[edk2-devel] [PATCH 5/9] CryptoPkg: Add RSA functions based on Mbedtls
Wenxing Hou
wenxing.hou at intel.com
Wed Aug 30 08:24:01 UTC 2023
Add RSA APIs.
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4177
Cc: Jiewen Yao <jiewen.yao at intel.com>
cc: Yi Li <yi1.li at intel.com>
Cc: Xiaoyu Lu <xiaoyu1.lu at intel.com>
Cc: Guomin Jiang <guomin.jiang at intel.com>
Signed-off-by: Wenxing Hou <wenxing.hou at intel.com>
---
.../BaseCryptLibMbedTls/InternalCryptLib.h | 44 +++
.../BaseCryptLibMbedTls/Pk/CryptRsaBasic.c | 268 ++++++++++++++
.../Pk/CryptRsaBasicNull.c | 121 +++++++
.../BaseCryptLibMbedTls/Pk/CryptRsaExt.c | 337 ++++++++++++++++++
.../BaseCryptLibMbedTls/Pk/CryptRsaExtNull.c | 117 ++++++
.../BaseCryptLibMbedTls/Pk/CryptRsaPss.c | 164 +++++++++
.../BaseCryptLibMbedTls/Pk/CryptRsaPssNull.c | 46 +++
.../BaseCryptLibMbedTls/Pk/CryptRsaPssSign.c | 231 ++++++++++++
.../Pk/CryptRsaPssSignNull.c | 60 ++++
9 files changed, 1388 insertions(+)
create mode 100644 CryptoPkg/Library/BaseCryptLibMbedTls/InternalCryptLib.h
create mode 100644 CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaBasic.c
create mode 100644 CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaBasicNull.c
create mode 100644 CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaExt.c
create mode 100644 CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaExtNull.c
create mode 100644 CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPss.c
create mode 100644 CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPssNull.c
create mode 100644 CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPssSign.c
create mode 100644 CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPssSignNull.c
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/InternalCryptLib.h b/CryptoPkg/Library/BaseCryptLibMbedTls/InternalCryptLib.h
new file mode 100644
index 0000000000..3e56c9a75c
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/InternalCryptLib.h
@@ -0,0 +1,44 @@
+/** @file
+ Internal include file for BaseCryptLib.
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef INTERNAL_CRYPT_LIB_H_
+#define INTERNAL_CRYPT_LIB_H_
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseCryptLib.h>
+#include <stdio.h>
+
+//
+// We should alwasy add mbedtls/config.h here
+// to ensure the config override takes effect.
+//
+#include <mbedtls/mbedtls_config.h>
+
+/**
+ The MbedTLS function f_rng, which MbedRand implements, is not
+ documented well.
+
+ @param[in] RngState RngState.
+ @param[in] Output Output.
+ @param[in] Len Len.
+
+ @retval 0 success.
+ @retval non-zero failed.
+
+**/
+INT32
+MbedRand (
+ VOID *RngState,
+ UINT8 *OutPut,
+ UINTN Len
+ );
+
+#endif
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaBasic.c b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaBasic.c
new file mode 100644
index 0000000000..05c2cbd25a
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaBasic.c
@@ -0,0 +1,268 @@
+/** @file
+ RSA Asymmetric Cipher Wrapper Implementation over MbedTLS.
+
+ This file implements following APIs which provide basic capabilities for RSA:
+ 1) RsaNew
+ 2) RsaFree
+ 3) RsaSetKey
+ 4) RsaPkcs1Verify
+
+ RFC 8017 - PKCS #1: RSA Cryptography Specifications Version 2.2
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "InternalCryptLib.h"
+
+#include <mbedtls/rsa.h>
+
+/**
+ Allocates and initializes one RSA context for subsequent use.
+
+ @return Pointer to the RSA context that has been initialized.
+ If the allocations fails, RsaNew() returns NULL.
+
+**/
+VOID *
+EFIAPI
+RsaNew (
+ VOID
+ )
+{
+ VOID *RsaContext;
+
+ RsaContext = AllocateZeroPool (sizeof (mbedtls_rsa_context));
+ if (RsaContext == NULL) {
+ return RsaContext;
+ }
+
+ mbedtls_rsa_init (RsaContext);
+ if (mbedtls_rsa_set_padding (RsaContext, MBEDTLS_RSA_PKCS_V15, MBEDTLS_MD_NONE) != 0) {
+ return NULL;
+ }
+
+ return RsaContext;
+}
+
+/**
+ Release the specified RSA context.
+
+ @param[in] RsaContext Pointer to the RSA context to be released.
+
+**/
+VOID
+EFIAPI
+RsaFree (
+ IN VOID *RsaContext
+ )
+{
+ mbedtls_rsa_free (RsaContext);
+ if (RsaContext != NULL) {
+ FreePool (RsaContext);
+ }
+}
+
+/**
+ Sets the tag-designated key component into the established RSA context.
+
+ This function sets the tag-designated RSA key component into the established
+ RSA context from the user-specified non-negative integer (octet string format
+ represented in RSA PKCS#1).
+ If BigNumber is NULL, then the specified key component in RSA context is cleared.
+
+ If RsaContext is NULL, then return FALSE.
+
+ @param[in, out] RsaContext Pointer to RSA context being set.
+ @param[in] KeyTag Tag of RSA key component being set.
+ @param[in] BigNumber Pointer to octet integer buffer.
+ If NULL, then the specified key component in RSA
+ context is cleared.
+ @param[in] BnSize Size of big number buffer in bytes.
+ If BigNumber is NULL, then it is ignored.
+
+ @retval TRUE RSA key component was set successfully.
+ @retval FALSE Invalid RSA key component tag.
+
+**/
+BOOLEAN
+EFIAPI
+RsaSetKey (
+ IN OUT VOID *RsaContext,
+ IN RSA_KEY_TAG KeyTag,
+ IN CONST UINT8 *BigNumber,
+ IN UINTN BnSize
+ )
+{
+ mbedtls_rsa_context *RsaKey;
+ INT32 Ret;
+ mbedtls_mpi Value;
+
+ //
+ // Check input parameters.
+ //
+ if ((RsaContext == NULL) || (BnSize > INT_MAX)) {
+ return FALSE;
+ }
+
+ mbedtls_mpi_init (&Value);
+
+ RsaKey = (mbedtls_rsa_context *)RsaContext;
+
+ // if BigNumber is Null clear
+ if (BigNumber != NULL) {
+ Ret = mbedtls_mpi_read_binary (&Value, BigNumber, BnSize);
+ if (Ret != 0) {
+ return FALSE;
+ }
+ }
+
+ switch (KeyTag) {
+ case RsaKeyN:
+ Ret = mbedtls_rsa_import (
+ RsaKey,
+ &Value,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ );
+ break;
+ case RsaKeyE:
+ Ret = mbedtls_rsa_import (
+ RsaKey,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ &Value
+ );
+ break;
+ case RsaKeyD:
+ Ret = mbedtls_rsa_import (
+ RsaKey,
+ NULL,
+ NULL,
+ NULL,
+ &Value,
+ NULL
+ );
+ break;
+ case RsaKeyQ:
+ Ret = mbedtls_rsa_import (
+ RsaKey,
+ NULL,
+ NULL,
+ &Value,
+ NULL,
+ NULL
+ );
+ break;
+ case RsaKeyP:
+ Ret = mbedtls_rsa_import (
+ RsaKey,
+ NULL,
+ &Value,
+ NULL,
+ NULL,
+ NULL
+ );
+ break;
+ case RsaKeyDp:
+ case RsaKeyDq:
+ case RsaKeyQInv:
+ default:
+ Ret = -1;
+ break;
+ }
+
+ mbedtls_rsa_complete (RsaKey);
+ mbedtls_mpi_free (&Value);
+ return Ret == 0;
+}
+
+/**
+ Verifies the RSA-SSA signature with EMSA-PKCS1-v1_5 encoding scheme defined in
+ RSA PKCS#1.
+
+ If RsaContext is NULL, then return FALSE.
+ If MessageHash is NULL, then return FALSE.
+ If Signature is NULL, then return FALSE.
+ If HashSize is not equal to the size of MD5, SHA-1, SHA-256, SHA-384 or SHA-512 digest, then return FALSE.
+
+ @param[in] RsaContext Pointer to RSA context for signature verification.
+ @param[in] MessageHash Pointer to octet message hash to be checked.
+ @param[in] HashSize Size of the message hash in bytes.
+ @param[in] Signature Pointer to RSA PKCS1-v1_5 signature to be verified.
+ @param[in] SigSize Size of signature in bytes.
+
+ @retval TRUE Valid signature encoded in PKCS1-v1_5.
+ @retval FALSE Invalid signature or invalid RSA context.
+
+**/
+BOOLEAN
+EFIAPI
+RsaPkcs1Verify (
+ IN VOID *RsaContext,
+ IN CONST UINT8 *MessageHash,
+ IN UINTN HashSize,
+ IN CONST UINT8 *Signature,
+ IN UINTN SigSize
+ )
+{
+ INT32 Ret;
+ mbedtls_md_type_t md_alg;
+
+ if ((RsaContext == NULL) || (MessageHash == NULL) || (Signature == NULL)) {
+ return FALSE;
+ }
+
+ if ((SigSize > INT_MAX) || (SigSize == 0)) {
+ return FALSE;
+ }
+
+ switch (HashSize) {
+ case MD5_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_MD5;
+ break;
+
+ case SHA1_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_SHA1;
+ break;
+
+ case SHA256_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_SHA256;
+ break;
+
+ case SHA384_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_SHA384;
+ break;
+
+ case SHA512_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_SHA512;
+ break;
+
+ default:
+ return FALSE;
+ }
+
+ if (mbedtls_rsa_get_len (RsaContext) != SigSize) {
+ return FALSE;
+ }
+
+ mbedtls_rsa_set_padding (RsaContext, MBEDTLS_RSA_PKCS_V15, md_alg);
+
+ Ret = mbedtls_rsa_pkcs1_verify (
+ RsaContext,
+ md_alg,
+ (UINT32)HashSize,
+ MessageHash,
+ Signature
+ );
+ if (Ret != 0) {
+ return FALSE;
+ }
+
+ return TRUE;
+}
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaBasicNull.c b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaBasicNull.c
new file mode 100644
index 0000000000..3e643509fd
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaBasicNull.c
@@ -0,0 +1,121 @@
+/** @file
+ RSA Asymmetric Cipher Wrapper Null Implementation.
+
+ This file implements following APIs which provide basic capabilities for RSA:
+ 1) RsaNew
+ 2) RsaFree
+ 3) RsaSetKey
+ 4) RsaPkcs1Verify
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "InternalCryptLib.h"
+
+/**
+ Allocates and initializes one RSA context for subsequent use.
+
+ @return Pointer to the RSA context that has been initialized.
+ If the allocations fails, RsaNew() returns NULL.
+
+**/
+VOID *
+EFIAPI
+RsaNew (
+ VOID
+ )
+{
+ //
+ // Allocates & Initializes RSA Context
+ //
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Release the specified RSA context.
+
+ @param[in] RsaContext Pointer to the RSA context to be released.
+
+**/
+VOID
+EFIAPI
+RsaFree (
+ IN VOID *RsaContext
+ )
+{
+ //
+ // Free RSA Context
+ //
+ ASSERT (FALSE);
+}
+
+/**
+ Sets the tag-designated key component into the established RSA context.
+
+ This function sets the tag-designated RSA key component into the established
+ RSA context from the user-specified non-negative integer (octet string format
+ represented in RSA PKCS#1).
+ If BigNumber is NULL, then the specified key component in RSA context is cleared.
+
+ If RsaContext is NULL, then return FALSE.
+
+ @param[in, out] RsaContext Pointer to RSA context being set.
+ @param[in] KeyTag Tag of RSA key component being set.
+ @param[in] BigNumber Pointer to octet integer buffer.
+ If NULL, then the specified key component in RSA
+ context is cleared.
+ @param[in] BnSize Size of big number buffer in bytes.
+ If BigNumber is NULL, then it is ignored.
+
+ @retval TRUE RSA key component was set successfully.
+ @retval FALSE Invalid RSA key component tag.
+
+**/
+BOOLEAN
+EFIAPI
+RsaSetKey (
+ IN OUT VOID *RsaContext,
+ IN RSA_KEY_TAG KeyTag,
+ IN CONST UINT8 *BigNumber,
+ IN UINTN BnSize
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Verifies the RSA-SSA signature with EMSA-PKCS1-v1_5 encoding scheme defined in
+ RSA PKCS#1.
+
+ If RsaContext is NULL, then return FALSE.
+ If MessageHash is NULL, then return FALSE.
+ If Signature is NULL, then return FALSE.
+ If HashSize is not equal to the size of MD5, SHA-1 or SHA-256 digest, then return FALSE.
+
+ @param[in] RsaContext Pointer to RSA context for signature verification.
+ @param[in] MessageHash Pointer to octet message hash to be checked.
+ @param[in] HashSize Size of the message hash in bytes.
+ @param[in] Signature Pointer to RSA PKCS1-v1_5 signature to be verified.
+ @param[in] SigSize Size of signature in bytes.
+
+ @retval TRUE Valid signature encoded in PKCS1-v1_5.
+ @retval FALSE Invalid signature or invalid RSA context.
+
+**/
+BOOLEAN
+EFIAPI
+RsaPkcs1Verify (
+ IN VOID *RsaContext,
+ IN CONST UINT8 *MessageHash,
+ IN UINTN HashSize,
+ IN CONST UINT8 *Signature,
+ IN UINTN SigSize
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaExt.c b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaExt.c
new file mode 100644
index 0000000000..b4496e9c74
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaExt.c
@@ -0,0 +1,337 @@
+/** @file
+ RSA Asymmetric Cipher Wrapper Implementation over MbedTLS.
+
+ This file implements following APIs which provide more capabilities for RSA:
+ 1) RsaGetKey
+ 2) RsaGenerateKey
+ 3) RsaCheckKey
+ 4) RsaPkcs1Sign
+
+ RFC 8017 - PKCS #1: RSA Cryptography Specifications Version 2.2
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "InternalCryptLib.h"
+#include <mbedtls/rsa.h>
+
+/**
+ Gets the tag-designated RSA key component from the established RSA context.
+
+ This function retrieves the tag-designated RSA key component from the
+ established RSA context as a non-negative integer (octet string format
+ represented in RSA PKCS#1).
+ If specified key component has not been set or has been cleared, then returned
+ BnSize is set to 0.
+ If the BigNumber buffer is too small to hold the contents of the key, FALSE
+ is returned and BnSize is set to the required buffer size to obtain the key.
+
+ If RsaContext is NULL, then return FALSE.
+ If BnSize is NULL, then return FALSE.
+ If BnSize is large enough but BigNumber is NULL, then return FALSE.
+
+ @param[in, out] RsaContext Pointer to RSA context being set.
+ @param[in] KeyTag Tag of RSA key component being set.
+ @param[out] BigNumber Pointer to octet integer buffer.
+ @param[in, out] BnSize On input, the size of big number buffer in bytes.
+ On output, the size of data returned in big number buffer in bytes.
+
+ @retval TRUE RSA key component was retrieved successfully.
+ @retval FALSE Invalid RSA key component tag.
+ @retval FALSE BnSize is too small.
+
+**/
+BOOLEAN
+EFIAPI
+RsaGetKey (
+ IN OUT VOID *RsaContext,
+ IN RSA_KEY_TAG KeyTag,
+ OUT UINT8 *BigNumber,
+ IN OUT UINTN *BnSize
+ )
+{
+ mbedtls_rsa_context *RsaKey;
+ INT32 Ret;
+ mbedtls_mpi Value;
+ UINTN Size;
+
+ //
+ // Check input parameters.
+ //
+ if ((RsaContext == NULL) || (*BnSize > INT_MAX)) {
+ return FALSE;
+ }
+
+ //
+ // Init mbedtls_mpi
+ //
+ mbedtls_mpi_init (&Value);
+ Size = *BnSize;
+ *BnSize = 0;
+
+ RsaKey = (mbedtls_rsa_context *)RsaContext;
+
+ switch (KeyTag) {
+ case RsaKeyN:
+ Ret = mbedtls_rsa_export (RsaKey, &Value, NULL, NULL, NULL, NULL);
+ break;
+ case RsaKeyE:
+ Ret = mbedtls_rsa_export (RsaKey, NULL, NULL, NULL, NULL, &Value);
+ break;
+ case RsaKeyD:
+ Ret = mbedtls_rsa_export (RsaKey, NULL, NULL, NULL, &Value, NULL);
+ break;
+ case RsaKeyQ:
+ Ret = mbedtls_rsa_export (RsaKey, NULL, NULL, &Value, NULL, NULL);
+ break;
+ case RsaKeyP:
+ Ret = mbedtls_rsa_export (RsaKey, NULL, &Value, NULL, NULL, NULL);
+ break;
+ case RsaKeyDp:
+ case RsaKeyDq:
+ case RsaKeyQInv:
+ default:
+ Ret = -1;
+ break;
+ }
+
+ if (Ret != 0) {
+ return FALSE;
+ }
+
+ if (!mbedtls_mpi_size (&Value)) {
+ Ret = 0;
+ goto End;
+ }
+
+ *BnSize = Size;
+
+ if (Ret == 0) {
+ Size = mbedtls_mpi_size (&Value);
+ }
+
+ if (Size == 0) {
+ Ret = 1;
+ goto End;
+ }
+
+ if (*BnSize < Size) {
+ Ret = 1;
+ *BnSize = Size;
+ goto End;
+ }
+
+ if (BigNumber == NULL) {
+ Ret = 0;
+ *BnSize = Size;
+ goto End;
+ }
+
+ if ((BigNumber != NULL) && (Ret == 0)) {
+ Ret = mbedtls_mpi_write_binary (&Value, BigNumber, Size);
+ *BnSize = Size;
+ }
+
+End:
+ mbedtls_mpi_free (&Value);
+ return Ret == 0;
+}
+
+/**
+ Generates RSA key components.
+
+ This function generates RSA key components. It takes RSA public exponent E and
+ length in bits of RSA modulus N as input, and generates all key components.
+ If PublicExponent is NULL, the default RSA public exponent (0x10001) will be used.
+
+ Before this function can be invoked, pseudorandom number generator must be correctly
+ initialized by RandomSeed().
+
+ If RsaContext is NULL, then return FALSE.
+
+ @param[in, out] RsaContext Pointer to RSA context being set.
+ @param[in] ModulusLength Length of RSA modulus N in bits.
+ @param[in] PublicExponent Pointer to RSA public exponent.
+ @param[in] PublicExponentSize Size of RSA public exponent buffer in bytes.
+
+ @retval TRUE RSA key component was generated successfully.
+ @retval FALSE Invalid RSA key component tag.
+
+**/
+BOOLEAN
+EFIAPI
+RsaGenerateKey (
+ IN OUT VOID *RsaContext,
+ IN UINTN ModulusLength,
+ IN CONST UINT8 *PublicExponent,
+ IN UINTN PublicExponentSize
+ )
+{
+ INT32 Ret;
+ mbedtls_rsa_context *Rsa;
+ INT32 PE;
+ mbedtls_mpi E;
+
+ //
+ // Check input parameters.
+ //
+ if ((RsaContext == NULL) || (ModulusLength > INT_MAX) || (PublicExponentSize > INT_MAX)) {
+ return FALSE;
+ }
+
+ Ret = 0;
+ Rsa = (mbedtls_rsa_context *)RsaContext;
+
+ mbedtls_mpi_init (&E);
+
+ if (PublicExponent == NULL) {
+ PE = 0x10001;
+ } else {
+ Ret = mbedtls_mpi_read_binary (&E, PublicExponent, PublicExponentSize);
+ PE = 0x10001;
+ }
+
+ if (Ret == 0) {
+ Ret = mbedtls_rsa_gen_key (
+ Rsa,
+ MbedRand,
+ NULL,
+ (UINT32)ModulusLength,
+ PE
+ );
+ }
+
+ mbedtls_mpi_free (&E);
+ return Ret == 0;
+}
+
+/**
+ Validates key components of RSA context.
+ NOTE: This function performs integrity checks on all the RSA key material, so
+ the RSA key structure must contain all the private key data.
+
+ This function validates key components of RSA context in following aspects:
+ - Whether p is a prime
+ - Whether q is a prime
+ - Whether n = p * q
+ - Whether d*e = 1 mod lcm(p-1,q-1)
+
+ If RsaContext is NULL, then return FALSE.
+
+ @param[in] RsaContext Pointer to RSA context to check.
+
+ @retval TRUE RSA key components are valid.
+ @retval FALSE RSA key components are not valid.
+
+**/
+BOOLEAN
+EFIAPI
+RsaCheckKey (
+ IN VOID *RsaContext
+ )
+{
+ if (RsaContext == NULL) {
+ return FALSE;
+ }
+
+ UINT32 Ret;
+
+ Ret = mbedtls_rsa_complete (RsaContext);
+ if (Ret == 0) {
+ Ret = mbedtls_rsa_check_privkey (RsaContext);
+ }
+
+ return Ret == 0;
+}
+
+/**
+ Carries out the RSA-SSA signature generation with EMSA-PKCS1-v1_5 encoding scheme.
+
+ This function carries out the RSA-SSA signature generation with EMSA-PKCS1-v1_5 encoding scheme defined in
+ RSA PKCS#1.
+ If the Signature buffer is too small to hold the contents of signature, FALSE
+ is returned and SigSize is set to the required buffer size to obtain the signature.
+
+ If RsaContext is NULL, then return FALSE.
+ If MessageHash is NULL, then return FALSE.
+ If HashSize is not equal to the size of MD5, SHA-1, SHA-256, SHA-384 or SHA-512 digest, then return FALSE.
+ If SigSize is large enough but Signature is NULL, then return FALSE.
+
+ @param[in] RsaContext Pointer to RSA context for signature generation.
+ @param[in] MessageHash Pointer to octet message hash to be signed.
+ @param[in] HashSize Size of the message hash in bytes.
+ @param[out] Signature Pointer to buffer to receive RSA PKCS1-v1_5 signature.
+ @param[in, out] SigSize On input, the size of Signature buffer in bytes.
+ On output, the size of data returned in Signature buffer in bytes.
+
+ @retval TRUE Signature successfully generated in PKCS1-v1_5.
+ @retval FALSE Signature generation failed.
+ @retval FALSE SigSize is too small.
+
+**/
+BOOLEAN
+EFIAPI
+RsaPkcs1Sign (
+ IN VOID *RsaContext,
+ IN CONST UINT8 *MessageHash,
+ IN UINTN HashSize,
+ OUT UINT8 *Signature,
+ IN OUT UINTN *SigSize
+ )
+{
+ INT32 Ret;
+ mbedtls_md_type_t md_alg;
+
+ if ((RsaContext == NULL) || (MessageHash == NULL)) {
+ return FALSE;
+ }
+
+ switch (HashSize) {
+ case MD5_DIGEST_SIZE:
+ break;
+
+ case SHA1_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_SHA1;
+ break;
+
+ case SHA256_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_SHA256;
+ break;
+
+ case SHA384_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_SHA384;
+ break;
+
+ case SHA512_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_SHA512;
+ break;
+
+ default:
+ return FALSE;
+ }
+
+ if (mbedtls_rsa_get_len (RsaContext) > *SigSize) {
+ *SigSize = mbedtls_rsa_get_len (RsaContext);
+ return FALSE;
+ }
+
+ mbedtls_rsa_set_padding (RsaContext, MBEDTLS_RSA_PKCS_V15, md_alg);
+
+ Ret = mbedtls_rsa_pkcs1_sign (
+ RsaContext,
+ MbedRand,
+ NULL,
+ md_alg,
+ (UINT32)HashSize,
+ MessageHash,
+ Signature
+ );
+ if (Ret != 0) {
+ return FALSE;
+ }
+
+ *SigSize = mbedtls_rsa_get_len (RsaContext);
+ return TRUE;
+}
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaExtNull.c b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaExtNull.c
new file mode 100644
index 0000000000..be810fb8ca
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaExtNull.c
@@ -0,0 +1,117 @@
+/** @file
+ RSA Asymmetric Cipher Wrapper Implementation over MbedTLS.
+
+ This file does not provide real capabilities for following APIs in RSA handling:
+ 1) RsaGetKey
+ 2) RsaGenerateKey
+ 3) RsaCheckKey
+ 4) RsaPkcs1Sign
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "InternalCryptLib.h"
+
+/**
+ Gets the tag-designated RSA key component from the established RSA context.
+
+ Return FALSE to indicate this interface is not supported.
+
+ @param[in, out] RsaContext Pointer to RSA context being set.
+ @param[in] KeyTag Tag of RSA key component being set.
+ @param[out] BigNumber Pointer to octet integer buffer.
+ @param[in, out] BnSize On input, the size of big number buffer in bytes.
+ On output, the size of data returned in big number buffer in bytes.
+
+ @retval FALSE This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+RsaGetKey (
+ IN OUT VOID *RsaContext,
+ IN RSA_KEY_TAG KeyTag,
+ OUT UINT8 *BigNumber,
+ IN OUT UINTN *BnSize
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Generates RSA key components.
+
+ Return FALSE to indicate this interface is not supported.
+
+ @param[in, out] RsaContext Pointer to RSA context being set.
+ @param[in] ModulusLength Length of RSA modulus N in bits.
+ @param[in] PublicExponent Pointer to RSA public exponent.
+ @param[in] PublicExponentSize Size of RSA public exponent buffer in bytes.
+
+ @retval FALSE This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+RsaGenerateKey (
+ IN OUT VOID *RsaContext,
+ IN UINTN ModulusLength,
+ IN CONST UINT8 *PublicExponent,
+ IN UINTN PublicExponentSize
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Validates key components of RSA context.
+
+ Return FALSE to indicate this interface is not supported.
+
+ @param[in] RsaContext Pointer to RSA context to check.
+
+ @retval FALSE This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+RsaCheckKey (
+ IN VOID *RsaContext
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Carries out the RSA-SSA signature generation with EMSA-PKCS1-v1_5 encoding scheme.
+
+ Return FALSE to indicate this interface is not supported.
+
+ @param[in] RsaContext Pointer to RSA context for signature generation.
+ @param[in] MessageHash Pointer to octet message hash to be signed.
+ @param[in] HashSize Size of the message hash in bytes.
+ @param[out] Signature Pointer to buffer to receive RSA PKCS1-v1_5 signature.
+ @param[in, out] SigSize On input, the size of Signature buffer in bytes.
+ On output, the size of data returned in Signature buffer in bytes.
+
+ @retval FALSE This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+RsaPkcs1Sign (
+ IN VOID *RsaContext,
+ IN CONST UINT8 *MessageHash,
+ IN UINTN HashSize,
+ OUT UINT8 *Signature,
+ IN OUT UINTN *SigSize
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPss.c b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPss.c
new file mode 100644
index 0000000000..370d0cf7e5
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPss.c
@@ -0,0 +1,164 @@
+/** @file
+ RSA Asymmetric Cipher Wrapper Implementation over MbedTLS.
+
+ This file implements following APIs which provide basic capabilities for RSA:
+ 1) RsaPssVerify
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "InternalCryptLib.h"
+#include <mbedtls/rsa.h>
+
+/**
+ Verifies the RSA signature with RSASSA-PSS signature scheme defined in RFC 8017.
+ Implementation determines salt length automatically from the signature encoding.
+ Mask generation function is the same as the message digest algorithm.
+ Salt length should be equal to digest length.
+
+ @param[in] RsaContext Pointer to RSA context for signature verification.
+ @param[in] Message Pointer to octet message to be verified.
+ @param[in] MsgSize Size of the message in bytes.
+ @param[in] Signature Pointer to RSASSA-PSS signature to be verified.
+ @param[in] SigSize Size of signature in bytes.
+ @param[in] DigestLen Length of digest for RSA operation.
+ @param[in] SaltLen Salt length for PSS encoding.
+
+ @retval TRUE Valid signature encoded in RSASSA-PSS.
+ @retval FALSE Invalid signature or invalid RSA context.
+
+**/
+BOOLEAN
+EFIAPI
+RsaPssVerify (
+ IN VOID *RsaContext,
+ IN CONST UINT8 *Message,
+ IN UINTN MsgSize,
+ IN CONST UINT8 *Signature,
+ IN UINTN SigSize,
+ IN UINT16 DigestLen,
+ IN UINT16 SaltLen
+ )
+{
+ INT32 Ret;
+ mbedtls_md_type_t md_alg;
+ UINT8 HashValue[SHA512_DIGEST_SIZE];
+ BOOLEAN Status;
+ UINTN ShaCtxSize;
+ VOID *ShaCtx;
+
+ if (RsaContext == NULL) {
+ return FALSE;
+ }
+
+ if ((Message == NULL) || (MsgSize == 0) || (MsgSize > INT_MAX)) {
+ return FALSE;
+ }
+
+ if (SaltLen != DigestLen) {
+ return FALSE;
+ }
+
+ if ((Signature == NULL) || (SigSize == 0) || (SigSize > INT_MAX)) {
+ return FALSE;
+ }
+
+ ZeroMem (HashValue, DigestLen);
+
+ switch (DigestLen) {
+ case SHA256_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_SHA256;
+ ShaCtxSize = Sha256GetContextSize ();
+ ShaCtx = AllocatePool (ShaCtxSize);
+
+ Status = Sha256Init (ShaCtx);
+ if (!Status) {
+ return FALSE;
+ }
+
+ Status = Sha256Update (ShaCtx, Message, MsgSize);
+ if (!Status) {
+ FreePool (ShaCtx);
+ return FALSE;
+ }
+
+ Status = Sha256Final (ShaCtx, HashValue);
+ if (!Status) {
+ FreePool (ShaCtx);
+ return FALSE;
+ }
+
+ FreePool (ShaCtx);
+ break;
+
+ case SHA384_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_SHA384;
+ ShaCtxSize = Sha384GetContextSize ();
+ ShaCtx = AllocatePool (ShaCtxSize);
+
+ Status = Sha384Init (ShaCtx);
+ if (!Status) {
+ return FALSE;
+ }
+
+ Status = Sha384Update (ShaCtx, Message, MsgSize);
+ if (!Status) {
+ FreePool (ShaCtx);
+ return FALSE;
+ }
+
+ Status = Sha384Final (ShaCtx, HashValue);
+ if (!Status) {
+ FreePool (ShaCtx);
+ return FALSE;
+ }
+
+ FreePool (ShaCtx);
+ break;
+
+ case SHA512_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_SHA512;
+ ShaCtxSize = Sha512GetContextSize ();
+ ShaCtx = AllocatePool (ShaCtxSize);
+
+ Status = Sha512Init (ShaCtx);
+ if (!Status) {
+ return FALSE;
+ }
+
+ Status = Sha512Update (ShaCtx, Message, MsgSize);
+ if (!Status) {
+ FreePool (ShaCtx);
+ return FALSE;
+ }
+
+ Status = Sha512Final (ShaCtx, HashValue);
+ if (!Status) {
+ FreePool (ShaCtx);
+ return FALSE;
+ }
+
+ FreePool (ShaCtx);
+ break;
+
+ default:
+ return FALSE;
+ }
+
+ mbedtls_rsa_set_padding (RsaContext, MBEDTLS_RSA_PKCS_V21, md_alg);
+
+ Ret = mbedtls_rsa_rsassa_pss_verify (
+ RsaContext,
+ md_alg,
+ (UINT32)DigestLen,
+ HashValue,
+ Signature
+ );
+ if (Ret != 0) {
+ return FALSE;
+ }
+
+ return TRUE;
+}
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPssNull.c b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPssNull.c
new file mode 100644
index 0000000000..75ad71a922
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPssNull.c
@@ -0,0 +1,46 @@
+/** @file
+ RSA-PSS Asymmetric Cipher Wrapper Implementation over MbedTLS.
+
+ This file does not provide real capabilities for following APIs in RSA handling:
+ 1) RsaPssVerify
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "InternalCryptLib.h"
+
+/**
+ Verifies the RSA signature with RSASSA-PSS signature scheme defined in RFC 8017.
+ Implementation determines salt length automatically from the signature encoding.
+ Mask generation function is the same as the message digest algorithm.
+ Salt length should be equal to digest length.
+
+ @param[in] RsaContext Pointer to RSA context for signature verification.
+ @param[in] Message Pointer to octet message to be verified.
+ @param[in] MsgSize Size of the message in bytes.
+ @param[in] Signature Pointer to RSASSA-PSS signature to be verified.
+ @param[in] SigSize Size of signature in bytes.
+ @param[in] DigestLen Length of digest for RSA operation.
+ @param[in] SaltLen Salt length for PSS encoding.
+
+ @retval TRUE Valid signature encoded in RSASSA-PSS.
+ @retval FALSE Invalid signature or invalid RSA context.
+
+**/
+BOOLEAN
+EFIAPI
+RsaPssVerify (
+ IN VOID *RsaContext,
+ IN CONST UINT8 *Message,
+ IN UINTN MsgSize,
+ IN CONST UINT8 *Signature,
+ IN UINTN SigSize,
+ IN UINT16 DigestLen,
+ IN UINT16 SaltLen
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPssSign.c b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPssSign.c
new file mode 100644
index 0000000000..db7bac5676
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPssSign.c
@@ -0,0 +1,231 @@
+/** @file
+ RSA PSS Asymmetric Cipher Wrapper Implementation over MbedTLS.
+
+ This file implements following APIs which provide basic capabilities for RSA:
+ 1) RsaPssSign
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "InternalCryptLib.h"
+#include <mbedtls/rsa.h>
+#include <Library/RngLib.h>
+
+/**
+ The MbedTLS function f_rng, which MbedRand implements, is not
+ documented well.
+
+ @param[in] RngState RngState.
+ @param[in] Output Output.
+ @param[in] Len Len.
+
+ @retval 0 success.
+ @retval non-zero failed.
+
+**/
+INT32
+MbedRand (
+ VOID *RngState,
+ UINT8 *Output,
+ UINTN Len
+ )
+{
+ BOOLEAN Ret;
+ UINT64 TempRand;
+
+ Ret = FALSE;
+
+ while (Len > 0) {
+ // Use RngLib to get random number
+ Ret = GetRandomNumber64 (&TempRand);
+
+ if (!Ret) {
+ return Ret;
+ }
+
+ if (Len >= sizeof (TempRand)) {
+ *((UINT64 *)Output) = TempRand;
+ Output += sizeof (UINT64);
+ Len -= sizeof (TempRand);
+ } else {
+ CopyMem (Output, &TempRand, Len);
+ Len = 0;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ Carries out the RSA-SSA signature generation with EMSA-PSS encoding scheme.
+
+ This function carries out the RSA-SSA signature generation with EMSA-PSS encoding scheme defined in
+ RFC 8017.
+ Mask generation function is the same as the message digest algorithm.
+ If the Signature buffer is too small to hold the contents of signature, FALSE
+ is returned and SigSize is set to the required buffer size to obtain the signature.
+
+ If RsaContext is NULL, then return FALSE.
+ If Message is NULL, then return FALSE.
+ If MsgSize is zero or > INT_MAX, then return FALSE.
+ If DigestLen is NOT 32, 48 or 64, return FALSE.
+ If SaltLen is not equal to DigestLen, then return FALSE.
+ If SigSize is large enough but Signature is NULL, then return FALSE.
+ If this interface is not supported, then return FALSE.
+
+ @param[in] RsaContext Pointer to RSA context for signature generation.
+ @param[in] Message Pointer to octet message to be signed.
+ @param[in] MsgSize Size of the message in bytes.
+ @param[in] DigestLen Length of the digest in bytes to be used for RSA signature operation.
+ @param[in] SaltLen Length of the salt in bytes to be used for PSS encoding.
+ @param[out] Signature Pointer to buffer to receive RSA PSS signature.
+ @param[in, out] SigSize On input, the size of Signature buffer in bytes.
+ On output, the size of data returned in Signature buffer in bytes.
+
+ @retval TRUE Signature successfully generated in RSASSA-PSS.
+ @retval FALSE Signature generation failed.
+ @retval FALSE SigSize is too small.
+ @retval FALSE This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+RsaPssSign (
+ IN VOID *RsaContext,
+ IN CONST UINT8 *Message,
+ IN UINTN MsgSize,
+ IN UINT16 DigestLen,
+ IN UINT16 SaltLen,
+ OUT UINT8 *Signature,
+ IN OUT UINTN *SigSize
+ )
+{
+ INT32 Ret;
+ mbedtls_md_type_t md_alg;
+ UINT8 HashValue[SHA512_DIGEST_SIZE];
+ BOOLEAN Status;
+ UINTN ShaCtxSize;
+ VOID *ShaCtx;
+
+ if (RsaContext == NULL) {
+ return FALSE;
+ }
+
+ if ((Message == NULL) || (MsgSize == 0) || (MsgSize > INT_MAX)) {
+ return FALSE;
+ }
+
+ if (SaltLen != DigestLen) {
+ return FALSE;
+ }
+
+ ZeroMem (HashValue, DigestLen);
+
+ switch (DigestLen) {
+ case SHA256_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_SHA256;
+ ShaCtxSize = Sha256GetContextSize ();
+ ShaCtx = AllocatePool (ShaCtxSize);
+
+ Status = Sha256Init (ShaCtx);
+ if (!Status) {
+ return FALSE;
+ }
+
+ Status = Sha256Update (ShaCtx, Message, MsgSize);
+ if (!Status) {
+ FreePool (ShaCtx);
+ return FALSE;
+ }
+
+ Status = Sha256Final (ShaCtx, HashValue);
+ if (!Status) {
+ FreePool (ShaCtx);
+ return FALSE;
+ }
+
+ FreePool (ShaCtx);
+ break;
+
+ case SHA384_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_SHA384;
+ ShaCtxSize = Sha384GetContextSize ();
+ ShaCtx = AllocatePool (ShaCtxSize);
+
+ Status = Sha384Init (ShaCtx);
+ if (!Status) {
+ return FALSE;
+ }
+
+ Status = Sha384Update (ShaCtx, Message, MsgSize);
+ if (!Status) {
+ FreePool (ShaCtx);
+ return FALSE;
+ }
+
+ Status = Sha384Final (ShaCtx, HashValue);
+ if (!Status) {
+ FreePool (ShaCtx);
+ return FALSE;
+ }
+
+ FreePool (ShaCtx);
+ break;
+
+ case SHA512_DIGEST_SIZE:
+ md_alg = MBEDTLS_MD_SHA512;
+ ShaCtxSize = Sha512GetContextSize ();
+ ShaCtx = AllocatePool (ShaCtxSize);
+
+ Status = Sha512Init (ShaCtx);
+ if (!Status) {
+ return FALSE;
+ }
+
+ Status = Sha512Update (ShaCtx, Message, MsgSize);
+ if (!Status) {
+ FreePool (ShaCtx);
+ return FALSE;
+ }
+
+ Status = Sha512Final (ShaCtx, HashValue);
+ if (!Status) {
+ FreePool (ShaCtx);
+ return FALSE;
+ }
+
+ FreePool (ShaCtx);
+ break;
+
+ default:
+ return FALSE;
+ }
+
+ if (Signature == NULL) {
+ //
+ // If Signature is NULL, return safe SignatureSize
+ //
+ *SigSize = MBEDTLS_MPI_MAX_SIZE;
+ return FALSE;
+ }
+
+ mbedtls_rsa_set_padding (RsaContext, MBEDTLS_RSA_PKCS_V21, md_alg);
+
+ Ret = mbedtls_rsa_rsassa_pss_sign (
+ RsaContext,
+ MbedRand,
+ NULL,
+ md_alg,
+ (UINT32)DigestLen,
+ HashValue,
+ Signature
+ );
+ if (Ret != 0) {
+ return FALSE;
+ }
+
+ *SigSize = ((mbedtls_rsa_context *)RsaContext)->len;
+ return TRUE;
+}
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPssSignNull.c b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPssSignNull.c
new file mode 100644
index 0000000000..10687bd38e
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/Pk/CryptRsaPssSignNull.c
@@ -0,0 +1,60 @@
+/** @file
+ RSA-PSS Asymmetric Cipher Wrapper Implementation over MbedTLS.
+
+ This file does not provide real capabilities for following APIs in RSA handling:
+ 1) RsaPssSign
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "InternalCryptLib.h"
+
+/**
+ Carries out the RSA-SSA signature generation with EMSA-PSS encoding scheme.
+
+ This function carries out the RSA-SSA signature generation with EMSA-PSS encoding scheme defined in
+ RFC 8017.
+ Mask generation function is the same as the message digest algorithm.
+ If the Signature buffer is too small to hold the contents of signature, FALSE
+ is returned and SigSize is set to the required buffer size to obtain the signature.
+
+ If RsaContext is NULL, then return FALSE.
+ If Message is NULL, then return FALSE.
+ If MsgSize is zero or > INT_MAX, then return FALSE.
+ If DigestLen is NOT 32, 48 or 64, return FALSE.
+ If SaltLen is not equal to DigestLen, then return FALSE.
+ If SigSize is large enough but Signature is NULL, then return FALSE.
+ If this interface is not supported, then return FALSE.
+
+ @param[in] RsaContext Pointer to RSA context for signature generation.
+ @param[in] Message Pointer to octet message to be signed.
+ @param[in] MsgSize Size of the message in bytes.
+ @param[in] DigestLen Length of the digest in bytes to be used for RSA signature operation.
+ @param[in] SaltLen Length of the salt in bytes to be used for PSS encoding.
+ @param[out] Signature Pointer to buffer to receive RSA PSS signature.
+ @param[in, out] SigSize On input, the size of Signature buffer in bytes.
+ On output, the size of data returned in Signature buffer in bytes.
+
+ @retval TRUE Signature successfully generated in RSASSA-PSS.
+ @retval FALSE Signature generation failed.
+ @retval FALSE SigSize is too small.
+ @retval FALSE This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+RsaPssSign (
+ IN VOID *RsaContext,
+ IN CONST UINT8 *Message,
+ IN UINTN MsgSize,
+ IN UINT16 DigestLen,
+ IN UINT16 SaltLen,
+ OUT UINT8 *Signature,
+ IN OUT UINTN *SigSize
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
--
2.26.2.windows.1
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