diff options
Diffstat (limited to 'CryptoPkg/Include/Protocol')
| -rw-r--r-- | CryptoPkg/Include/Protocol/RuntimeCrypt.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/CryptoPkg/Include/Protocol/RuntimeCrypt.h b/CryptoPkg/Include/Protocol/RuntimeCrypt.h new file mode 100644 index 0000000000..bb97d9102e --- /dev/null +++ b/CryptoPkg/Include/Protocol/RuntimeCrypt.h @@ -0,0 +1,204 @@ +/** @file
+ The runtime cryptographic protocol.
+ Only limited crypto primitives (SHA-256 and RSA) are provided for runtime
+ authenticated variable service.
+
+Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __EFI_RUNTIME_CRYPT_PROTOCOL_H__
+#define __EFI_RUNTIME_CRYPT_PROTOCOL_H__
+
+#include <Library/BaseCryptLib.h>
+
+///
+/// Runtime Cryptographic Protocol GUID.
+///
+#define EFI_RUNTIME_CRYPT_PROTOCOL_GUID \
+ { \
+ 0xe1475e0c, 0x1746, 0x4802, { 0x86, 0x2e, 0x1, 0x1c, 0x2c, 0x2d, 0x9d, 0x86 } \
+ }
+
+/**
+ Retrieves the size, in bytes, of the context buffer required for SHA-256 operations.
+
+ @return The size, in bytes, of the context buffer required for SHA-256 operations.
+
+**/
+typedef
+UINTN
+(EFIAPI *EFI_RUNTIME_CRYPT_SHA256_GET_CONTEXT_SIZE) (
+ VOID
+ );
+
+
+/**
+ Initializes user-supplied memory pointed by Sha256Context as SHA-256 hash context for
+ subsequent use.
+
+ If Sha256Context is NULL, then ASSERT().
+
+ @param[in, out] Sha256Context Pointer to SHA-256 Context being initialized.
+
+ @retval TRUE SHA-256 context initialization succeeded.
+ @retval FALSE SHA-256 context initialization failed.
+
+**/
+typedef
+BOOLEAN
+(EFIAPI *EFI_RUNTIME_CRYPT_SHA256_INIT) (
+ IN OUT VOID *Sha256Context
+ );
+
+
+/**
+ Performs SHA-256 digest on a data buffer of the specified length. This function can
+ be called multiple times to compute the digest of long or discontinuous data streams.
+
+ If Sha256Context is NULL, then ASSERT().
+
+ @param[in, out] Sha256Context Pointer to the SHA-256 context.
+ @param[in] Data Pointer to the buffer containing the data to be hashed.
+ @param[in] DataLength Length of Data buffer in bytes.
+
+ @retval TRUE SHA-256 data digest succeeded.
+ @retval FALSE Invalid SHA-256 context. After Sha256Final function has been called, the
+ SHA-256 context cannot be reused.
+
+**/
+typedef
+BOOLEAN
+(EFIAPI *EFI_RUNTIME_CRYPT_SHA256_UPDATE) (
+ IN OUT VOID *Sha256Context,
+ IN CONST VOID *Data,
+ IN UINTN DataLength
+ );
+
+
+/**
+ Completes SHA-256 hash computation and retrieves the digest value into the specified
+ memory. After this function has been called, the SHA-256 context cannot be used again.
+
+ If Sha256Context is NULL, then ASSERT().
+ If HashValue is NULL, then ASSERT().
+
+ @param[in, out] Sha256Context Pointer to SHA-256 context
+ @param[out] HashValue Pointer to a buffer that receives the SHA-256 digest
+ value (32 bytes).
+
+ @retval TRUE SHA-256 digest computation succeeded.
+ @retval FALSE SHA-256 digest computation failed.
+
+**/
+typedef
+BOOLEAN
+(EFIAPI *EFI_RUNTIME_CRYPT_SHA256_FINAL) (
+ IN OUT VOID *Sha256Context,
+ OUT UINT8 *HashValue
+ );
+
+
+/**
+ 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.
+
+**/
+typedef
+VOID *
+(EFIAPI *EFI_RUNTIME_CRYPT_RSA_NEW) (
+ VOID
+ );
+
+/**
+ Release the specified RSA Context.
+
+ @param[in] RsaContext Pointer to the RSA context to be released.
+
+**/
+typedef
+VOID
+(EFIAPI *EFI_RUNTIME_CRYPT_RSA_FREE) (
+ IN VOID *RsaContext
+ );
+
+/**
+ Sets the tag-designated RSA key component into the established RSA context from
+ the user-specified nonnegative integer (octet string format represented in RSA
+ PKCS#1).
+
+ If RsaContext is NULL, then ASSERT().
+
+ @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.
+ @param[in] BnLength Length of big number buffer in bytes.
+
+ @return TRUE RSA key component was set successfully.
+ @return FALSE Invalid RSA key component tag.
+
+**/
+typedef
+BOOLEAN
+(EFIAPI *EFI_RUNTIME_CRYPT_RSA_SET_KEY) (
+ IN OUT VOID *RsaContext,
+ IN RSA_KEY_TAG KeyTag,
+ IN CONST UINT8 *BigNumber,
+ IN UINTN BnLength
+ );
+
+/**
+ Verifies the RSA-SSA signature with EMSA-PKCS1-v1_5 encoding scheme defined in
+ RSA PKCS#1.
+
+ If RsaContext is NULL, then ASSERT().
+ If MessageHash is NULL, then ASSERT().
+ If Signature is NULL, then ASSERT().
+ If HashLength is not equal to the size of MD5, SHA-1 or SHA-256 digest, then ASSERT().
+
+ @param[in] RsaContext Pointer to RSA context for signature verification.
+ @param[in] MessageHash Pointer to octet message hash to be checked.
+ @param[in] HashLength Length of the message hash in bytes.
+ @param[in] Signature Pointer to RSA PKCS1-v1_5 signature to be verified.
+ @param[in] SigLength Length of signature in bytes.
+
+ @return TRUE Valid signature encoded in PKCS1-v1_5.
+ @return FALSE Invalid signature or invalid RSA context.
+
+**/
+typedef
+BOOLEAN
+(EFIAPI *EFI_RUNTIME_CRYPT_RSA_PKCS1_VERIFY) (
+ IN VOID *RsaContext,
+ IN CONST UINT8 *MessageHash,
+ IN UINTN HashLength,
+ IN UINT8 *Signature,
+ IN UINTN SigLength
+ );
+
+///
+/// Runtime Cryptographic Protocol Structure.
+///
+typedef struct {
+ EFI_RUNTIME_CRYPT_SHA256_GET_CONTEXT_SIZE Sha256GetContextSize;
+ EFI_RUNTIME_CRYPT_SHA256_INIT Sha256Init;
+ EFI_RUNTIME_CRYPT_SHA256_UPDATE Sha256Update;
+ EFI_RUNTIME_CRYPT_SHA256_FINAL Sha256Final;
+ EFI_RUNTIME_CRYPT_RSA_NEW RsaNew;
+ EFI_RUNTIME_CRYPT_RSA_FREE RsaFree;
+ EFI_RUNTIME_CRYPT_RSA_SET_KEY RsaSetKey;
+ EFI_RUNTIME_CRYPT_RSA_PKCS1_VERIFY RsaPkcs1Verify;
+} EFI_RUNTIME_CRYPT_PROTOCOL;
+
+extern EFI_GUID gEfiRuntimeCryptProtocolGuid;
+
+#endif
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