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If we want to load a key into a TPM, we need to know the designated parent key's handle, so that the TPM is able to insert the key at the correct place in the key hierarchy. However, if we want to load a key whose designated parent key we also previously loaded ourselves, we first need to memorize this parent key's handle (since the handles for the key are chosen at random when they are inserted into the TPM). If we are, however, unable to do so, for example if the parent key is loaded into the TPM during production, and its child key during the actual boot, we must find a different mechanism to identify the parent key. To solve this problem, we add a function that allows U-Boot to load a key into the TPM using their designated parent key's SHA1 hash, and the corresponding auth data. Signed-off-by: Mario Six <mario.six@gdsys.cc> Reviewed-by: Simon Glass <sjg@chromium.org> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| tpm-uclass.c | ||
| tpm_atmel_twi.c | ||
| tpm_internal.h | ||
| tpm_tis.h | ||
| tpm_tis_infineon.c | ||
| tpm_tis_lpc.c | ||
| tpm_tis_sandbox.c | ||
| tpm_tis_st33zp24_i2c.c | ||
| tpm_tis_st33zp24_spi.c | ||