CryptoPkg/BaseCryptLib: remove unused code for IPF

[mirror_edk2.git] / CryptoPkg / Library / BaseCryptLib / Rand / CryptRandItc.c

diff --git a/CryptoPkg/Library/BaseCryptLib/Rand/CryptRandItc.c b/CryptoPkg/Library/BaseCryptLib/Rand/CryptRandItc.c
deleted file mode 100644 (file)
index 8699cfe..0000000
--- a/CryptoPkg/Library/BaseCryptLib/Rand/CryptRandItc.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/** @file\r
-  Pseudorandom Number Generator Wrapper Implementation over OpenSSL.\r
-\r
-Copyright (c) 2012 - 2018, Intel Corporation. All rights reserved.<BR>\r
-SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
-**/\r
-\r
-#include "InternalCryptLib.h"\r
-#include <openssl/rand.h>\r
-#include <openssl/evp.h>\r
-#include <Library/PrintLib.h>\r
-\r
-/**\r
-  Sets up the seed value for the pseudorandom number generator.\r
-\r
-  This function sets up the seed value for the pseudorandom number generator.\r
-  If Seed is not NULL, then the seed passed in is used.\r
-  If Seed is NULL, then default seed is used.\r
-\r
-  @param[in]  Seed      Pointer to seed value.\r
-                        If NULL, default seed is used.\r
-  @param[in]  SeedSize  Size of seed value.\r
-                        If Seed is NULL, this parameter is ignored.\r
-\r
-  @retval TRUE   Pseudorandom number generator has enough entropy for random generation.\r
-  @retval FALSE  Pseudorandom number generator does not have enough entropy for random generation.\r
-\r
-**/\r
-BOOLEAN\r
-EFIAPI\r
-RandomSeed (\r
-  IN  CONST  UINT8  *Seed  OPTIONAL,\r
-  IN  UINTN         SeedSize\r
-  )\r
-{\r
-  CHAR8  DefaultSeed[128];\r
-\r
-  if (SeedSize > INT_MAX) {\r
-    return FALSE;\r
-  }\r
-\r
-  //\r
-  // The software PRNG implementation built in OpenSSL depends on message digest algorithm.\r
-  // Make sure SHA-1 digest algorithm is available here.\r
-  //\r
-  if (EVP_add_digest (EVP_sha1 ()) == 0) {\r
-    return FALSE;\r
-  }\r
-\r
-  //\r
-  // Seed the pseudorandom number generator with user-supplied value.\r
-  // NOTE: A cryptographic PRNG must be seeded with unpredictable data.\r
-  //\r
-  if (Seed != NULL) {\r
-    RAND_seed (Seed, (UINT32) SeedSize);\r
-  } else {\r
-    //\r
-    // Retrieve current time.\r
-    //\r
-    AsciiSPrint (\r
-      DefaultSeed,\r
-      sizeof (DefaultSeed),\r
-      "UEFI Crypto Library default seed (%ld)",\r
-      AsmReadItc ()\r
-      );\r
-\r
-    RAND_seed (DefaultSeed, sizeof (DefaultSeed));\r
-  }\r
-\r
-  if (RAND_status () == 1) {\r
-    return TRUE;\r
-  }\r
-\r
-  return FALSE;\r
-}\r
-\r
-/**\r
-  Generates a pseudorandom byte stream of the specified size.\r
-\r
-  If Output is NULL, then return FALSE.\r
-\r
-  @param[out]  Output  Pointer to buffer to receive random value.\r
-  @param[in]   Size    Size of random bytes to generate.\r
-\r
-  @retval TRUE   Pseudorandom byte stream generated successfully.\r
-  @retval FALSE  Pseudorandom number generator fails to generate due to lack of entropy.\r
-\r
-**/\r
-BOOLEAN\r
-EFIAPI\r
-RandomBytes (\r
-  OUT  UINT8  *Output,\r
-  IN   UINTN  Size\r
-  )\r
-{\r
-  //\r
-  // Check input parameters.\r
-  //\r
-  if (Output == NULL || Size > INT_MAX) {\r
-    return FALSE;\r
-  }\r
-\r
-  //\r
-  // Generate random data.\r
-  //\r
-  if (RAND_bytes (Output, (UINT32) Size) != 1) {\r
-    return FALSE;\r
-  }\r
-\r
-  return TRUE;\r
-}\r