curve data type expected by the TpmBigNum library:
typedef OSSL_CURVE_DATA *bigCurve;
#define AccessCurveData(E) ((E)->C)
#include "TpmToOsslSupport_fp.h"
#define OSSL_ENTER() BN_CTX *CTX = OsslContextEnter()
#define OSSL_LEAVE() OsslContextLeave(CTX)
/* Start and end a context that spans multiple ECC functions. This is used so that the group for the
curve can persist across multiple frames. */
// Start and end a context within which the OpenSSL memory management works
#define OSSL_ENTER() BN_CTX* CTX = OsslContextEnter()
#define OSSL_LEAVE() OsslContextLeave(CTX)
#define CURVE_INITIALIZED(name, initializer) \
OSSL_CURVE_DATA _##name; \
@ -153,16 +147,15 @@ typedef OSSL_CURVE_DATA *bigCurve;
#define CURVE_FREE(name) BnCurveFree(name)
/* Start and end a local stack frame within the context of the curve frame */
#if 0 /* kgold not used */
#define ECC_ENTER() BN_CTX *CTX = OsslPushContext(E->CTX)
#define ECC_LEAVE() OsslPopContext(CTX)
// Start and end a local stack frame within the context of the curve frame
#define ECC_ENTER() BN_CTX* CTX = OsslPushContext(E->CTX)
#define ECC_LEAVE() OsslPopContext(CTX)
#endif
#define BN_NEW() BnNewVariable(CTX)
#define BN_NEW() BnNewVariable(CTX)
/* This definition would change if there were something to report */
// This definition would change if there were something to report
#define MathLibSimulationEnd()
#endif // MATH_LIB_DEFINED
#endif // _BN_TO_OSSL_MATH_H_