X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Ftpm.h;h=f88388f3530f99cebf7ded7456bc5740a65f99a0;hb=4b5b0fcd212bb4f2cb4c8f9d4f3699c999dfbd2d;hp=9a6585d3d40e1625bf90add69e40ad1001cea116;hpb=e573bdb324c78fac56655a493bea843842c9d9f8;p=oweals%2Fu-boot.git diff --git a/include/tpm.h b/include/tpm.h index 9a6585d3d4..f88388f353 100644 --- a/include/tpm.h +++ b/include/tpm.h @@ -47,6 +47,42 @@ enum tpm_nv_index { TPM_NV_INDEX_DIR = 0x10000001, }; +enum tpm_resource_type { + TPM_RT_KEY = 0x00000001, + TPM_RT_AUTH = 0x00000002, + TPM_RT_HASH = 0x00000003, + TPM_RT_TRANS = 0x00000004, + TPM_RT_CONTEXT = 0x00000005, + TPM_RT_COUNTER = 0x00000006, + TPM_RT_DELEGATE = 0x00000007, + TPM_RT_DAA_TPM = 0x00000008, + TPM_RT_DAA_V0 = 0x00000009, + TPM_RT_DAA_V1 = 0x0000000A, +}; + +enum tpm_capability_areas { + TPM_CAP_ORD = 0x00000001, + TPM_CAP_ALG = 0x00000002, + TPM_CAP_PID = 0x00000003, + TPM_CAP_FLAG = 0x00000004, + TPM_CAP_PROPERTY = 0x00000005, + TPM_CAP_VERSION = 0x00000006, + TPM_CAP_KEY_HANDLE = 0x00000007, + TPM_CAP_CHECK_LOADED = 0x00000008, + TPM_CAP_SYM_MODE = 0x00000009, + TPM_CAP_KEY_STATUS = 0x0000000C, + TPM_CAP_NV_LIST = 0x0000000D, + TPM_CAP_MFR = 0x00000010, + TPM_CAP_NV_INDEX = 0x00000011, + TPM_CAP_TRANS_ALG = 0x00000012, + TPM_CAP_HANDLE = 0x00000014, + TPM_CAP_TRANS_ES = 0x00000015, + TPM_CAP_AUTH_ENCRYPT = 0x00000017, + TPM_CAP_SELECT_SIZE = 0x00000018, + TPM_CAP_DA_LOGIC = 0x00000019, + TPM_CAP_VERSION_VAL = 0x0000001A, +}; + #define TPM_NV_PER_GLOBALLOCK (1U << 15) #define TPM_NV_PER_PPWRITE (1U << 0) #define TPM_NV_PER_READ_STCLEAR (1U << 31) @@ -594,4 +630,25 @@ uint32_t tpm_get_permanent_flags(struct tpm_permanent_flags *pflags); */ uint32_t tpm_get_permissions(uint32_t index, uint32_t *perm); +/** + * Flush a resource with a given handle and type from the TPM + * + * @param key_handle handle of the resource + * @param resource_type type of the resource + * @return return code of the operation + */ +uint32_t tpm_flush_specific(uint32_t key_handle, uint32_t resource_type); + +#ifdef CONFIG_TPM_LOAD_KEY_BY_SHA1 +/** + * Search for a key by usage AuthData and the hash of the parent's pub key. + * + * @param auth Usage auth of the key to search for + * @param pubkey_digest SHA1 hash of the pub key structure of the key + * @param[out] handle The handle of the key (Non-null iff found) + * @return 0 if key was found in TPM; != 0 if not. + */ +uint32_t tpm_find_key_sha1(const uint8_t auth[20], const uint8_t + pubkey_digest[20], uint32_t *handle); +#endif /* CONFIG_TPM_LOAD_KEY_BY_SHA1 */ #endif /* __TPM_H */