diff options
Diffstat (limited to 'Documentation/security')
| -rw-r--r-- | Documentation/security/00-INDEX | 4 | ||||
| -rw-r--r-- | Documentation/security/conf.py | 8 | ||||
| -rw-r--r-- | Documentation/security/keys/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/security/keys/trusted-encrypted.rst (renamed from Documentation/security/keys-trusted-encrypted.txt) | 32 |
4 files changed, 21 insertions, 24 deletions
diff --git a/Documentation/security/00-INDEX b/Documentation/security/00-INDEX deleted file mode 100644 index c8dbbc227326..000000000000 --- a/Documentation/security/00-INDEX +++ /dev/null @@ -1,4 +0,0 @@ -00-INDEX - - this file. -keys-trusted-encrypted.txt - - info on the Trusted and Encrypted keys in the kernel key ring service. diff --git a/Documentation/security/conf.py b/Documentation/security/conf.py deleted file mode 100644 index 472fc9a8eb67..000000000000 --- a/Documentation/security/conf.py +++ /dev/null @@ -1,8 +0,0 @@ -project = "The kernel security subsystem manual" - -tags.add("subproject") - -latex_documents = [ - ('index', 'security.tex', project, - 'The kernel development community', 'manual'), -] diff --git a/Documentation/security/keys/index.rst b/Documentation/security/keys/index.rst index d7ddbc1c2502..647d58f2588e 100644 --- a/Documentation/security/keys/index.rst +++ b/Documentation/security/keys/index.rst @@ -8,3 +8,4 @@ Kernel Keys core ecryptfs request-key + trusted-encrypted diff --git a/Documentation/security/keys-trusted-encrypted.txt b/Documentation/security/keys/trusted-encrypted.rst index b20a993a32af..7b503831bdea 100644 --- a/Documentation/security/keys-trusted-encrypted.txt +++ b/Documentation/security/keys/trusted-encrypted.rst @@ -1,4 +1,6 @@ - Trusted and Encrypted Keys +========================== +Trusted and Encrypted Keys +========================== Trusted and Encrypted Keys are two new key types added to the existing kernel key ring service. Both of these new types are variable length symmetric keys, @@ -20,7 +22,8 @@ By default, trusted keys are sealed under the SRK, which has the default authorization value (20 zeros). This can be set at takeownership time with the trouser's utility: "tpm_takeownership -u -z". -Usage: +Usage:: + keyctl add trusted name "new keylen [options]" ring keyctl add trusted name "load hex_blob [pcrlock=pcrnum]" ring keyctl update key "update [options]" @@ -64,19 +67,22 @@ The decrypted portion of encrypted keys can contain either a simple symmetric key or a more complex structure. The format of the more complex structure is application specific, which is identified by 'format'. -Usage: +Usage:: + keyctl add encrypted name "new [format] key-type:master-key-name keylen" ring keyctl add encrypted name "load hex_blob" ring keyctl update keyid "update key-type:master-key-name" -format:= 'default | ecryptfs' -key-type:= 'trusted' | 'user' +Where:: + + format:= 'default | ecryptfs' + key-type:= 'trusted' | 'user' Examples of trusted and encrypted key usage: -Create and save a trusted key named "kmk" of length 32 bytes: +Create and save a trusted key named "kmk" of length 32 bytes:: $ keyctl add trusted kmk "new 32" @u 440502848 @@ -99,7 +105,7 @@ Create and save a trusted key named "kmk" of length 32 bytes: $ keyctl pipe 440502848 > kmk.blob -Load a trusted key from the saved blob: +Load a trusted key from the saved blob:: $ keyctl add trusted kmk "load `cat kmk.blob`" @u 268728824 @@ -114,7 +120,7 @@ Load a trusted key from the saved blob: f1f8fff03ad0acb083725535636addb08d73dedb9832da198081e5deae84bfaf0409c22b e4a8aea2b607ec96931e6f4d4fe563ba -Reseal a trusted key under new pcr values: +Reseal a trusted key under new pcr values:: $ keyctl update 268728824 "update pcrinfo=`cat pcr.blob`" $ keyctl print 268728824 @@ -135,11 +141,13 @@ compromised by a user level problem, and when sealed to specific boot PCR values, protects against boot and offline attacks. Create and save an encrypted key "evm" using the above trusted key "kmk": -option 1: omitting 'format' +option 1: omitting 'format':: + $ keyctl add encrypted evm "new trusted:kmk 32" @u 159771175 -option 2: explicitly defining 'format' as 'default' +option 2: explicitly defining 'format' as 'default':: + $ keyctl add encrypted evm "new default trusted:kmk 32" @u 159771175 @@ -150,7 +158,7 @@ option 2: explicitly defining 'format' as 'default' $ keyctl pipe 159771175 > evm.blob -Load an encrypted key "evm" from saved blob: +Load an encrypted key "evm" from saved blob:: $ keyctl add encrypted evm "load `cat evm.blob`" @u 831684262 @@ -164,4 +172,4 @@ Other uses for trusted and encrypted keys, such as for disk and file encryption are anticipated. In particular the new format 'ecryptfs' has been defined in in order to use encrypted keys to mount an eCryptfs filesystem. More details about the usage can be found in the file -'Documentation/security/keys-ecryptfs.txt'. +``Documentation/security/keys-ecryptfs.txt``. |