This patch is used to add CryptBnNull library, which is used to
optimize code size.
Signed-off-by: yi1 li <yi1...@intel.com>
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>
---
.../Library/BaseCryptLib/Bn/CryptBnNull.c | 525 ++++++++++++++++++
.../Library/BaseCryptLib/PeiCryptLib.inf | 2 +-
.../Library/BaseCryptLib/SmmCryptLib.inf | 2 +-
.../BaseCryptLibNull/BaseCryptLibNull.inf | 1 +
.../Library/BaseCryptLibNull/Bn/CryptBnNull.c | 525 ++++++++++++++++++
5 files changed, 1053 insertions(+), 2 deletions(-)
create mode 100644 CryptoPkg/Library/BaseCryptLib/Bn/CryptBnNull.c
create mode 100644 CryptoPkg/Library/BaseCryptLibNull/Bn/CryptBnNull.c
diff --git a/CryptoPkg/Library/BaseCryptLib/Bn/CryptBnNull.c
b/CryptoPkg/Library/BaseCryptLib/Bn/CryptBnNull.c
new file mode 100644
index 000000000000..9f220ba41058
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLib/Bn/CryptBnNull.c
@@ -0,0 +1,525 @@
+/** @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 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 EFI_SUCCESS On success.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumAdd (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumSub (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumExpMod (
+ IN VOID *BnA,
+ IN VOID *BnP,
+ IN VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumInverseMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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] BnM Big number (modulo).
+ @param[out] BnRes The result, such that BnA / BnB.
+
+ @retval EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumDiv (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumMulMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumRShift (
+ IN CONST VOID *Bn,
+ IN UINTN n,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumSqrMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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.
+**/
+EFI_STATUS
+EFIAPI
+BigNumSetUint (
+ IN VOID *Bn,
+ IN UINTN Val
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumAddMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
diff --git a/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
b/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
index 75d87afbdc03..d080e665c218 100644
--- a/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
+++ b/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf
@@ -59,7 +59,7 @@
Pk/CryptRsaPssSignNull.c
Pem/CryptPemNull.c
Rand/CryptRandNull.c
- Bn/CryptBn.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 420cef88efb1..8a3fec9b076c 100644
--- a/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
+++ b/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf
@@ -56,7 +56,7 @@
Pk/CryptRsaPss.c
Pk/CryptRsaPssSignNull.c
Pem/CryptPem.c
- Bn/CryptBn.c
+ Bn/CryptBnNull.c
SysCall/CrtWrapper.c
SysCall/ConstantTimeClock.c
SysCall/BaseMemAllocation.c
diff --git a/CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf
b/CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf
index faf959827b90..1fb4d5c54d4f 100644
--- a/CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf
+++ b/CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf
@@ -52,6 +52,7 @@
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 000000000000..9f220ba41058
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLibNull/Bn/CryptBnNull.c
@@ -0,0 +1,525 @@
+/** @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 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 EFI_SUCCESS On success.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumAdd (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumSub (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumExpMod (
+ IN VOID *BnA,
+ IN VOID *BnP,
+ IN VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumInverseMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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] BnM Big number (modulo).
+ @param[out] BnRes The result, such that BnA / BnB.
+
+ @retval EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumDiv (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumMulMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumRShift (
+ IN CONST VOID *Bn,
+ IN UINTN n,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumSqrMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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.
+**/
+EFI_STATUS
+EFIAPI
+BigNumSetUint (
+ IN VOID *Bn,
+ IN UINTN Val
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ 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 EFI_SUCCESS On success.
+ @retval EFI_OUT_OF_RESOURCES In case of internal allocation failures.
+ @retval EFI_PROTOCOL_ERROR Otherwise.
+**/
+EFI_STATUS
+EFIAPI
+BigNumAddMod (
+ IN CONST VOID *BnA,
+ IN CONST VOID *BnB,
+ IN CONST VOID *BnM,
+ OUT VOID *BnRes
+ )
+{
+ ASSERT (FALSE);
+ return EFI_UNSUPPORTED;
+}
--
2.33.0.windows.2
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