Code size reduction options #447
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…PM2 commands. Combined some duplicate code.
embhorn
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Jan 7, 2026
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embhorn
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embhorn
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Just a few minor questions...
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| #ifndef WOLFTPM_NO_PCR_POLICY | ||
| if (endorseKey) { |
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if endorseKey is set, should this be an error?
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With ./configure --enable-devtpm --enable-debug --disable-pcr-policy
./examples/keygen/keygen -eh
TPM2.0 Key generation example
Key Blob: keyblob.bin
Algorithm: RSA
Template: AIK
SRK: RSA
Use Parameter Encryption: NULL
TPM2: Caps 0x00000000, Did 0x0000, Vid 0x0000, Rid 0x 0
TPM2_CreatePrimary: 0x80000000 (314 bytes)
RSA AIK template
Creating new RSA key...
TPM2_Create key failed 303: TPM_RC_AUTH_UNAVAILABLE: The authValue or authPolicy is not available for selected entity
wolfTPM2_CreateKey failed
Failure 0x12f: TPM_RC_AUTH_UNAVAILABLE: The authValue or authPolicy is not available for selected entity
TPM2_FlushContext: Closed handle 0x80000000
| list(APPEND WOLFTPM_DEFINITIONS | ||
| "-DWOLFTPM_NO_ATTESTATION") | ||
| endif() | ||
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Does it make sense to add conditions to the examples build section, as is done with the include.am instructions?
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Add Command Group Options for Code Size Reduction
Adds compile-time options to exclude groups of TPM2 commands, reducing code size for bare-metal and safety-critical applications.
New Build Options
WOLFTPM_NO_NV--disable-nvWOLFTPM_NO_PCR_POLICY--disable-pcr-policyWOLFTPM_NO_ATTESTATION--disable-attestationAll options default to enabled for backward compatibility.