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CryptoPkg: Add ECC related usage reference 

Describes the use cases under which ECC needs to be enabled,
and provides the impact on memory size for developers' reference.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Xiaoyu Lu <xiaoyux.lu@intel.com>
Cc: Guomin Jiang <guomin.jiang@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>

Signed-off-by: Yi Li <yi1.li@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Yi Li 2022-09-25 17:26:20 +08:00 committed by mergify[bot]
parent 3b382f5b38
commit 2157a23a86
1 changed files with 29 additions and 0 deletions
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29
CryptoPkg/CryptoPkg.dec
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@ -83,7 +83,36 @@
## Enable/Disable the ECC feature in openssl library. The default is disabled.
# If ECC feature is disabled, all related source files will not be compiled.
# @Prompt Enable/Disable ECC feature in openssl library
gEfiCryptoPkgTokenSpaceGuid.PcdOpensslEcEnabled|FALSE|BOOLEAN|0x0000003
# Set it to TRUE if:
# 1) Platform needs ECC in TLS, or asymmetric cryptography services such as
# X509 certificate or PEM format data processing.
# 2) Platform needs to enable PcdCryptoServiceFamilyEnable.Ec service.
# Please note:
# ECC feature will cause a significant memory increase, approximate memory impact
# in below table for reference by platform developers with FW size limitations.
# Uncompressed LZMA Compressed
# CPU CRYPTO_SERVICES Module EC=FALSE EC=TRUE EC=FALSE EC=TRUE Increase
# ==== =============== ======== ======== ======= ======== ======= ========
# IA32 NONE CryptoPei 21536 21568 0 KB
# IA32 NONE CryptoDxe 21632 21696 0 KB
# IA32 NONE CryptoSmm 22976 23072 0 KB
# IA32 MIN_PEI CryptoPei 248992 249120 0 KB
# IA32 MIN_DXE_MIN_SMM CryptoDxe 636672 829568 288520 401034 113 KB
# IA32 MIN_DXE_MIN_SMM CryptoSmm 426048 601472 191517 296022 105 KB
# IA32 ALL CryptoPei 423840 598976 189047 293759 104 KB
# IA32 ALL CryptoDxe 645280 838144 292955 405277 113 KB
# IA32 ALL CryptoSmm 441888 617184 198779 303628 105 KB
# X64 NONE CryptoPei 29632 29664 0 KB
# X64 NONE CryptoDxe 29792 29792 0 KB
# X64 NONE CryptoSmm 31296 31296 0 KB
# X64 MIN_PEI CryptoPei 310784 310848 0 KB
# X64 MIN_DXE_MIN_SMM CryptoDxe 804288 1016256 311436 426596 115 KB
# X64 MIN_DXE_MIN_SMM CryptoSmm 543776 733920 204483 310775 106 KB
# X64 ALL CryptoPei 540384 730240 202494 308467 106 KB
# X64 ALL CryptoDxe 815392 1027296 316228 431321 115 KB
# X64 ALL CryptoSmm 563648 753696 213488 319644 106 KB
[UserExtensions.TianoCore."ExtraFiles"]
CryptoPkgExtra.uni