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* Add luksSuspend (freeze device and wipe key) and luksResume (with provided passphrase).

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Signed-off-by: Milan Broz <mbroz@redhat.com>

git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@104 36d66b0a-2a48-0410-832c-cd162a569da5
This commit is contained in:
Milan Broz
2009-09-02 12:47:21 +00:00
parent 52b0271a0e
commit 3cea5dcc7b
8 changed files with 423 additions and 30 deletions
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57
lib/libcryptsetup.h
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@@ -14,12 +14,24 @@ struct crypt_device; /* crypt device handle */
* Returns 0 on success or negative errno value otherwise.
*
* @cd - returns pointer to crypt device handle
* @device - path to device
*
* Note that logging is not initialized here, possible messages uses
* default log function.
*/
int crypt_init(struct crypt_device **cd, const char *device);
/**
* Initialise crypt device handle from provided active device name
* and check if provided device exists.
*
* Returns 0 on success or negative errno value otherwise.
*
* @cd - crypt device handle
* @name - name of active crypt device
*/
int crypt_init_by_name(struct crypt_device **cd, const char *name);
/**
* Set log function.
*
@@ -152,6 +164,51 @@ int crypt_load(struct crypt_device *cd,
const char *requested_type,
void *params);
/**
* Suspends crypt device.
*
* Returns 0 on success or negative errno value otherwise.
*
* @cd - crypt device handle, can be NULL
* @name - name of device to suspend
*/
int crypt_suspend(struct crypt_device *cd,
const char *name);
/**
* Resumes crypt device using passphrase.
*
* Returns unlocked key slot number or negative errno otherwise.
*
* @cd - crypt device handle
* @name - name of device to resume
* @keyslot - requested keyslot or CRYPT_ANY_SLOT
* @passphrase - passphrase used to unlock volume key, NULL for query
* @passphrase_size - size of @passphrase (binary data)
*/
int crypt_resume_by_passphrase(struct crypt_device *cd,
const char *name,
int keyslot,
const char *passphrase,
size_t passphrase_size);
/**
* Resumes crypt device using key file.
*
* Returns unlocked key slot number or negative errno otherwise.
*
* @cd - crypt device handle
* @name - name of device to resume
* @keyslot - requested keyslot or CRYPT_ANY_SLOT
* @keyfile - key file used to unlock volume key, NULL for passphrase query
* @keyfile_size - number of bytes to read from @keyfile, 0 is unlimited
*/
int crypt_resume_by_keyfile(struct crypt_device *cd,
const char *name,
int keyslot,
const char *keyfile,
size_t keyfile_size);
/**
* Releases crypt device context and used memory.
*