From fd0ad0c3469fbc6faca2d1c6ddb13dd5f10acd28 Mon Sep 17 00:00:00 2001 From: Yi Li Date: Wed, 7 Sep 2022 16:12:00 +0800 Subject: [PATCH] CryptoPkg: Add BigNum support 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 Cc: Jian J Wang Cc: Xiaoyu Lu Cc: Guomin Jiang Signed-off-by: Yi Li Reviewed-by: Jiewen Yao --- 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 9436fe0f19..3026299e29 100644 --- a/CryptoPkg/Include/Library/BaseCryptLib.h +++ b/CryptoPkg/Include/Library/BaseCryptLib.h @@ -2836,4 +2836,422 @@ HkdfSha384Expand ( 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 a1785f3423..0208d706b8 100644 --- a/CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf +++ b/CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf @@ -54,6 +54,7 @@ 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..282926ddcc --- /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.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "InternalCryptLib.h" +#include + +/** + 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.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include +#include + +/** + 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 84efeb246e..82b97bc6d3 100644 --- a/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf +++ b/CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf @@ -61,6 +61,7 @@ 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 c81e9d5bb4..986581319c 100644 --- a/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf +++ b/CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf @@ -61,6 +61,7 @@ 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 80a432dfe1..88ada0430d 100644 --- a/CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf +++ b/CryptoPkg/Library/BaseCryptLibNull/BaseCryptLibNull.inf @@ -54,6 +54,7 @@ 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.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include +#include + +/** + 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; +} -- 2.39.2