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    Cryptography How much BS is in this?

    Cryptography How much BS is in this?


    How much BS is in this?

    Posted: 06 Apr 2019 02:07 PM PDT

    The Triple Square Cipher

    Posted: 06 Apr 2019 11:50 AM PDT

    I'm currently working on some cryptography puzzles given to me, and I've run into one I didn't recognize. Upon some research, it turns out it's the Triple Square Cipher, the Three Square Cipher, or the Tri-Square Cipher. However, I've got no clue on how to approach it. I wanted to try crib-dragging in hopes of figuring something out but there is no given crib. I've read about it briefly here: https://www.dcode.fr/three-squares-cipher. I understand how it works just not how to break it or even approach breaking it. Any advice or resources?

    submitted by /u/Henrith
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    So block ciphers do the mixing of the key and message?

    Posted: 06 Apr 2019 07:44 PM PDT

    Do you always mix the key into the message? What is the role of the key? I posted here and people said the key is something you mix with the message and a block cipher like AES does the mixing. is it ever used in any other way?

    What role does the key play? Can someone explain in a simple way for someone dumb like me who's trying to study?

    submitted by /u/velociraptor90
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    External NVME SSD (1000MB/s) - Which encryption setup to use for best speed?

    Posted: 06 Apr 2019 11:53 AM PDT

    Hello everyone,

    I travel frequently by train and airplane and didn't want to store my files on an external drive that wasn't encrypted.

    So I thought I would go for maximum speed and get a 2TB NVME which I am using with a Delock 42600.

    Writing/Reading speeds are somewhere between 800MB/s to 1000MB/s.

    I use the external drive on Linux mainly but would like it to be also compatible with Windows.

    So what is the best encryption method which won't hit performance by too much?

    i7-8850H with 32GB RAM

    .

    I just tried a veracrypt container AES + SHA-512. Writing speeds are pretty low (~150MB/S) while reading it okayish (650MB/s). Are there any other alternatives?

    submitted by /u/zakazak
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    Wonderful Cryptography Quotes

    Posted: 06 Apr 2019 02:32 AM PDT

    RSA challenge

    Posted: 06 Apr 2019 03:12 AM PDT

    I have the following challenge to solve about rsa:

    I know my n and e values "public key", and I have the encrypted mensange.

    n = 10403 and e = 8743

    my encrypted mensage : 4746-8214-9372

    And "A" corresponds the value 10 and "B" equal 11.

    How I could calculate the message ? I know that N is equal p * q but this could be any number,and without find p * q how I can calculate my private key.

    thanks for any reply .

    submitted by /u/raikone51
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    How to use gpg and gpg2 on same computer?

    Posted: 06 Apr 2019 10:19 AM PDT

    Hello Fellows,

    I am looking for a way to use gpg and gpg2 on same computer. Is there any way to do this?

    I am using gpg v1 and i am thinking to use gpg2 but i have some concerns.

    When i generate new key pair with gpg2, will gpg2 save the key pair on same location (~/.gnupg)? If yes, can i change that for not-upgrading my folder?

    P.S: Please don't ask why because there is no reason.

    Thank you in advance.

    Regards.

    submitted by /u/pol-der
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