REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3828
This patch is used to add CryptBn library, which is wrapped
over OpenSSL.
Cc: Jiewen Yao <jiewen....@intel.com>
Cc: Jian J Wang <jian.j.w...@intel.com>
Cc: Xiaoyu Lu <xiaoyux...@intel.com>
Cc: Guomin Jiang <guomin.ji...@intel.com>
Signed-off-by: Yi Li <yi1...@intel.com>
---
CryptoPkg/Include/Library/BaseCryptLib.h | 418 +++++++++++++
.../Library/BaseCryptLib/BaseCryptLib.inf | 1 +
CryptoPkg/Library/BaseCryptLib/Bn/CryptBn.c | 581 ++++++++++++++++++
.../Library/BaseCryptLib/Bn/CryptBnNull.c | 520 ++++++++++++++++
.../Library/BaseCryptLib/PeiCryptLib.inf | 1 +
.../Library/BaseCryptLib/SmmCryptLib.inf | 1 +
.../BaseCryptLibNull/BaseCryptLibNull.inf | 1 +
.../Library/BaseCryptLibNull/Bn/CryptBnNull.c | 520 ++++++++++++++++
8 files changed, 2043 insertions(+)
create mode 100644 CryptoPkg/Library/BaseCryptLib/Bn/CryptBn.c
create mode 100644 CryptoPkg/Library/BaseCryptLib/Bn/CryptBnNull.c
create mode 100644 CryptoPkg/Library/BaseCryptLibNull/Bn/CryptBnNull.c
diff --git a/CryptoPkg/Include/Library/BaseCryptLib.h
b/CryptoPkg/Include/Library/BaseCryptLib.h
index 7d1499350a..b253923dd8 100644
--- a/CryptoPkg/Include/Library/BaseCryptLib.h
+++ b/CryptoPkg/Include/Library/BaseCryptLib.h
@@ -2432,4 +2432,422 @@ HkdfSha256ExtractAndExpand (
IN UINTN OutSize
);
+//
=====================================================================================
+// Big number primitives
+//
=====================================================================================
+
+/**
+ Allocate new Big Number.
+
+ @retval New BigNum opaque structure or NULL on failure.
+**/
+VOID *
+EFIAPI
+BigNumInit (
+ VOID
+ );
+
+/**
+ Allocate new Big Number and assign the provided value to it.
+
+ @param[in] Buf Big endian encoded buffer.
+ @param[in] Len Buffer length.
+
+ @retval New BigNum opaque structure or NULL on failure.
+**/
+VOID *
+EFIAPI
+BigNumFromBin (
+ IN CONST UINT8 *Buf,
+ IN UINTN Len
+ );
+
+/**
+ Convert the absolute value of Bn into big-endian form and store it at Buf.
+ The Buf array should have at least BigNumBytes() in it.
+
+ @param[in] Bn Big number to convert.
+ @param[out] Buf Output buffer.
+
+ @retval The length of the big-endian number placed at Buf or -1 on error.
+**/
+INTN
+EFIAPI
+BigNumToBin (
+ IN CONST VOID *Bn,
+ OUT UINT8 *Buf
+ );
+
+/**
+ Free the Big Number.
+
+ @param[in] Bn Big number to free.
+ @param[in] Clear TRUE if the buffer should be cleared.
+**/
+VOID
+EFIAPI
+BigNumFree (
+ IN VOID *Bn,
+ IN BOOLEAN Clear
+ );
+
+/**
+ Calculate the sum of two Big Numbers.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result of BnA + BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumAdd (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ );
+
+/**
+ Subtract two Big Numbers.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result of BnA - BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumSub (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ );
+
+/**
+ Calculate remainder: BnRes = BnA % BnB.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result of BnA % BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ );
+
+/**
+ Compute BnA to the BnP-th power modulo BnM.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnP Big number (power).
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result of (BnA ^ BnP) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumExpMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnP,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ );
+
+/**
+ Compute BnA inverse modulo BnM.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA * BnRes) % BnM == 1.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumInverseMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ );
+
+/**
+ Divide two Big Numbers.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result, such that BnA / BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumDiv (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ );
+
+/**
+ Multiply two Big Numbers modulo BnM.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA * BnB) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumMulMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ );
+
+/**
+ Compare two Big Numbers.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+
+ @retval 0 BnA == BnB.
+ @retval 1 BnA > BnB.
+ @retval -1 BnA < BnB.
+**/
+INTN
+EFIAPI
+BigNumCmp (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB
+ );
+
+/**
+ Get number of bits in Bn.
+
+ @param[in] Bn Big number.
+
+ @retval Number of bits.
+**/
+
+UINTN
+EFIAPI
+BigNumBits (
+ IN CONST VOID *Bn
+ );
+
+/**
+ Get number of bytes in Bn.
+
+ @param[in] Bn Big number.
+
+ @retval Number of bytes.
+**/
+UINTN
+EFIAPI
+BigNumBytes (
+ IN CONST VOID *Bn
+ );
+
+/**
+ Checks if Big Number equals to the given Num.
+
+ @param[in] Bn Big number.
+ @param[in] Num Number.
+
+ @retval TRUE iff Bn == Num.
+ @retval FALSE otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumIsWord (
+ IN CONST VOID *Bn,
+ IN UINTN Num
+ );
+
+/**
+ Checks if Big Number is odd.
+
+ @param[in] Bn Big number.
+
+ @retval TRUE Bn is odd (Bn % 2 == 1).
+ @retval FALSE otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumIsOdd (
+ IN CONST VOID *Bn
+ );
+
+/**
+ Copy Big number.
+
+ @param[out] BnDst Destination.
+ @param[in] BnSrc Source.
+
+ @retval BnDst on success.
+ @retval NULL otherwise.
+**/
+VOID *
+EFIAPI
+BigNumCopy (
+ OUT VOID *BnDst,
+ IN CONST VOID *BnSrc
+ );
+
+/**
+ Get constant Big number with value of "1".
+ This may be used to save expensive allocations.
+
+ @retval Big Number with value of 1.
+**/
+CONST VOID *
+EFIAPI
+BigNumValueOne (
+ VOID
+ );
+
+/**
+ Shift right Big Number.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] Bn Big number.
+ @param[in] N Number of bits to shift.
+ @param[out] BnRes The result.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumRShift (
+ IN CONST VOID *Bn,
+ IN UINTN N,
+ OUT VOID *BnRes
+ );
+
+/**
+ Mark Big Number for constant time computations.
+ This function should be called before any constant time computations are
+ performed on the given Big number.
+
+ @param[in] Bn Big number.
+**/
+VOID
+EFIAPI
+BigNumConstTime (
+ IN VOID *Bn
+ );
+
+/**
+ Calculate square modulo.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA ^ 2) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumSqrMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ );
+
+/**
+ Create new Big Number computation context. This is an opaque structure
+ which should be passed to any function that requires it. The BN context is
+ needed to optimize calculations and expensive allocations.
+
+ @retval Big Number context struct or NULL on failure.
+**/
+VOID *
+EFIAPI
+BigNumNewContext (
+ VOID
+ );
+
+/**
+ Free Big Number context that was allocated with BigNumNewContext().
+
+ @param[in] BnCtx Big number context to free.
+**/
+VOID
+EFIAPI
+BigNumContextFree (
+ IN VOID *BnCtx
+ );
+
+/**
+ Set Big Number to a given value.
+
+ @param[in] Bn Big number to set.
+ @param[in] Val Value to set.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumSetUint (
+ IN VOID *Bn,
+ IN UINTN Val
+ );
+
+/**
+ Add two Big Numbers modulo BnM.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA + BnB) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumAddMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ );
+
#endif // __BASE_CRYPT_LIB_H__
diff --git a/CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
b/CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
index 3d7b917103..9e4be2fb0d 100644
--- a/CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
+++ b/CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
@@ -53,6 +53,7 @@
Pk/CryptRsaPss.c
Pk/CryptRsaPssSign.c
Pem/CryptPem.c
+ Bn/CryptBn.c
SysCall/CrtWrapper.c
SysCall/TimerWrapper.c
diff --git a/CryptoPkg/Library/BaseCryptLib/Bn/CryptBn.c
b/CryptoPkg/Library/BaseCryptLib/Bn/CryptBn.c
new file mode 100644
index 0000000000..7a3043b1de
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLib/Bn/CryptBn.c
@@ -0,0 +1,581 @@
+/** @file Big number API implementation based on OpenSSL
+
+ Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "InternalCryptLib.h"
+#include <openssl/bn.h>
+
+/**
+ Allocate new Big Number.
+
+ @retval New BigNum opaque structure or NULL on failure.
+**/
+VOID *
+EFIAPI
+BigNumInit (
+ VOID
+ )
+{
+ return BN_new ();
+}
+
+/**
+ Allocate new Big Number and assign the provided value to it.
+
+ @param[in] Buf Big endian encoded buffer.
+ @param[in] Len Buffer length.
+
+ @retval New BigNum opaque structure or NULL on failure.
+**/
+VOID *
+EFIAPI
+BigNumFromBin (
+ IN CONST UINT8 *Buf,
+ IN UINTN Len
+ )
+{
+ return BN_bin2bn (Buf, (INT32)Len, NULL);
+}
+
+/**
+ Convert the absolute value of Bn into big-endian form and store it at Buf.
+ The Buf array should have at least BigNumBytes() in it.
+
+ @param[in] Bn Big number to convert.
+ @param[out] Buf Output buffer.
+
+ @retval The length of the big-endian number placed at Buf or -1 on error.
+**/
+INTN
+EFIAPI
+BigNumToBin (
+ IN CONST VOID *Bn,
+ OUT UINT8 *Buf
+ )
+{
+ return BN_bn2bin (Bn, Buf);
+}
+
+/**
+ Free the Big Number.
+
+ @param[in] Bn Big number to free.
+ @param[in] Clear TRUE if the buffer should be cleared.
+**/
+VOID
+EFIAPI
+BigNumFree (
+ IN VOID *Bn,
+ IN BOOLEAN Clear
+ )
+{
+ if (Clear) {
+ BN_clear_free (Bn);
+ } else {
+ BN_free (Bn);
+ }
+}
+
+/**
+ Calculate the sum of two Big Numbers.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result of BnA + BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumAdd (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ return (BOOLEAN) BN_add (BnRes, BnA, BnB);
+}
+
+/**
+ Subtract two Big Numbers.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result of BnA - BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumSub (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ return (BOOLEAN) BN_sub (BnRes, BnA, BnB);
+}
+
+/**
+ Calculate remainder: BnRes = BnA % BnB.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result of BnA % BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ BOOLEAN RetVal;
+ BN_CTX *Ctx;
+
+ Ctx = BN_CTX_new ();
+ if (Ctx == NULL) {
+ return FALSE;
+ }
+
+ RetVal = (BOOLEAN) BN_mod (BnRes, BnA, BnB, Ctx);
+ BN_CTX_free (Ctx);
+
+ return RetVal;
+}
+
+/**
+ Compute BnA to the BnP-th power modulo BnM.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnP Big number (power).
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result of (BnA ^ BnP) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumExpMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnP,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ BOOLEAN RetVal;
+ BN_CTX *Ctx;
+
+ Ctx = BN_CTX_new ();
+ if (Ctx == NULL) {
+ return FALSE;
+ }
+
+ RetVal = (BOOLEAN) BN_mod_exp (BnRes, BnA, BnP, BnM, Ctx);
+
+ BN_CTX_free (Ctx);
+ return RetVal;
+}
+
+/**
+ Compute BnA inverse modulo BnM.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA * BnRes) % BnM == 1.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumInverseMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ BOOLEAN RetVal;
+ BN_CTX *Ctx;
+
+ Ctx = BN_CTX_new ();
+ if (Ctx == NULL) {
+ return FALSE;
+ }
+
+ RetVal = FALSE;
+ if (BN_mod_inverse (BnRes, BnA, BnM, Ctx) != NULL) {
+ RetVal = TRUE;
+ };
+
+ BN_CTX_free (Ctx);
+ return RetVal;
+}
+
+/**
+ Divide two Big Numbers.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result, such that BnA / BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumDiv (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ BOOLEAN RetVal;
+ BN_CTX *Ctx;
+
+ Ctx = BN_CTX_new ();
+ if (Ctx == NULL) {
+ return FALSE;
+ }
+
+ RetVal = (BOOLEAN) BN_div (BnRes, NULL, BnA, BnB, Ctx);
+ BN_CTX_free (Ctx);
+
+ return RetVal;
+}
+
+/**
+ Multiply two Big Numbers modulo BnM.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA * BnB) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumMulMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ BOOLEAN RetVal;
+ BN_CTX *Ctx;
+
+ Ctx = BN_CTX_new ();
+ if (Ctx == NULL) {
+ return FALSE;
+ }
+
+ RetVal = (BOOLEAN) BN_mod_mul (BnRes, BnA, BnB, BnM, Ctx);
+ BN_CTX_free (Ctx);
+
+ return RetVal;
+}
+
+/**
+ Compare two Big Numbers.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+
+ @retval 0 BnA == BnB.
+ @retval 1 BnA > BnB.
+ @retval -1 BnA < BnB.
+**/
+INTN
+EFIAPI
+BigNumCmp (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB
+ )
+{
+ return BN_cmp (BnA, BnB);
+}
+
+/**
+ Get number of bits in Bn.
+
+ @param[in] Bn Big number.
+
+ @retval Number of bits.
+**/
+UINTN
+EFIAPI
+BigNumBits (
+ IN CONST VOID *Bn
+ )
+{
+ return BN_num_bits (Bn);
+}
+
+/**
+ Get number of bytes in Bn.
+
+ @param[in] Bn Big number.
+
+ @retval Number of bytes.
+**/
+UINTN
+EFIAPI
+BigNumBytes (
+ IN CONST VOID *Bn
+ )
+{
+ return BN_num_bytes (Bn);
+}
+
+/**
+ Checks if Big Number equals to the given Num.
+
+ @param[in] Bn Big number.
+ @param[in] Num Number.
+
+ @retval TRUE iff Bn == Num.
+ @retval FALSE otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumIsWord (
+ IN CONST VOID *Bn,
+ IN UINTN Num
+ )
+{
+ return (BOOLEAN) BN_is_word (Bn, Num);
+}
+
+/**
+ Checks if Big Number is odd.
+
+ @param[in] Bn Big number.
+
+ @retval TRUE Bn is odd (Bn % 2 == 1).
+ @retval FALSE otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumIsOdd (
+ IN CONST VOID *Bn
+ )
+{
+ return (BOOLEAN) BN_is_odd (Bn);
+}
+
+/**
+ Copy Big number.
+
+ @param[out] BnDst Destination.
+ @param[in] BnSrc Source.
+
+ @retval BnDst on success.
+ @retval NULL otherwise.
+**/
+VOID *
+EFIAPI
+BigNumCopy (
+ OUT VOID *BnDst,
+ IN CONST VOID *BnSrc
+ )
+{
+ return BN_copy (BnDst, BnSrc);
+}
+
+/**
+ Get constant Big number with value of "1".
+ This may be used to save expensive allocations.
+
+ @retval Big Number with value of 1.
+**/
+CONST VOID *
+EFIAPI
+BigNumValueOne (
+ VOID
+ )
+{
+ return BN_value_one ();
+}
+
+/**
+ Shift right Big Number.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] Bn Big number.
+ @param[in] N Number of bits to shift.
+ @param[out] BnRes The result.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumRShift (
+ IN CONST VOID *Bn,
+ IN UINTN N,
+ OUT VOID *BnRes
+ )
+{
+ return (BOOLEAN) BN_rshift (BnRes, Bn, (INT32) N);
+}
+
+/**
+ Mark Big Number for constant time computations.
+ This function should be called before any constant time computations are
+ performed on the given Big number.
+
+ @param[in] Bn Big number
+**/
+VOID
+EFIAPI
+BigNumConstTime (
+ IN VOID *Bn
+ )
+{
+ BN_set_flags (Bn, BN_FLG_CONSTTIME);
+}
+
+/**
+ Calculate square modulo.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA ^ 2) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumSqrMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ BOOLEAN RetVal;
+ BN_CTX *Ctx;
+
+ Ctx = BN_CTX_new ();
+ if (Ctx == NULL) {
+ return FALSE;
+ }
+
+ RetVal = (BOOLEAN) BN_mod_sqr (BnRes, BnA, BnM, Ctx);
+ BN_CTX_free (Ctx);
+
+ return RetVal;
+}
+
+/**
+ Create new Big Number computation context. This is an opaque structure
+ which should be passed to any function that requires it. The BN context is
+ needed to optimize calculations and expensive allocations.
+
+ @retval Big Number context struct or NULL on failure.
+**/
+VOID *
+EFIAPI
+BigNumNewContext (
+ VOID
+ )
+{
+ return BN_CTX_new ();
+}
+
+/**
+ Free Big Number context that was allocated with BigNumNewContext().
+
+ @param[in] BnCtx Big number context to free.
+**/
+VOID
+EFIAPI
+BigNumContextFree (
+ IN VOID *BnCtx
+ )
+{
+ BN_CTX_free (BnCtx);
+}
+
+/**
+ Set Big Number to a given value.
+
+ @param[in] Bn Big number to set.
+ @param[in] Val Value to set.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumSetUint (
+ IN VOID *Bn,
+ IN UINTN Val
+ )
+{
+ return (BOOLEAN) BN_set_word (Bn, Val);
+}
+
+/**
+ Add two Big Numbers modulo BnM.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA + BnB) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumAddMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ BOOLEAN RetVal;
+ BN_CTX *Ctx;
+
+ Ctx = BN_CTX_new ();
+ if (Ctx == NULL) {
+ return FALSE;
+ }
+
+ RetVal = (BOOLEAN) BN_mod_add (BnRes, BnA, BnB, BnM, Ctx);
+ BN_CTX_free (Ctx);
+
+ return RetVal;
+}
diff --git a/CryptoPkg/Library/BaseCryptLib/Bn/CryptBnNull.c
b/CryptoPkg/Library/BaseCryptLib/Bn/CryptBnNull.c
new file mode 100644
index 0000000000..547401fa12
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLib/Bn/CryptBnNull.c
@@ -0,0 +1,520 @@
+/** @file
+ Big number API implementation based on OpenSSL
+
+ Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/BaseCryptLib.h>
+#include <Library/DebugLib.h>
+
+/**
+ Allocate new Big Number.
+
+ @retval New BigNum opaque structure or NULL on failure.
+**/
+VOID *
+EFIAPI
+BigNumInit (
+ VOID
+ )
+{
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Allocate new Big Number and assign the provided value to it.
+
+ @param[in] Buf Big endian encoded buffer.
+ @param[in] Len Buffer length.
+
+ @retval New BigNum opaque structure or NULL on failure.
+**/
+VOID *
+EFIAPI
+BigNumFromBin (
+ IN CONST UINT8 *Buf,
+ IN UINTN Len
+ )
+{
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Convert the absolute value of Bn into big-endian form and store it at Buf.
+ The Buf array should have at least BigNumBytes() in it.
+
+ @param[in] Bn Big number to convert.
+ @param[out] Buf Output buffer.
+
+ @retval The length of the big-endian number placed at Buf or -1 on error.
+**/
+INTN
+EFIAPI
+BigNumToBin (
+ IN CONST VOID *Bn,
+ OUT UINT8 *Buf
+ )
+{
+ ASSERT (FALSE);
+ return -1;
+}
+
+/**
+ Free the Big Number.
+
+ @param[in] Bn Big number to free.
+ @param[in] Clear TRUE if the buffer should be cleared.
+**/
+VOID
+EFIAPI
+BigNumFree (
+ IN VOID *Bn,
+ IN BOOLEAN Clear
+ )
+{
+ ASSERT (FALSE);
+}
+
+/**
+ Calculate the sum of two Big Numbers.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result of BnA + BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumAdd (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Subtract two Big Numbers.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result of BnA - BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumSub (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Calculate remainder: BnRes = BnA % BnB.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result of BnA % BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Compute BnA to the BnP-th power modulo BnM.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnP Big number (power).
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result of (BnA ^ BnP) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumExpMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnP,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Compute BnA inverse modulo BnM.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA * BnRes) % BnM == 1.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumInverseMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Divide two Big Numbers.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result, such that BnA / BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumDiv (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Multiply two Big Numbers modulo BnM.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA * BnB) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumMulMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Compare two Big Numbers.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+
+ @retval 0 BnA == BnB.
+ @retval 1 BnA > BnB.
+ @retval -1 BnA < BnB.
+**/
+INTN
+EFIAPI
+BigNumCmp (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB
+ )
+{
+ ASSERT (FALSE);
+ return 0;
+}
+
+/**
+ Get number of bits in Bn.
+
+ @param[in] Bn Big number.
+
+ @retval Number of bits.
+**/
+UINTN
+EFIAPI
+BigNumBits (
+ IN CONST VOID *Bn
+ )
+{
+ ASSERT (FALSE);
+ return 0;
+}
+
+/**
+ Get number of bytes in Bn.
+
+ @param[in] Bn Big number.
+
+ @retval Number of bytes.
+**/
+UINTN
+EFIAPI
+BigNumBytes (
+ IN CONST VOID *Bn
+ )
+{
+ ASSERT (FALSE);
+ return 0;
+}
+
+/**
+ Checks if Big Number equals to the given Num.
+
+ @param[in] Bn Big number.
+ @param[in] Num Number.
+
+ @retval TRUE iff Bn == Num.
+ @retval FALSE otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumIsWord (
+ IN CONST VOID *Bn,
+ IN UINTN Num
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Checks if Big Number is odd.
+
+ @param[in] Bn Big number.
+
+ @retval TRUE Bn is odd (Bn % 2 == 1).
+ @retval FALSE otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumIsOdd (
+ IN CONST VOID *Bn
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Copy Big number.
+
+ @param[out] BnDst Destination.
+ @param[in] BnSrc Source.
+
+ @retval BnDst on success.
+ @retval NULL otherwise.
+**/
+VOID *
+EFIAPI
+BigNumCopy (
+ OUT VOID *BnDst,
+ IN CONST VOID *BnSrc
+ )
+{
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Get constant Big number with value of "1".
+ This may be used to save expensive allocations.
+
+ @retval Big Number with value of 1.
+**/
+CONST VOID *
+EFIAPI
+BigNumValueOne (
+ VOID
+ )
+{
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Shift right Big Number.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] Bn Big number.
+ @param[in] N Number of bits to shift.
+ @param[out] BnRes The result.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumRShift (
+ IN CONST VOID *Bn,
+ IN UINTN N,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Mark Big Number for constant time computations.
+ This function should be called before any constant time computations are
+ performed on the given Big number.
+
+ @param[in] Bn Big number
+**/
+VOID
+EFIAPI
+BigNumConstTime (
+ IN VOID *Bn
+ )
+{
+ ASSERT (FALSE);
+}
+
+/**
+ Calculate square modulo.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA ^ 2) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumSqrMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Create new Big Number computation context. This is an opaque structure
+ which should be passed to any function that requires it. The BN context is
+ needed to optimize calculations and expensive allocations.
+
+ @retval Big Number context struct or NULL on failure.
+**/
+VOID *
+EFIAPI
+BigNumNewContext (
+ VOID
+ )
+{
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Free Big Number context that was allocated with BigNumNewContext().
+
+ @param[in] BnCtx Big number context to free.
+**/
+VOID
+EFIAPI
+BigNumContextFree (
+ IN VOID *BnCtx
+ )
+{
+ ASSERT (FALSE);
+}
+
+/**
+ Set Big Number to a given value.
+
+ @param[in] Bn Big number to set.
+ @param[in] Val Value to set.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumSetUint (
+ IN VOID *Bn,
+ IN UINTN Val
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Add two Big Numbers modulo BnM.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA + BnB) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumAddMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
diff --git a/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
b/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
index 01de27e037..65ad23fb81 100644
--- a/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
+++ b/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
@@ -60,6 +60,7 @@
Pk/CryptRsaPssSignNull.c
Pem/CryptPemNull.c
Rand/CryptRandNull.c
+ Bn/CryptBnNull.c
SysCall/CrtWrapper.c
SysCall/ConstantTimeClock.c
diff --git a/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
b/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
index 91a1715095..ce6a789dfd 100644
--- a/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
+++ b/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
@@ -60,6 +60,7 @@
Pk/CryptRsaPss.c
Pk/CryptRsaPssSignNull.c
Pem/CryptPem.c
+ Bn/CryptBnNull.c
SysCall/CrtWrapper.c
SysCall/ConstantTimeClock.c
diff --git a/CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf
b/CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf
index 63d1d82d19..354f3d80aa 100644
--- a/CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf
+++ b/CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf
@@ -53,6 +53,7 @@
Rand/CryptRandNull.c
Pk/CryptRsaPssNull.c
Pk/CryptRsaPssSignNull.c
+ Bn/CryptBnNull.c
[Packages]
MdePkg/MdePkg.dec
diff --git a/CryptoPkg/Library/BaseCryptLibNull/Bn/CryptBnNull.c
b/CryptoPkg/Library/BaseCryptLibNull/Bn/CryptBnNull.c
new file mode 100644
index 0000000000..547401fa12
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLibNull/Bn/CryptBnNull.c
@@ -0,0 +1,520 @@
+/** @file
+ Big number API implementation based on OpenSSL
+
+ Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/BaseCryptLib.h>
+#include <Library/DebugLib.h>
+
+/**
+ Allocate new Big Number.
+
+ @retval New BigNum opaque structure or NULL on failure.
+**/
+VOID *
+EFIAPI
+BigNumInit (
+ VOID
+ )
+{
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Allocate new Big Number and assign the provided value to it.
+
+ @param[in] Buf Big endian encoded buffer.
+ @param[in] Len Buffer length.
+
+ @retval New BigNum opaque structure or NULL on failure.
+**/
+VOID *
+EFIAPI
+BigNumFromBin (
+ IN CONST UINT8 *Buf,
+ IN UINTN Len
+ )
+{
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Convert the absolute value of Bn into big-endian form and store it at Buf.
+ The Buf array should have at least BigNumBytes() in it.
+
+ @param[in] Bn Big number to convert.
+ @param[out] Buf Output buffer.
+
+ @retval The length of the big-endian number placed at Buf or -1 on error.
+**/
+INTN
+EFIAPI
+BigNumToBin (
+ IN CONST VOID *Bn,
+ OUT UINT8 *Buf
+ )
+{
+ ASSERT (FALSE);
+ return -1;
+}
+
+/**
+ Free the Big Number.
+
+ @param[in] Bn Big number to free.
+ @param[in] Clear TRUE if the buffer should be cleared.
+**/
+VOID
+EFIAPI
+BigNumFree (
+ IN VOID *Bn,
+ IN BOOLEAN Clear
+ )
+{
+ ASSERT (FALSE);
+}
+
+/**
+ Calculate the sum of two Big Numbers.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result of BnA + BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumAdd (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Subtract two Big Numbers.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result of BnA - BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumSub (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Calculate remainder: BnRes = BnA % BnB.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result of BnA % BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Compute BnA to the BnP-th power modulo BnM.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnP Big number (power).
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result of (BnA ^ BnP) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumExpMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnP,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Compute BnA inverse modulo BnM.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA * BnRes) % BnM == 1.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumInverseMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Divide two Big Numbers.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[out] BnRes The result, such that BnA / BnB.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumDiv (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Multiply two Big Numbers modulo BnM.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA * BnB) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumMulMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Compare two Big Numbers.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+
+ @retval 0 BnA == BnB.
+ @retval 1 BnA > BnB.
+ @retval -1 BnA < BnB.
+**/
+INTN
+EFIAPI
+BigNumCmp (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB
+ )
+{
+ ASSERT (FALSE);
+ return 0;
+}
+
+/**
+ Get number of bits in Bn.
+
+ @param[in] Bn Big number.
+
+ @retval Number of bits.
+**/
+UINTN
+EFIAPI
+BigNumBits (
+ IN CONST VOID *Bn
+ )
+{
+ ASSERT (FALSE);
+ return 0;
+}
+
+/**
+ Get number of bytes in Bn.
+
+ @param[in] Bn Big number.
+
+ @retval Number of bytes.
+**/
+UINTN
+EFIAPI
+BigNumBytes (
+ IN CONST VOID *Bn
+ )
+{
+ ASSERT (FALSE);
+ return 0;
+}
+
+/**
+ Checks if Big Number equals to the given Num.
+
+ @param[in] Bn Big number.
+ @param[in] Num Number.
+
+ @retval TRUE iff Bn == Num.
+ @retval FALSE otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumIsWord (
+ IN CONST VOID *Bn,
+ IN UINTN Num
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Checks if Big Number is odd.
+
+ @param[in] Bn Big number.
+
+ @retval TRUE Bn is odd (Bn % 2 == 1).
+ @retval FALSE otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumIsOdd (
+ IN CONST VOID *Bn
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Copy Big number.
+
+ @param[out] BnDst Destination.
+ @param[in] BnSrc Source.
+
+ @retval BnDst on success.
+ @retval NULL otherwise.
+**/
+VOID *
+EFIAPI
+BigNumCopy (
+ OUT VOID *BnDst,
+ IN CONST VOID *BnSrc
+ )
+{
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Get constant Big number with value of "1".
+ This may be used to save expensive allocations.
+
+ @retval Big Number with value of 1.
+**/
+CONST VOID *
+EFIAPI
+BigNumValueOne (
+ VOID
+ )
+{
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Shift right Big Number.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] Bn Big number.
+ @param[in] N Number of bits to shift.
+ @param[out] BnRes The result.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumRShift (
+ IN CONST VOID *Bn,
+ IN UINTN N,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Mark Big Number for constant time computations.
+ This function should be called before any constant time computations are
+ performed on the given Big number.
+
+ @param[in] Bn Big number
+**/
+VOID
+EFIAPI
+BigNumConstTime (
+ IN VOID *Bn
+ )
+{
+ ASSERT (FALSE);
+}
+
+/**
+ Calculate square modulo.
+ Please note, all "out" Big number arguments should be properly initialized
+ by calling to BigNumInit() or BigNumFromBin() functions.
+
+ @param[in] BnA Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA ^ 2) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumSqrMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Create new Big Number computation context. This is an opaque structure
+ which should be passed to any function that requires it. The BN context is
+ needed to optimize calculations and expensive allocations.
+
+ @retval Big Number context struct or NULL on failure.
+**/
+VOID *
+EFIAPI
+BigNumNewContext (
+ VOID
+ )
+{
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Free Big Number context that was allocated with BigNumNewContext().
+
+ @param[in] BnCtx Big number context to free.
+**/
+VOID
+EFIAPI
+BigNumContextFree (
+ IN VOID *BnCtx
+ )
+{
+ ASSERT (FALSE);
+}
+
+/**
+ Set Big Number to a given value.
+
+ @param[in] Bn Big number to set.
+ @param[in] Val Value to set.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumSetUint (
+ IN VOID *Bn,
+ IN UINTN Val
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Add two Big Numbers modulo BnM.
+
+ @param[in] BnA Big number.
+ @param[in] BnB Big number.
+ @param[in] BnM Big number (modulo).
+ @param[out] BnRes The result, such that (BnA + BnB) % BnM.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+BigNumAddMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
--
2.31.1.windows.1
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