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Dear AVM: Please activate CONFIG_IKCONFIG for all kernels and modules.builtin (ascii) in rootfs to help developers. Thanks!

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CONFIG_SQUASHFS_CRYPT activates suoport for encrypted SquashFS partitions.

This is used by the FRITZ!Media 8020, 8040 and 8260 set-top-boxes.

The decrypter is implemented in squashfs/inode.c, in the GPL-Browser directories linked below.
The following encryption and compression combinations are supported;


The decrytion key is 16 bytes long and stored in SerialNumber (bootenv) on these models.




Daily updated index of all Kconfig findings of this variable on the GPL-Browser. Last update: 2024-06-20 09:55 GMT.
The Browse column points to the Path of the Kconfig containing this variable on the gpl.boxmatrix.info service.
The SoC column lists the Chip-Codenames, the Model column lists the nicks of the Box-Models.
The Diff column links the comparison of the AVM Kernel to the pristine original from Kernel.org.
The Download column links the full tarball the respective directory content is extracted from.
The presence of this option does not mean it fits the respective model and architecture. See the Model-Matrix where it's used.


Daily updated index of all dependencies of this Kconfig-Variable. Last update: 2024-06-20 09:55 GMT.
The Dirs column lists the amount of root directories on the GPL-Browser containing the respective Relation.
The Firmware column lists the range of firmware versions covered by these directories.
The presence of a Relation does not mean it is used by AVM. See the Model-Matrix of each Object where it's used.

Relation Typ Object Dirs Firmware Info Origin
Depends on kcfg CONFIG_SQUASHFS 2 4.99 SquashFS 4.0 - Squashed file system support (squashfs.ko) Linux
Required by kcfg CONFIG_SQUASHFS_CRYPT_KEY_LEN 2 4.99 Select key length 128, 192 or 256 Linux
Selects kcfg CONFIG_CRYPTO 2 4.99 Cryptographic API (api.ko, cipher.ko, compress.ko, crypto.ko, digest.ko, scatterwalk.ko) Linux
Selects kcfg CONFIG_CRYPTO_AES 2 4.99 AES cipher algorithms (aes.ko, aes_generic.ko) Linux
Selects kcfg CONFIG_CRYPTO_ALGAPI 2 4.99 Cryptographic API for algorithms support (crypto_algapi.ko) Linux
Selects kcfg CONFIG_CRYPTO_BLKCIPHER 2 4.99 Block chaining cipher support (blkcipher.ko) Linux
Selects kcfg CONFIG_CRYPTO_MANAGER 2 4.99 Cryptographic algorithm manager (cryptomgr.ko) Linux
7 dependencies for this Kconfig-Variable


Daily updated index of the presence and value of this variable for each model. Last update: 2024-06-20 09:36 GMT.
Showing all models using this variable. Click any column header (click-wait-click) to sort the list by the respective data.
The (main/scrpn/boot/arm/prx/atom) label in the Model column shows which CPU is meant for models with multiple Linux instances.
Note that this list is merged from Firmware-Probes of all known AVM firmware for a model, including Recovery.exe and Labor-Files.
If the 'Value' column contains '<comp>' the variable is computed at runtime. '<empty>' means the variable is present but empty (rare).
Multiple values typically show a conditional static assignment or different values in different firmware.

Model Firmware Value Kernel
FRITZ!Media 8020 4.99 y
1 model uses this variable


Information is currently being retrieved from the backend.


Showing 1 related property.