2ac68e8b54
The main changes includes: 1. Enabling SHA384 and SHA512 digest algorithm; (Sha512.c) 2. RFC 3161 timestamp signature verification support; (CryptTs.c) 3. Fixed one ASN.1 length encoding issue in Authenticode verification routine. (CryptAuthenticode.c) 4. Add the corresponding test cases in Cryptest utility (SHA384 & SHA512 & Timestamp verification) Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Qin Long <qin.long@intel.com> Reviewed-by: Guo Dong <guo.dong@intel.com> Reviewed-by: Ting Ye <ting.ye@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16339 6f19259b-4bc3-4df7-8a09-765794883524
67 lines
1.6 KiB
ArmAsm
67 lines
1.6 KiB
ArmAsm
#------------------------------------------------------------------------------
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#
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# Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php.
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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# Module Name:
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#
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# MathRShiftU64.S
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#
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# Abstract:
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#
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# 64-bit Math Worker Function.
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# Shifts a 64-bit unsigned value right by a certain number of bits.
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#
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#------------------------------------------------------------------------------
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.686:
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.code:
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ASM_GLOBAL ASM_PFX(__ashrdi3)
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#------------------------------------------------------------------------------
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#
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# void __cdecl __ashrdi3 (void)
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#
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#------------------------------------------------------------------------------
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ASM_PFX(__ashrdi3):
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#
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# Checking: Only handle 64bit shifting or more
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#
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cmpb $64, %cl
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jae _Exit
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#
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# Handle shifting between 0 and 31 bits
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#
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cmpb $32, %cl
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jae More32
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shrd %cl, %edx, %eax
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shr %cl, %edx
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ret
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#
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# Handle shifting of 32-63 bits
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#
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More32:
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movl %edx, %eax
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xor %edx, %edx
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and $31, %cl
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shr %cl, %eax
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ret
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#
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# Invalid number (less then 32bits), return 0
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#
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_Exit:
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xor %eax, %eax
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xor %edx, %edx
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ret
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