tpm2_create(1) General Commands Manual tpm2_create(1) (NAME) tpm2_create - (SYNOPSIS) tpm2_create [] (DESCRIPTION) tpm2_create(1) . (sealing object) . TPM . -c . (OPTIONS) TPM : o -C, --parent-context=OBJECT: . o -P, --parent-auth=AUTH: (auth value) -C. o -p, --key-auth=AUTH: . o -g, --hash-algorithm=ALGORITHM: . sha256 . o -G, --key-algorithm=ALGORITHM: . "rsa" . o -a, --attributes=ATTRIBUTES: . : TPMA_OBJECT_SIGN_ENCRYPT|TPMA_OBJECT_DECRYPT|TPMA_OBJECT_FIXEDTPM| TPMA_OBJECT_FIXEDPARENT|TPMA_OBJECT_SENSITIVEDATAORIGIN| TPMA_OBJECT_USERWITHAUTH -i TPMA_OBJECT_SIGN_ENCRYPT TPMA_OBJECT_DECRYPT . . -L TPMA_OBJECT_USERWITHAUTH -a . . o -i, --sealing-input=FILE STDIN: . - stdin . TPM_ALG_KEYEDHASH NULL . -G . o -L, --policy=FILE HEX_STRING: . o -u, --public=FILE: . o -r, --private=FILE: () . # (Protection Details) TPM ( ). (transient) TPM ( ) TPM . tpm2_create(1) -r . (blob) . HMAC . : o https://trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-1-Architecture-01.38.pdf . tpm2_duplicate(1) . o -c, --key-context=FILE: . tpm2_load(1) tpm2_createloaded(1) . tpm2_create(1) tpm2_load(1) . o --creation-data=FILE: . o --template-data=FILE: (TPM2B_PUBLIC) tpm2_policytemplate . o -t, --creation-ticket=FILE: . o -d, --creation-hash=FILE: . o -q, --outside-info=HEX_STR_OR_FILE: . . o -l, --pcr-list=PCR: PCR PCR . o --cphash=FILE . cpHash . : cpHash . o --rphash=FILE . rpHash . o -S, --session=FILE: tpm2_startauthsession. . / . o -f, --format: . `tss' () TPM 2.0 . `pem' PEM OpenSSL . `der' DER OpenSSL . `tpmt' TPMT_PUBLIC TPM 2.0 . . o -o, --output=FILE: . (References) (Context Object Format) (handle) : o (transient) TPM . o : o owner: (owner hierarchy) o platform: (platform hierarchy) o endorsement: (endorsement hierarchy) o lockout: (lockout control persistent object) o ( 0x81010013) ._OBJECT_. (Authorization Formatting) TPM2.0 : 1. (Password) 2. HMAC 3. (Sessions) : " (EMPTY PASSWORD) ". (auth values) HMAC . . . HMAC ( tpm2_startauthsession(1) ). (Passwords) . : . (String) "str:" ( ) . (Examples) foobar str:foobar (Hex-string) "hex:" . (Example) hex:1122334455667788 (File) "file:" "-" (stdin) . . (Examples) # file:- # file:path/to/password/file # stdin echo: echo foobar | tpm2_tool -p file:- # here-string stdin: tpm2_tool -p file:- <<< foobar (Sessions) (policy session) session . tpm2_startauthsession(1) . (auth value) ( ) + (Passwords) . (Examples) session.ctx: session:session.ctx session.ctx mypassword: session:session.ctx+mypassword session.ctx 0x11223344: session:session.ctx+hex:11223344 PCR (PCR Authorizations) "pcr:" PCR PCR . PCR : = PCR " PCR" . raw-pcr-file PCR tpm2_pcrread(1) . PCR (Examples) PCR sha256 0 1 2 3 : pcr:sha256:0,1,2,3 AUTH. (Algorithm Specifiers) << >> (nice-names) . : . TPM . (Simple specifiers) . . << >> . (Asymmetric) o rsa o ecc (Symmetric) o aes o camellia o sm4 (Hashing Algorithms) o sha1 o sha256 o sha384 o sha512 o sm3_256 o sha3_256 o sha3_384 o sha3_512 (Keyed Hash) o hmac o xor (Signing Schemes) o rsassa o rsapss o ecdsa o ecdaa o ecschnorr o sm2 (Asymmetric Encryption Schemes) o oaep o rsaes o ecdh (Modes) o ctr o ofb o cbc o cfb o ecb (Misc) o null (Complex Specifiers) TPM . : :: (Type Specifiers) . . o aes - AES: aes128 o aes128 - AES (ctr|ofb|cbc|cfb|ecb). null . o aes192 - aes128 . o aes256 - aes128 . o sm4 - SM4: sm4128 o sm4128 or sm4_128 - SM4 (ctr|ofb|cbc|cfb|ecb). null . o ecc - ecc256. o ecc192 or ecc_nist_p192 - ECC NIST o ecc224 or ecc_nist_p224 - ECC NIST o ecc256 or ecc_nist_p256 - ECC NIST o ecc384 or ecc_nist_p384 - ECC NIST o ecc521 or ecc_nist_p521 - ECC NIST o ecc_sm2 or ecc_sm2_p256 - SM2 o rsa - RSA: rsa2048 o rsa1024 - RSA . o rsa2048 - RSA . o rsa3072 - RSA . o rsa4096 - RSA . (Scheme Specifiers) . . . sha256 . . (Hash Optional Scheme Specifiers) : oaep-sha256. o oaep o ecdh o rsassa o rsapss o ecdsa o ecschnorr o sm2 (Multiple Option Scheme Specifiers) ( UINT16) (-) . * ecdaa : ecdaa4-sha256. . (No Option Scheme Specifiers) . * rsaes (Symmetric Details Specifiers) . . aes128cfb . (Examples) rsa2048 rsaes tpm2_create -C parent.ctx -G rsa2048:rsaes -u key.pub -r key.priv ecc256 ecdaa sha384 /tpm2_create -C parent.ctx -G ecc256:ecdaa4-sha384 -u key.pub -r key.priv ALGORITHM. (Object Attributes) . " " (nice-names) . TPM 2.0 : TPMA_OBJECT_ . TPMA_OBJECT_FIXEDTPM fixedtpm . OR "|" . TPMA_OBJECT_FIXEDTPM TPMA_OBJECT_NODA TPMA_OBJECT_SIGN_ENCRYPT : fixedtpm|noda|sign ATTRIBUTES . (COMMON OPTIONS) . o -h, --help=[man|no-man]: . (manpager) . "man" "man" man (stderr) . "no-man" man (stdout) . manpages MANPATH man(1) . o -v, --version: TCTI . o -V, --verbose: . . o -Q, --quiet: (stdout). o -Z, --enable-errata: (errata fixups). errata TPM . TPM2TOOLS_ENABLE_ERRATA . o -z, --pwd-session: HMAC . (clear text) TPM . (unsalted) OpenSSL FIPS . (auth values) (salted) . o -R, --autoflush: (autoflush) . . TPM2TOOLS_AUTOFLUSH yes true . . TCTI (TCTI Configuration) TCTI (Transmission Interface) TPM . TCTI TPM . TCTI : 1. -T --tcti 2. : TPM2TOOLS_TCTI. : . TCTI : o tabrmd - tabrmd . tabrmd abrmd tcti . o mssim - TPM . o device - TPM . o none - TPM . TPM (off-tpm) TCTI . TCTI . "none" . : : . TCTI (TCTI Defaults) TCTI TCTI dlopen(3) . TCTI tabrmd device mssim . -v TCTI . - "default-tcti" TCTI . TCTI (Custom TCTIs) TCTI TCTI . dlopen(3) tcti-name . dlopen(3) . TCTI (TCTI OPTIONS) TCTI : o device: TCTI (device) (character device) TPM TCTI . /dev/tpm0 . : -T device:/dev/tpm0 export TPM2TOOLS_TCTI="device:/dev/tpm0" o mssim: TCTI mssim IP (port) . 127.0.0.1 2321 . : -T mssim:host=localhost,port=2321 export TPM2TOOLS_TCTI="mssim:host=localhost,port=2321" o abrmd: TCTI abrmd - `,' . `=' . o TCTI abrmd : 1. `bus_name' : tabrmd ( ). 2. `bus_type' : dbus ( ) `session' `system' . tcti tabrmd bus_name=com.example.FooBar: \--tcti=tabrmd:bus_name=com.example.FooBar tcti (abrmd) bus_type=session: \--tcti:bus_type=session : abrmd tabrmd . TCTI . (EXAMPLES) (Setup) (primary key) . tpm2_createprimary -c primary.ctx (Create an Object) TPM -u -r . RSA . tpm2_create -C primary.ctx -u obj.pub -r obj.priv TPM (Seal Data to the TPM) TPM . echo "my sealed data" > seal.dat tpm2_create -C primary.ctx -i seal.dat -u obj.pub -r obj.priv EC TPM (Create an EC Key Object and Load it to the TPM) tpm2_load(1) TPM . TPM . TPM2_CC_CreateLoaded tpm2_getcap(1) TPM . TPM TPM2_CC_CreateLoaded . tpm2_load(1) . . tpm2_create -C primary.ctx -G ecc -u obj.pub -r obj.priv -c ecc.ctx PEM (Create an Object and get the public key as a PEM file) PEM OpenSSL PEM . tpm2_create -C primary.ctx -u obj.pub -r obj.priv -f pem -o obj.pem RSA (Create a restricted RSA signing key) (restricted) null . tpm2_create -C primary.ctx -Grsa2048:rsapss:null \ -a "fixedtpm|fixedparen|sensitivedataorigin|userwithauth|restricted|sign" \ -r obj.priv -u obj.pub (RETURNS) : o 0 - . o 1 - . o 2 - . o 3 - . o 4 - TCTI. o 5 - . tpm2_testparams. (BUGS) (Github Issues) (HELP) (Mailing List) (LICENSE) (CC BY 4.0) . tpm2-tools tpm2_create(1)