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| 1 "tpm-nvtool\n" | |
| 2 "Copyright (c) 2009,2010 The Chromium OS Authors. All rights reserved.\n" | |
| 3 "\n" | |
| 4 "tpm-nvtool is a command-line program for managing Trusted Platform Module \n" | |
| 5 "(TPM) Non-Volatile (NV) memory. It allows you to \"define\" (create) and\n" | |
| 6 "\"release\" (destroy) stores in a TPM's NV memory component. It requires a\n" | |
| 7 "TPM that complies with TPM Specification version 1.2.\n" | |
| 8 "\n" | |
| 9 "Usage:\n" | |
| 10 "\n" | |
| 11 "* Creating an NV store\n" | |
| 12 "\n" | |
| 13 " --define --index INDEX --owner_password OWNER_PASSWORD --size SIZE \\\n" | |
| 14 " [--pcr PCR] [--permissions PERMISSIONS] [--index_password INDEX_PASSWORD]\n
" | |
| 15 "\n" | |
| 16 " The parameters mean the following:\n" | |
| 17 "\n" | |
| 18 " INDEX A valid NV index\n" | |
| 19 " OWNER_PASSWORD TPM owner password\n" | |
| 20 " SIZE Requested NV store's size in bytes\n" | |
| 21 " PCR A PCR whose value will be required to read or write to the\n" | |
| 22 " NV store; multiple PCRs can be specified through multiple\n" | |
| 23 " instances of this argument\n" | |
| 24 " PERMISSIONS A comma-separated string consisting of zero or more of the\n" | |
| 25 " following keywords:\n" | |
| 26 "\n" | |
| 27 " AUTHREAD Reads authorized by INDEX_PASSWORD\n" | |
| 28 " AUTHWRITE Writes authorized by INDEX_PASSWORD\n" | |
| 29 " OWNERREAD Reads authorized by OWNER_PASSWORD\n" | |
| 30 " OWNERWRITE Writes authorized by OWNER_PASSWORD\n" | |
| 31 " PPREAD Reads authorized by Physical Presence\n" | |
| 32 " PPWRITE Writes authorized by Physical Presence\n" | |
| 33 " READ_STCLEAR Cannot be read after a zero-sized write;\n" | |
| 34 " will need a full TPM clear to unlock\n" | |
| 35 " WRITE_STCLEAR Cannot be written after a zero-sized write\n" | |
| 36 " will need a full TPM clear to unlock\n" | |
| 37 " WRITEALL Data must be written all at once\n" | |
| 38 " \n" | |
| 39 " INDEX_PASSWORD Password for reading and/or writing to the NV store; required
\n" | |
| 40 " if PERMISSIONS has AUTHREAD or AUTHWRITE\n" | |
| 41 "\n" | |
| 42 "* Destroying an NV store\n" | |
| 43 "\n" | |
| 44 " --release --index INDEX --owner_password OWNER_PASSWORD\n" | |
| 45 "\n" | |
| 46 "* Listing NV stores\n" | |
| 47 "\n" | |
| 48 " --list [--index INDEX]\n" | |
| 49 "\n" | |
| 50 " By default, all NV stores will be listed. If INDEX is specified, only that\n" | |
| 51 " index, if it exists, will be listed.\n" | |
| 52 "\n" | |
| 53 "* Reading from an NV store\n" | |
| 54 "\n" | |
| 55 " --read --index INDEX [--size SIZE] [--offset OFFSET] [--hexdump] \\\n" | |
| 56 " [--password PASSWORD]\n" | |
| 57 "\n" | |
| 58 " The parameters mean the following:\n" | |
| 59 "\n" | |
| 60 " INDEX A valid, existing NV index\n" | |
| 61 " SIZE Number of bytes to read; if specified, must be greater than\n
" | |
| 62 " zero and no larger than the NV store's size; if not specified
,\n" | |
| 63 " the entire NV store will be read\n" | |
| 64 " OFFSET Offset in bytes to read from; if specified, it must be such\n
" | |
| 65 " that the requested data specified through OFFSET and SIZE\n" | |
| 66 " lies within the NV store; if not specified, an offset of 0\n" | |
| 67 " is implied\n" | |
| 68 " PASSWORD The appropriate password needed for reading\n" | |
| 69 "\n" | |
| 70 " By default, data read from the NV store will be dumped as is (raw) to the\n" | |
| 71 " standard output, which in turn can be redirected to a file. If --hexdump is\n
" | |
| 72 " specified, data bytes will be printed in hexadecimal format instead.o\n" | |
| 73 "\n" | |
| 74 "* Writing to an NV store\n" | |
| 75 "\n" | |
| 76 " --write --index INDEX --string STRING [--size SIZE] [--offset OFFSET] \\\n" | |
| 77 " [--password PASSWORD]\n" | |
| 78 "\n" | |
| 79 " The parameters mean the following:\n" | |
| 80 " \n" | |
| 81 " STRING A null-terminated string that will be written to the NV store
\n" | |
| 82 " SIZE Number of bytes to write; if SIZE is not specified, the entir
e\n" | |
| 83 " length of the string (not including the terminating null) is\
n" | |
| 84 " written, provided it fits in the NV store\n" | |
| 85 " OFFSET Offset in the NV store to write to; if not specified, an\n" | |
| 86 " offset of 0 is implied\n" | |
| 87 " PASSWORD The appropriate password needed for reading\n" | |
| 88 "\n" | |
| 89 " You can also specify a file instead of an inline string as the source of\n" | |
| 90 " data to write to the NV store:\n" | |
| 91 "\n" | |
| 92 " --write --index INDEX --file PATH [--size SIZE] [--offset OFFSET] \\\n" | |
| 93 " [--password PASSWORD]\n" | |
| 94 "\n" | |
| 95 "* Locking an NV store\n" | |
| 96 "\n" | |
| 97 " --writezero --index INDEX [--password PASSWORD]\n" | |
| 98 "\n" | |
| 99 " If the NV store's permission attributes contain READ_STCLEAR or WRITE_STCLEAR
,\n" | |
| 100 " using --writezero will lock that store for reading or writing, respectively.\
n" | |
| 101 "\n" | |
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Chromium Code Reviews
Issue 3989001:
Remove object files that somehow got committed. (Closed)
Base URL: ssh://git@gitrw.chromium.org:9222/tpm.git