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Diffstat (limited to 'MdePkg/Include/Protocol/Hash.h')
-rw-r--r--MdePkg/Include/Protocol/Hash.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/MdePkg/Include/Protocol/Hash.h b/MdePkg/Include/Protocol/Hash.h
index 1f9b3b32ae..0bee694a5b 100644
--- a/MdePkg/Include/Protocol/Hash.h
+++ b/MdePkg/Include/Protocol/Hash.h
@@ -105,7 +105,7 @@ typedef union {
@param[out] HashSize Holds the returned size of the algorithm's hash.
@retval EFI_SUCCESS Hash size returned successfully.
- @retval EFI_INVALID_PARAMETER HashSize is NULL
+ @retval EFI_INVALID_PARAMETER HashSize is NULL or HashAlgorithm is NULL.
@retval EFI_UNSUPPORTED The algorithm specified by HashAlgorithm is not supported
by this driver.
@@ -135,7 +135,8 @@ EFI_STATUS
array will contain the result of the hash computation.
@retval EFI_SUCCESS Hash returned successfully.
- @retval EFI_INVALID_PARAMETER Message or Hash is NULL
+ @retval EFI_INVALID_PARAMETER Message or Hash, HashAlgorithm is NULL or MessageSize is 0.
+ MessageSize is not an integer multiple of block size.
@retval EFI_UNSUPPORTED The algorithm specified by HashAlgorithm is not supported by this
driver. Or, Extend is TRUE, and the algorithm doesn't support extending the hash.