Add SHE (Secure Hardware Extension) support to wolfCrypt#10009
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night1rider wants to merge 2 commits intowolfSSL:masterfrom
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Add SHE (Secure Hardware Extension) support to wolfCrypt#10009night1rider wants to merge 2 commits intowolfSSL:masterfrom
night1rider wants to merge 2 commits intowolfSSL:masterfrom
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Implements software-only SHE CMD_LOAD_KEY message generation (M1/M2/M3) and verification message computation (M4/M5) with optional crypto callback support for hardware offload.
New files:
- wolfssl/wolfcrypt/she.h: API declarations, constants, wc_SHE context
- wolfcrypt/src/she.c: Miyaguchi-Preneel KDF, message generation, verification computation, export, and crypto callback integration
- tests/api/test_she.c/h: API tests with 98.2% line / 100% function coverage
API:
- wc_SHE_Init/Free, Init_Id, Init_Label (lifecycle)
- wc_SHE_SetUID (callback optional), SetAuthKey, SetNewKey, SetCounter, SetFlags (setters)
- wc_SHE_GenerateLoadKey (software M1/M2/M3 generation)
- wc_SHE_ComputeVerification (callback optional M4/M5 computation)
- wc_SHE_ExportKey (callback optional, partial export with size checks)
Crypto callback integration:
- WC_ALGO_TYPE_SHE added to wc_AlgoType enum
- Callback sub-types: WC_SHE_SET_UID, WC_SHE_COMPUTE_VERIFICATION, WC_SHE_EXPORT_KEY
- Per-operation structs in wc_CryptoInfo union with discriminator
- Dispatch functions in cryptocb.c
Build system:
- configure.ac: --enable-she option
- src/include.am, CMakeLists.txt: she.c compilation
- .github/workflows/os-check.yml: CI configs for SHE
Ported from wolfHSM wh_she_crypto.c