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QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running the QNX OS 8.0.
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F
fs_crypto_domain_key_size()
Return the size of keys needed by the filesystem encryption

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QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running the QNX OS 8.0.
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      - fs_crypto_check()
        Determine if the underlying filesystem supports encryption
      - fs_crypto_domain_add()
        Create a domain
      - fs_crypto_domain_add_flags()
        Create an encryption domain and unlock it if requested
      - fs_crypto_domain_hard_lock()
        Lock a domain
      - fs_crypto_domain_key_change()
        Change the key needed to unlock the specified domain
      - fs_crypto_domain_key_check()
        Determine if a given domain key is valid
      - fs_crypto_domain_key_size()
        Return the size of keys needed by the filesystem encryption
      - fs_crypto_domain_lock()
        Lock a domain
      - fs_crypto_domain_query()
        Get status information for a domain
      - fs_crypto_domain_remove()
        Destroy a domain
      - fs_crypto_domain_unlock()
        Unlock a domain
      - fs_crypto_domain_whitelist_configure()
        Perform whitelist configuration for a domain whitelist
      - fs_crypto_domain_whitelist_ctrl()
        Perform a control action for a domain whitelist
      - fs_crypto_domain_whitelist_ctrl_access_grant()
        Grant a client access to a domain
      - fs_crypto_domain_whitelist_ctrl_access_revoke()
        Revoke a client's access to a domain
      - fs_crypto_domain_whitelist_get_flags()
        Get the flags for a domain whitelist
      - fs_crypto_domain_whitelist_set_flags()
        Perform whitelist configuration for a domain whitelist
      - fs_crypto_enable()
        Enable encryption support on a filesystem
      - fs_crypto_enable_option()
        Enable encryption support on a filesystem
      - fs_crypto_file_get_domain()
        Get the domain of a file or directory
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        Set the domain of a file or directory
      - fs_crypto_key_gen()
        Generate an encryption key from a password
      - fs_crypto_migrate_control()
        Control encryption migration within the filesystem
      - fs_crypto_migrate_path()
        Mark an entire directory for migration into an encryption domain
      - fs_crypto_migrate_status()
        Get the status of migration in the filesystem
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        Mark a file for migration into an encryption domain
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        Set the logging destination and verbosity
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        Release ownership of a file
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        Write elements to a file
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        Scan wide-character input from a stream
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fs_crypto_domain_key_size()

QNX SDP8.0C Library ReferenceAPIDeveloper

Return the size of keys needed by the filesystem encryption

Synopsis:

#include <fs_crypto_api.h>
#include <sys/fs_crypto.h>

int fs_crypto_domain_key_size( void );

Library:

libfscrypto

Use the -l fscrypto option to qcc to link against this library.

Description:

The fs_crypto_domain_key_size() function returns the size of keys needed by the filesystem encryption.

Note:

In order to use filesystem encryption, download the Encrypted Filesystem package from the QNX Software Center.

Returns:

The size of the keys, in bytes.

Classification:

QNX OS


Safety:
Cancellation point	No
Signal handler	No
Thread	Yes

Page updated: August 09, 2024