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CryptoPkg: Update HMAC Wrapper with opaque HMAC_CTX object.

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OpenSSL-1.1.xx makes most data structures opaque.
This patch updated HMAC Wrapper implementation with opaque
HMAC_CTX object.
The HmacXXGetContextSize() is marked as deprecated, and updated
to use the fixed HMAC_CTX size, which is just kept for compatibility.
New APIs (HmacXXNew(), HmacXXFree()) were added  as the recommended
HMAC_CTX usage interfaces for HMAC-XXXX operations.

Cc: Ting Ye <ting.ye@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Gary Lin <glin@suse.com>
Cc: Ronald Cron <ronald.cron@arm.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qin Long <qin.long@intel.com>
Reviewed-by: Ting Ye <ting.ye@intel.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Qin Long
2017-03-23 20:47:34 +08:00
parent ec7ad9e103
commit 4c27024399
7 changed files with 411 additions and 29 deletions
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40
CryptoPkg/Library/BaseCryptLib/Hmac/CryptHmacMd5Null.c
View File

@@ -1,7 +1,7 @@
/** @file
HMAC-MD5 Wrapper Implementation which does not provide real capabilities.
Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2012 - 2017, 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
@@ -16,6 +16,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
/**
Retrieves the size, in bytes, of the context buffer required for HMAC-MD5 operations.
(NOTE: This API is deprecated.
Use HmacMd5New() / HmacMd5Free() for HMAC-MD5 Context operations.)
Return zero to indicate this interface is not supported.
@@ -32,6 +34,42 @@ HmacMd5GetContextSize (
return 0;
}
/**
Allocates and initializes one HMAC_CTX context for subsequent HMAC-MD5 use.
Return NULL to indicate this interface is not supported.
@retval NULL This interface is not supported.
**/
VOID *
EFIAPI
HmacMd5New (
VOID
)
{
ASSERT (FALSE);
return NULL;
}
/**
Release the specified HMAC_CTX context.
This function will do nothing.
@param[in] HmacMd5Ctx Pointer to the HMAC_CTX context to be released.
**/
VOID
EFIAPI
HmacMd5Free (
IN VOID *HmacMd5Ctx
)
{
ASSERT (FALSE);
return;
}
/**
Initializes user-supplied memory pointed by HmacMd5Context as HMAC-MD5 context for
subsequent use.