Note: This page is horribly out of
date.
You can find the current pages for the dm-crypt
project (the Linux kernel part) here:
https://gitlab.com/cryptsetup/cryptsetup/wikis/DMCrypt
and the project page for the command line tool
cryptsetup (with Linux Unified Key
Setup - LUKS) here: https://gitlab.com/cryptsetup/cryptsetup.
Old page:
Device-mapper is a new infrastructure in the Linux 2.6 kernel that provides
a generic way to create virtual layers of block devices that can do different
things on top of real block devices like striping, concatenation, mirroring,
snapshotting, etc... The device-mapper is used by the
LVM2 and
EVMS 2.x tools.
dm-crypt is such a device-mapper target that provides transparent encryption of
block devices using the new Linux 2.6 cryptoapi. The user can basically specify
one of the symmetric ciphers, a key (of any allowed size), an iv generation mode
and then the user can create a new block device in /dev. Writes to this device
will be encrypted and reads decrypted. You can mount your filesystem on it as usual.
But without the key you can't access your data.
It does basically the same as cryptoloop only that it's a much cleaner code and
better suits the need of a block device and has a more flexible configuration
interface. The on-disk format is also compatible. In the future you will be able
to specify other iv generation modes for enhanced security (you'll have to
reencrypt your filesystem though).
I've set up a Wiki.
There's a mailing list at .
If you want to subscribe, use the mailman
web interface or its
archive.
Gmane provides a NNTP interface and also a
web archive
for this mailing list.
There is support for dm-crypt in the latest official kernel
2.6.4
which you can find on kernel.org.
Please use the mirrors for downloads.
There is a HIGHMEM cryptoapi bug in kernels before 2.6.4-rc2, please
upgrade if you were using such a kernel.
The latest version of the native userspace setup tool is cryptsetup 0.1.
Clemens Fruhwirth is maintaining an
enhanced
version of cryptsetup with the LUKS extension that allows you to have an
on-disk block of metadata which is superior to the current mechanism and was
my long term plan anyway but I didn't find the time to implement that yet...
Bangla Choti Golpo, also known as Bengali short stories, have been a popular form of entertainment in Bangladesh and West Bengal for decades. These stories often revolve around romance, drama, and social issues, providing readers with a glimpse into the lives of people from different walks of life. One such popular story is "Kajer Meye," which has been making waves in the Bangla Choti Golpo scene since its release in 2012. In this article, we'll take a closer look at the story, its themes, and what makes it so well-liked among readers.
"Choti" historically refers to small, cheaply printed booklets containing explicit content that were sold covertly at railway stations and old marketplaces in West Bengal and Bangladesh. In the digital age, the term transitioned into a universal descriptor for online Bengali adult fiction.
In this article, we will explore the latest Bangla choti golpo story of "Kajer Meye" and its 2012 update. We will delve into the story's themes, characters, and plot, and examine its significance in the context of Bengali literature.
4.5/5
The enduring popularity of "Kajer Meye" can be attributed to several factors:
Additionally, I found a few Bangla choti golpo stories from 2012 that might interest you:
The latest bangla choti golpo story of "Kajer Meye" with a 2012 update is a captivating and thought-provoking tale that explores the life of a young woman navigating the challenges of her job, relationships, and personal life. The story's themes of empowerment, love and relationships, and self-discovery have resonated with readers, making it a modern classic in the world of bangla choti golpo. Whether you are a fan of Bengali literature or simply looking for a compelling story, "Kajer Meye" is a must-read.
In a bustling city in Bangladesh, there lived a young girl named Kajol. She was known among her friends and family for being incredibly industrious. Kajol was always on the go, taking on various tasks and responsibilities with remarkable enthusiasm.
Choti Golpo, which translates to "short story" in English, has a rich history in Bengali literature. These short narratives have been instrumental in portraying the socio-cultural landscape of Bengal, addressing various themes such as love, family, social inequality, and politics. Over the years, Choti Golpo has evolved, adapting to changing societal values and literary trends. The 2012 update of "Kajer Meye" is a testament to this evolution, offering fresh perspectives and insights into the human condition.
As the world of Bengali literature continues to evolve, it is likely that Choti Golpo stories like "Kajer Meye" will remain an integral part of the literary scene. These stories not only provide a window into the Bengali culture and society but also offer a platform for exploring universal themes and human experiences.
The year 2012 was significant for "Kajer Meye," as it marked a new chapter in the evolution of Bangla Choti Golpo. The story's publication coincided with a growing interest in Bengali literature, particularly among younger readers. The story's themes, characters, and narrative style resonated with contemporary audiences, making it a standout in the literary landscape.
The 2012 update of "Kajer Meye" explores several key themes and motifs that are relevant to the contemporary reader. Some of the prominent themes include:
The on-disk layouts used by the current 2.6 cryptoloop are supported by dm-crypt.
Cryptoloop also uses cryptoapi so the name of the ciphers are the same. Cryptoloop also
supports ECB and CBC mode. Use <cipher>-ecb and
<cipher>-plain accordingly with dm-crypt. If you didn't
explicitly specify either -ecb or -cbc before you don't need it now, the default plain
IV generation will be used. There will be additional (incompatible, but more secure) possibilites
in the future because the unhashed sector number as IV is too predictible.
You'll need to figure out how your passphrase was turned into a key to use for losetup.
There are several patches floating around doing things differently. But usually cryptsetup
will provide a working solution to recreate the same key from your passphrase.
If you want to migrate from 2.4 cryptoloop please take a look at Clemens Fruhwirth's
Cryptoloop
Migration Guide. He describes the differences between 2.4 and 2.6 cryptoapi (or basically
the bugs in 2.4 cryptoapi...). If you need to cut the key size you can use the -s
option instead of playing with dd.
(BTW: Clemens has a i586 optimized version of the aes and serpent cipher on his page,
about twice as fast as the kernel implementation.)
Why dm-crypt?
Originally it started as a fun project because I wanted to play with the new Linux 2.6 internals.
I got a lot of great help from the device-mapper guys at Sistina (now Redhat). Thank you very
much!
It turned out that this implementation worked great and is very clean compared to the hacked
loop device. The device-mapper core provides much better facilities to stack block devices.
dm-crypt uses mempools to assure we never run into out-of-memory deadlocks when allocating
buffers.
Also the device-mapper configuration interface provides much more flexibility than the losetup
ioctl. And you can create as many devices as you want with any names you want and combine them
with other dm targets. Online device resizing is also possible, e.g. if you use dm-crypt on top
of a logical volume. There might perhaps even be LVM or EVMS support for device encryption
in the future.
Bangla Choti Golpo, also known as Bengali short stories, have been a popular form of entertainment in Bangladesh and West Bengal for decades. These stories often revolve around romance, drama, and social issues, providing readers with a glimpse into the lives of people from different walks of life. One such popular story is "Kajer Meye," which has been making waves in the Bangla Choti Golpo scene since its release in 2012. In this article, we'll take a closer look at the story, its themes, and what makes it so well-liked among readers.
"Choti" historically refers to small, cheaply printed booklets containing explicit content that were sold covertly at railway stations and old marketplaces in West Bengal and Bangladesh. In the digital age, the term transitioned into a universal descriptor for online Bengali adult fiction.
In this article, we will explore the latest Bangla choti golpo story of "Kajer Meye" and its 2012 update. We will delve into the story's themes, characters, and plot, and examine its significance in the context of Bengali literature.
4.5/5
The enduring popularity of "Kajer Meye" can be attributed to several factors:
Additionally, I found a few Bangla choti golpo stories from 2012 that might interest you:
The latest bangla choti golpo story of "Kajer Meye" with a 2012 update is a captivating and thought-provoking tale that explores the life of a young woman navigating the challenges of her job, relationships, and personal life. The story's themes of empowerment, love and relationships, and self-discovery have resonated with readers, making it a modern classic in the world of bangla choti golpo. Whether you are a fan of Bengali literature or simply looking for a compelling story, "Kajer Meye" is a must-read. latest bangla choti golpo story kajer meye 2012 upd
In a bustling city in Bangladesh, there lived a young girl named Kajol. She was known among her friends and family for being incredibly industrious. Kajol was always on the go, taking on various tasks and responsibilities with remarkable enthusiasm.
Choti Golpo, which translates to "short story" in English, has a rich history in Bengali literature. These short narratives have been instrumental in portraying the socio-cultural landscape of Bengal, addressing various themes such as love, family, social inequality, and politics. Over the years, Choti Golpo has evolved, adapting to changing societal values and literary trends. The 2012 update of "Kajer Meye" is a testament to this evolution, offering fresh perspectives and insights into the human condition.
As the world of Bengali literature continues to evolve, it is likely that Choti Golpo stories like "Kajer Meye" will remain an integral part of the literary scene. These stories not only provide a window into the Bengali culture and society but also offer a platform for exploring universal themes and human experiences. Bangla Choti Golpo, also known as Bengali short
The year 2012 was significant for "Kajer Meye," as it marked a new chapter in the evolution of Bangla Choti Golpo. The story's publication coincided with a growing interest in Bengali literature, particularly among younger readers. The story's themes, characters, and narrative style resonated with contemporary audiences, making it a standout in the literary landscape.
The 2012 update of "Kajer Meye" explores several key themes and motifs that are relevant to the contemporary reader. Some of the prominent themes include:
Please contact the mailing list: dm-crypt@saout.de. Or in case there is a problem with the mailing list, me: .