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42 lines
1.4 KiB
Markdown
42 lines
1.4 KiB
Markdown
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# `TPM2_CreatePrimary()`
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This command creates a primary key object.
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The created object can then be loaded with [`TPM2_Load()`](TPM2_Load.md).
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To decide whether to use [`TPM2_CreateLoaded()`](TPM2_CreateLoaded.md),
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[`TPM2_Create()`](TPM2_Create.md), or
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[`TPM2_CreatePrimary()`](TPM2_CreatePrimary.md) refer to table 28 in
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section 2.7 of the [TCG TPM Library part 1:
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Architecture](https://trustedcomputinggroup.org/wp-content/uploads/TCG_TPM2_r1p59_Part1_Architecture_pub.pdf).
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If you need to `TPM2_CertifyCreation()` that a TPM created some object,
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you must use [`TPM2_CreatePrimary()`](TPM2_CreatePrimary.md) or
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[`TPM2_Create()`](TPM2_Create.md).
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If you need to seal the object to a PCR selection, you must use
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[`TPM2_CreatePrimary()`](TPM2_CreatePrimary.md) or
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[`TPM2_Create()`](TPM2_Create.md).
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If you need to create a derived object, you must use
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[`TPM2_CreateLoaded()`](TPM2_CreateLoaded.md).
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## Inputs
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- `TPMI_RH_HIERARCHY+ primaryHandle`
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- `TPM2B_TEMPLATE inPublic`
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- `TPM2B_DATA outsideInfo`
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- `TPML_PCR_SELECTION creationPCR`
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## Outputs (success case)
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- `TPM_HANDLE objectHandle`
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- `TPM2B_CREATION_DATA creationData`
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- `TPM2B_DIGEST creationHash`
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- `TPMT_TK_CREATION creationTicket`
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- `TPM2B_NAME name`
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## References
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- [TCG TPM Library part 3: Commands, section 24.1](https://trustedcomputinggroup.org/wp-content/uploads/TCG_TPM2_r1p59_Part3_Commands_pub.pdf)
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