Implemented pipelined hash calculation in LoadFirmware()

vboot_firmware/lib/include/vboot_common.h

 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  * Common functions between firmware and kernel verified boot.
  */
 
 #ifndef VBOOT_REFERENCE_VBOOT_COMMON_H_
 #define VBOOT_REFERENCE_VBOOT_COMMON_H_
 
@@ skipping 49 matching lines @@
  *
  * Returns NULL if error. */
 RSAPublicKey* PublicKeyToRSA(const VbPublicKey* key);
 
 
 /* Verifies [data] matches signature [sig] using [key]. */
 int VerifyData(const uint8_t* data, const VbSignature* sig,
                const RSAPublicKey* key);
 
 
+/* Verifies a secure hash digest from DigestBuf() or DigestFinal(),
+ * using [key]. */
+int VerifyDigest(const uint8_t* digest, const VbSignature *sig,
+                 const RSAPublicKey* key);
+
+
 /* Checks the sanity of a key block of size [size] bytes, using public
  * key [key].  If [key]==NULL, uses only the block checksum to verify
  * the key block.  Header fields are also checked for sanity.  Does not
  * verify key index or key block flags. */
 int KeyBlockVerify(const VbKeyBlockHeader* block, uint64_t size,
                    const VbPublicKey *key);
 
 
 /* Checks the sanity of a firmware preamble of size [size] bytes,
  * using public key [key].
  *
  * Returns VBOOT_SUCCESS if successful. */
 int VerifyFirmwarePreamble2(const VbFirmwarePreambleHeader* preamble,
                            uint64_t size, const RSAPublicKey* key);
 
 
 /* Checks the sanity of a kernel preamble of size [size] bytes,
  * using public key [key].
  *
  * Returns VBOOT_SUCCESS if successful. */
 int VerifyKernelPreamble2(const VbKernelPreambleHeader* preamble,
                          uint64_t size, const RSAPublicKey* key);
 
 
 
 
 #endif  /* VBOOT_REFERENCE_VBOOT_COMMON_H_ */