Cryptography Stack Exchange

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14

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How to adopt SJCL cryptography in Android Kotlin?

encryption

asked 4 hours ago codebird456 1

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1

answer

30

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How can a derived key be verified to be the right key?

encryption decryption

answered 11 hours ago Maarten Bodewes♦ 66.4k

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18

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Every encryption scheme that is perfectly secret it holds that for every distribution over the message space $M$, every $m, m' ∈ M$, and every $c ∈ C$

encryption security-definition

modified 12 hours ago yacovm 125

1

vote

1

answer

58

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Is there any encryption system where the sender cannot prove that a specific ciphertext belongs to a specific plaintext

encryption public-key symmetric zero-knowledge-proofs deniable-encryption

answered 23 hours ago Geoffroy Couteau 11.8k

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1

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25

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Plaintext with 'T' and 'E' alphabets missing and encrypted with Vigenere Cipher

encryption vigenere

modified 2 days ago Meir Maor 7,169

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50

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How do encrypted radios perform key exchange?

encryption

asked 2 days ago vy32 337

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2

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50

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Is this correct/incorrect password for file encryption scheme secure?

encryption aes gcm file-encryption scrypt

answered Jan 25 at 2:41 Luis Casillas 11.2k

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36

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Decryption of Vignere cipher by hand using Kasiski examination

encryption

modified Jan 24 at 14:17 Maarten Bodewes♦ 66.4k

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0

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25

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Creating nested messages in OpenPGP

encryption public-key pgp

asked Jan 23 at 12:45 Kirill Maksimov 1

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32

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Dual system encryption:New Techniques for Dual System Encryption and Fully Secure HIBE with Short Ciphertexts

encryption identity-based-encryption

modified Jan 22 at 22:22 poncho 103k

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9

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Symmetric keys for media attachments in pairwise group messaging

encryption implementation

asked Jan 22 at 8:56 tao_oat 101

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2

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51

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Is a larger block size less secure against a brute-force known cipertext attack?

encryption block-cipher brute-force-attack

modified Jan 21 at 15:38 kelalaka 16k

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How to adopt SJCL cryptography in Android Kotlin?

How can a derived key be verified to be the right key?

Every encryption scheme that is perfectly secret it holds that for every distribution over the message space $M$, every $m, m' ∈ M$, and every $c ∈ C$

Is there any encryption system where the sender cannot prove that a specific ciphertext belongs to a specific plaintext

Plaintext with 'T' and 'E' alphabets missing and encrypted with Vigenere Cipher

How do encrypted radios perform key exchange?

Is this correct/incorrect password for file encryption scheme secure?

Decryption of Vignere cipher by hand using Kasiski examination

Creating nested messages in OpenPGP

Dual system encryption:New Techniques for Dual System Encryption and Fully Secure HIBE with Short Ciphertexts

Symmetric keys for media attachments in pairwise group messaging

Is a larger block size less secure against a brute-force known cipertext attack?

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