CryptoPkg: Fix coding style

[mirror_edk2.git] / CryptoPkg / Include / Library / BaseCryptLib.h

diff --git a/CryptoPkg/Include/Library/BaseCryptLib.h b/CryptoPkg/Include/Library/BaseCryptLib.h
index 19d1afe3c8c0b81330fb19fe3369c8e185c4d5bf..8fe303a0b390c1103fbf2373309e93742a109f25 100644 (file)
--- a/CryptoPkg/Include/Library/BaseCryptLib.h
+++ b/CryptoPkg/Include/Library/BaseCryptLib.h
@@ -3122,4 +3122,37 @@ RandomBytes (
   IN   UINTN  Size\r
   );\r
 \r
+//=====================================================================================\r
+//    Key Derivation Function Primitive\r
+//=====================================================================================\r
+\r
+/**\r
+  Derive key data using HMAC-SHA256 based KDF.\r
+\r
+  @param[in]   Key              Pointer to the user-supplied key.\r
+  @param[in]   KeySize          Key size in bytes.\r
+  @param[in]   Salt             Pointer to the salt(non-secret) value.\r
+  @param[in]   SaltSize         Salt size in bytes.\r
+  @param[in]   Info             Pointer to the application specific info.\r
+  @param[in]   InfoSize         Info size in bytes.\r
+  @param[out]  Out              Pointer to buffer to receive hkdf value.\r
+  @param[in]   OutSize          Size of hkdf bytes to generate.\r
+\r
+  @retval TRUE   Hkdf generated successfully.\r
+  @retval FALSE  Hkdf generation failed.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+HkdfSha256ExtractAndExpand (\r
+  IN   CONST UINT8  *Key,\r
+  IN   UINTN        KeySize,\r
+  IN   CONST UINT8  *Salt,\r
+  IN   UINTN        SaltSize,\r
+  IN   CONST UINT8  *Info,\r
+  IN   UINTN        InfoSize,\r
+  OUT  UINT8        *Out,\r
+  IN   UINTN        OutSize\r
+  );\r
+\r
 #endif // __BASE_CRYPT_LIB_H__\r