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Cipher

From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-11.)

Cipher has 100 facts recorded in Dontopedia across 33 references, with 12 live disagreements.

100+ facts·36 predicates·33 sources·12 in dispute

Mostly:instantiated with(42), constructor argument(6), creates(4)

Maturity scale raw canonical shape-checked rule-derived certified

Instantiated Within disputeinstantiatedWith

Constructorin disputeconstructor

  • Cipher(algorithms.AES(key), modes.CBC(iv), backend=default_backend())[4]sourceall time · 9350be2f F1ef 46a5 92cd 6da8eaf17654
  • true[2]all time · Fcb9de35 4f30 4aa1 Ac33 10f1741f5be3

Has Methodin disputehasMethod

  • Encryptor[14]sourceall time · 5b1512d8 0591 4dc3 B2ed 9f55d847bf34
  • encryptor[15]sourceall time · 22bf3452 3cf2 4775 869b 61a865a7f8a9
  • decryptor[15]sourceall time · 22bf3452 3cf2 4775 869b 61a865a7f8a9

Constructor Argumentin disputeconstructorArgument

  • backend.default_backend()[5]all time · B38f23a2 6377 485e 9852 D583bcfdbfe8
  • modes.CBC(iv)[5]all time · B38f23a2 6377 485e 9852 D583bcfdbfe8
  • algorithms.AES(key)[5]all time · B38f23a2 6377 485e 9852 D583bcfdbfe8
  • backend=default_backend()[6]all time · 7e19863a D1fd 4ecb 8689 Dbf30a8549f1
  • algorithms.AES(key)[6]all time · 7e19863a D1fd 4ecb 8689 Dbf30a8549f1
  • modes.CBC(iv)[6]all time · 7e19863a D1fd 4ecb 8689 Dbf30a8549f1

Instantiated byin disputeinstantiatedBy

Instantiationin disputeinstantiation

  • Cipher Call[21]all time · 460f970b E5a9 4221 A69b 6362a6c74450
  • algorithms.AES(key), modes.CBC(iv), backend=default_backend()[29]all time · 2249fd17 19ba 42bc A76d B2263fd55640

Instantiatesin disputeinstantiates

Createsin disputecreates

  • Decryptor[9]sourceall time · 6aa1b8e7 A4ef 4761 944e 6088482ae6a5
  • Encryptor[9]sourceall time · 6aa1b8e7 A4ef 4761 944e 6088482ae6a5
  • encryptor[6]all time · 7e19863a D1fd 4ecb 8689 Dbf30a8549f1
  • decryptor[6]all time · 7e19863a D1fd 4ecb 8689 Dbf30a8549f1

Parametersin disputeparameters

  • Backend[2]all time · Fcb9de35 4f30 4aa1 Ac33 10f1741f5be3
  • Iv[2]all time · Fcb9de35 4f30 4aa1 Ac33 10f1741f5be3
  • Key[2]all time · Fcb9de35 4f30 4aa1 Ac33 10f1741f5be3
  • Modes.cbc[2]all time · Fcb9de35 4f30 4aa1 Ac33 10f1741f5be3

Methodin disputemethod

  • encryptor[27]all time · E53ac989 C20d 43a1 Bce5 5e5f0c7dfa72
  • decryptor[27]all time · E53ac989 C20d 43a1 Bce5 5e5f0c7dfa72

Method Callin disputemethodCall

  • cipher.decryptor()[6]all time · 7e19863a D1fd 4ecb 8689 Dbf30a8549f1
  • cipher.encryptor()[6]all time · 7e19863a D1fd 4ecb 8689 Dbf30a8549f1

Instantiatein disputeinstantiate

Inbound mentions (87)

Other subjects in dontopedia point AT this entity as a value. These are inverse relationships — e.g. "X motherOf this subject" — and answer questions the forward facts can't. Grouped by predicate.

rdf:typeRdf:type(11)

importsImports(9)

usesUses(8)

callsCalls(7)

usedInUsed in(5)

createdByCreated by(4)

providesProvides(4)

usedByUsed by(4)

containsContains(3)

methodOfMethod of(3)

usesClassUses Class(3)

includesIncludes(2)

instanceOfInstance of(2)

requiresImportRequires Import(2)

calledByCalled by(1)

callsCipherCalls Cipher(1)

callsMethodOnCalls Method on(1)

containsClassContains Class(1)

containsEntityContains Entity(1)

containsFunctionContains Function(1)

createdFromCreated From(1)

createdWithCreated With(1)

dependencyDependency(1)

generatedByGenerated by(1)

impliesImportImplies Import(1)

importedClassesImported Classes(1)

importsClassImports Class(1)

importsEntitiesImports Entities(1)

importsSpecificEntityImports Specific Entity(1)

importsSymbolImports Symbol(1)

includesDataEncryptionIncludes Data Encryption(1)

isInstanceOfIs Instance of(1)

parameterToParameter to(1)

passedToPassed to(1)

Other facts (26)

The long tail: predicates that appear too rarely to warrant their own section. Filter or scroll to find a specific one. Each row links to its source.

26 facts
PredicateValueRef
Creates EncryptorEncryptor[3]
Creates EncryptorEncryptor[10]
Imported FromCryptography.hazmat.primitives.ciphers[16]
Imported FromCryptography.hazmat.primitives.ciphers[17]
Class ofCipher[2]
From Librarycryptography[12]
Has Backend Parametertrue[7]
Constructor forcipher_instance[7]
DecryptorDecryptor[11]
Created WithDefault Backend[8]
Parameter IvIv[8]
Imports Fromcryptography.hazmat.primitives.ciphers[18]
Classtrue[1]
Is Submodule ofCryptography.hazmat.primitives.ciphers[32]
Instance ofCrypto Object[19]
Is Class FromCryptography Library[30]
Constructor CallCipher()[6]
Has ModeCbc[9]
Has AlgorithmAes[9]
Instantiation ParametersAes Key Cbc Mode Backend[3]
Configured With ModeCbc Mode[3]
Has BackendDefault Backend[13]
Is aCipher Object[13]
PurposeData Encryption[20]
Is From LibraryCryptography[31]
ModuleCryptography[33]

Timeline

Timeline axis is valid_time — when each source says the fact was true in the world, not when Dontopedia learned about it. Retracted rows are kept for provenance; coloured stripes indicate the context kind.

classbeam/909e69ff-874d-482b-a44e-3121e0eae4bd
true
classOfbeam/fcb9de35-4f30-4aa1-ac33-10f1741f5be3
ex:cipher
configuredWithModebeam/bd153859-00b6-4ef0-b7e7-265cdeb8b67b
ex:CBCMode
constructorbeam/9350be2f-f1ef-46a5-92cd-6da8eaf17654
Cipher(algorithms.AES(key), modes.CBC(iv), backend=default_backend())
constructorbeam/fcb9de35-4f30-4aa1-ac33-10f1741f5be3
true
constructorArgumentbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8
backend.default_backend()
constructorArgumentbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8
modes.CBC(iv)
constructorArgumentbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8
algorithms.AES(key)
constructorArgumentbeam/7e19863a-d1fd-4ecb-8689-dbf30a8549f1
backend=default_backend()
constructorArgumentbeam/7e19863a-d1fd-4ecb-8689-dbf30a8549f1
algorithms.AES(key)
constructorArgumentbeam/7e19863a-d1fd-4ecb-8689-dbf30a8549f1
modes.CBC(iv)
constructorCallbeam/7e19863a-d1fd-4ecb-8689-dbf30a8549f1
Cipher()
constructorForbeam/cd6ee92a-5437-4fd1-b8ef-0c0c8548d120
cipher_instance
createdWithbeam/acc7737b-32aa-4380-a1ea-b92bfd58d6ab
ex:default_backend
createsbeam/6aa1b8e7-a4ef-4761-944e-6088482ae6a5
ex:decryptor
createsbeam/6aa1b8e7-a4ef-4761-944e-6088482ae6a5
ex:encryptor
createsbeam/7e19863a-d1fd-4ecb-8689-dbf30a8549f1
encryptor
createsbeam/7e19863a-d1fd-4ecb-8689-dbf30a8549f1
decryptor
createsEncryptorbeam/bd153859-00b6-4ef0-b7e7-265cdeb8b67b
ex:encryptor
createsEncryptorbeam/7467740f-9800-476d-a2d7-0838e3b0d3bf
ex:encryptor
decryptorbeam/f66c278b-dea4-4ee4-9136-31dd7dcd1c05
ex:decryptor
from_librarybeam/f3f1ca62-5cb6-4c9f-8c31-5300bb83585e
cryptography
hasAlgorithmbeam/6aa1b8e7-a4ef-4761-944e-6088482ae6a5
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hasBackendParameterbeam/cd6ee92a-5437-4fd1-b8ef-0c0c8548d120
true
hasMethodbeam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34
ex:encryptor
hasMethodbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
encryptor
hasMethodbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
decryptor
hasModebeam/6aa1b8e7-a4ef-4761-944e-6088482ae6a5
ex:CBC
importedFrombeam/bcc993b1-f893-4a68-ab42-c5c125defe57
ex:cryptography.hazmat.primitives.ciphers
importedFrombeam/c0bb5777-1dfd-4fdc-914c-30464b70608d
ex:cryptography.hazmat.primitives.ciphers
importsFrombeam/901c90f7-6b68-4e8f-bbc8-2d84f939b1f4
cryptography.hazmat.primitives.ciphers
instanceOfbeam/83f71c9b-2bad-45ae-8966-545aaba0b555
ex:CryptoObject
instantiatebeam/bd0cba3e-0581-4a9d-beed-2848cbb8aab9
ex:decryptor
instantiatebeam/bd0cba3e-0581-4a9d-beed-2848cbb8aab9
ex:encryptor
instantiatedBybeam/2483192e-5cd7-4a9a-975c-0bf2844cc7c3
ex:cipher
instantiatedBybeam/b38f23a2-6377-485e-9852-d583bcfdbfe8
ex:decrypt_data
instantiatedBybeam/b38f23a2-6377-485e-9852-d583bcfdbfe8
ex:encrypt_data
instantiatedWithbeam/460f970b-e5a9-4221-a69b-6362a6c74450
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instantiatedWithbeam/04d10d5e-f403-42f9-bb79-b20332c07ec7
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instantiatedWithbeam/a0acc7da-9281-49d2-9d61-1dff4dbd521c
ex:AES-algorithm
instantiatedWithbeam/bd153859-00b6-4ef0-b7e7-265cdeb8b67b
ex:AESAlgorithm
instantiatedWithbeam/da859346-1427-4bfe-b9a2-66bf12268d23
ex:algorithms.AES
instantiatedWithbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8
ex:algorithms.AES
instantiatedWithbeam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34
ex:algorithms.AES
instantiatedWithbeam/6aa1b8e7-a4ef-4761-944e-6088482ae6a5
ex:algorithms.AES
instantiatedWithbeam/460f970b-e5a9-4221-a69b-6362a6c74450
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instantiatedWithbeam/901c90f7-6b68-4e8f-bbc8-2d84f939b1f4
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instantiatedWithbeam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34
ex:backend
instantiatedWithbeam/a0acc7da-9281-49d2-9d61-1dff4dbd521c
ex:backend
instantiatedWithbeam/6aa1b8e7-a4ef-4761-944e-6088482ae6a5
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instantiatedWithbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8
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instantiatedWithbeam/460f970b-e5a9-4221-a69b-6362a6c74450
ex:backend.default_backend
instantiatedWithbeam/901c90f7-6b68-4e8f-bbc8-2d84f939b1f4
ex:backend.default_backend
instantiatedWithbeam/a0acc7da-9281-49d2-9d61-1dff4dbd521c
ex:CBC-mode
instantiatedWithbeam/04d10d5e-f403-42f9-bb79-b20332c07ec7
ex:CBC-mode
instantiatedWithbeam/460f970b-e5a9-4221-a69b-6362a6c74450
ex:CBC-mode
instantiatedWithbeam/04d10d5e-f403-42f9-bb79-b20332c07ec7
ex:default-backend
instantiatedWithbeam/da859346-1427-4bfe-b9a2-66bf12268d23
ex:default_backend
instantiatedWithbeam/6aa1b8e7-a4ef-4761-944e-6088482ae6a5
ex:default_backend
instantiatedWithbeam/089ebd9c-443e-4314-9dec-d6476e15f7f3
ex:iv
instantiatedWithbeam/da859346-1427-4bfe-b9a2-66bf12268d23
ex:iv
instantiatedWithbeam/909e69ff-874d-482b-a44e-3121e0eae4bd
ex:iv
instantiatedWithbeam/089ebd9c-443e-4314-9dec-d6476e15f7f3
ex:key
instantiatedWithbeam/da859346-1427-4bfe-b9a2-66bf12268d23
ex:key
instantiatedWithbeam/909e69ff-874d-482b-a44e-3121e0eae4bd
ex:key
instantiatedWithbeam/901c90f7-6b68-4e8f-bbc8-2d84f939b1f4
ex:modes.CBC
instantiatedWithbeam/da859346-1427-4bfe-b9a2-66bf12268d23
ex:modes.CBC
instantiatedWithbeam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34
ex:modes.CBC
instantiatedWithbeam/6aa1b8e7-a4ef-4761-944e-6088482ae6a5
ex:modes.CBC
instantiatedWithbeam/460f970b-e5a9-4221-a69b-6362a6c74450
ex:modes.CBC
instantiatedWithbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8
ex:modes.CBC
instantiatedWithbeam/be306299-2e0b-47ac-ba14-47feeba636a7
modes.CBC(iv)
instantiatedWithbeam/be306299-2e0b-47ac-ba14-47feeba636a7
backend.default_backend()
instantiatedWithbeam/be306299-2e0b-47ac-ba14-47feeba636a7
algorithms.AES(key)
instantiatedWithbeam/f66c278b-dea4-4ee4-9136-31dd7dcd1c05
algorithms.AES
instantiatedWithbeam/e53ac989-c20d-43a1-bce5-5e5f0c7dfa72
algorithms.AES
instantiatedWithbeam/e53ac989-c20d-43a1-bce5-5e5f0c7dfa72
backend.default_backend
instantiatedWithbeam/f66c278b-dea4-4ee4-9136-31dd7dcd1c05
modes.CBC
instantiatedWithbeam/e53ac989-c20d-43a1-bce5-5e5f0c7dfa72
modes.CBC
instantiatesbeam/901c90f7-6b68-4e8f-bbc8-2d84f939b1f4
ex:aes_cipher
instantiatesbeam/614e249a-23d7-4d89-8879-73fd8d419e05
ex:cipher-variable
instantiationbeam/460f970b-e5a9-4221-a69b-6362a6c74450
ex:Cipher_call
instantiationbeam/2249fd17-19ba-42bc-a76d-b2263fd55640
algorithms.AES(key), modes.CBC(iv), backend=default_backend()
instantiationParametersbeam/bd153859-00b6-4ef0-b7e7-265cdeb8b67b
ex:AESKeyCBCModeBackend
isAbeam/bd0cba3e-0581-4a9d-beed-2848cbb8aab9
ex:CipherObject
isClassFrombeam/971e1e14-3823-47e1-b732-7096f5775585
ex:cryptography_library
isFromLibrarybeam/74c665b8-038c-4a98-ac1f-e97fc58474dc
ex:cryptography
isSubmoduleOfbeam/5bcd6fc3-c2b0-4773-b9fd-d4ef36b06677
ex:cryptography.hazmat.primitives.ciphers
methodbeam/e53ac989-c20d-43a1-bce5-5e5f0c7dfa72
encryptor
methodbeam/e53ac989-c20d-43a1-bce5-5e5f0c7dfa72
decryptor
methodCallbeam/7e19863a-d1fd-4ecb-8689-dbf30a8549f1
cipher.decryptor()
methodCallbeam/7e19863a-d1fd-4ecb-8689-dbf30a8549f1
cipher.encryptor()
modulebeam/0551b16c-ce6f-4ca1-887e-75101f9635fc
ex:cryptography
parameterIVbeam/acc7737b-32aa-4380-a1ea-b92bfd58d6ab
ex:iv
parametersbeam/fcb9de35-4f30-4aa1-ac33-10f1741f5be3
ex:backend
parametersbeam/fcb9de35-4f30-4aa1-ac33-10f1741f5be3
ex:iv
parametersbeam/fcb9de35-4f30-4aa1-ac33-10f1741f5be3
ex:key
parametersbeam/fcb9de35-4f30-4aa1-ac33-10f1741f5be3
ex:modes.CBC
purposebeam/2483192e-5cd7-4a9a-975c-0bf2844cc7c3
ex:DataEncryption

References (33)

33 references
  1. customctx:claims/beam/909e69ff-874d-482b-a44e-3121e0eae4bd
  2. customctx:claims/beam/fcb9de35-4f30-4aa1-ac33-10f1741f5be3
  3. [3]beam-chunk4 facts
    customctx:claims/beam/bd153859-00b6-4ef0-b7e7-265cdeb8b67b
    • full textbeam-chunk
      text/plain1 KBdoc:beam/bd153859-00b6-4ef0-b7e7-265cdeb8b67b
      Show excerpt
      from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC from cryptography.hazmat.primitives import hashes from cryptography.hazmat.backends import default_backend from cryptography.hazmat.primitives import padding import base64 imp
  4. [4]beam-chunk1 fact
    customctx:claims/beam/9350be2f-f1ef-46a5-92cd-6da8eaf17654
    • full textbeam-chunk
      text/plain1 KBdoc:beam/9350be2f-f1ef-46a5-92cd-6da8eaf17654
      Show excerpt
      padded_data = padder.update(data) + padder.finalize() # Encrypt the padded data encrypted_data = encryptor.update(padded_data) + encryptor.finalize() # Return the encrypted data along with the key and IV return base64.
  5. customctx:claims/beam/b38f23a2-6377-485e-9852-d583bcfdbfe8
  6. customctx:claims/beam/7e19863a-d1fd-4ecb-8689-dbf30a8549f1
  7. [7]beam-chunk2 facts
    customctx:claims/beam/cd6ee92a-5437-4fd1-b8ef-0c0c8548d120
    • full textbeam-chunk
      text/plain1 KBdoc:beam/cd6ee92a-5437-4fd1-b8ef-0c0c8548d120
      Show excerpt
      Here's an updated version of your code with proper handling of padding and IV: ```python import os from cryptography.hazmat.primitives import padding from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes from cryptog
  8. [8]beam-chunk2 facts
    customctx:claims/beam/acc7737b-32aa-4380-a1ea-b92bfd58d6ab
    • full textbeam-chunk
      text/plain1 KBdoc:beam/acc7737b-32aa-4380-a1ea-b92bfd58d6ab
      Show excerpt
      - **Profiling**: Profile your encryption and decryption processes to identify bottlenecks and optimize performance. - **Caching**: Use caching mechanisms to store frequently accessed encrypted files in memory. ### Example Implementation H
  9. [9]beam-chunk8 facts
    customctx:claims/beam/6aa1b8e7-a4ef-4761-944e-6088482ae6a5
    • full textbeam-chunk
      text/plain1 KBdoc:beam/6aa1b8e7-a4ef-4761-944e-6088482ae6a5
      Show excerpt
      encrypted_data = encryptor.update(padded_data) + encryptor.finalize() return encrypted_data # Function to decrypt data def decrypt_data(encrypted_data, key, iv): cipher = Cipher(algorithms.AES(key), modes.CBC(iv), backend=defau
  10. [10]beam-chunk1 fact
    customctx:claims/beam/7467740f-9800-476d-a2d7-0838e3b0d3bf
    • full textbeam-chunk
      text/plain1 KBdoc:beam/7467740f-9800-476d-a2d7-0838e3b0d3bf
      Show excerpt
      1. **Key Length**: AES-256 requires a 256-bit (32-byte) key, but your current key is only 16 bytes long. You need to generate a 32-byte key. 2. **Padding**: Your current implementation uses PKCS7 padding, which is correct, but make sure the
  11. customctx:claims/beam/f66c278b-dea4-4ee4-9136-31dd7dcd1c05
  12. [12]beam-chunk1 fact
    customctx:claims/beam/f3f1ca62-5cb6-4c9f-8c31-5300bb83585e
    • full textbeam-chunk
      text/plain1 KBdoc:beam/f3f1ca62-5cb6-4c9f-8c31-5300bb83585e
      Show excerpt
      cipher = Cipher(algorithms.AES(key), modes.CBC(iv), backend=default_backend()) encryptor = cipher.encryptor() padder = padding.PKCS7(algorithms.AES.block_size).padder() padded_data = padder.update(data) + padder.finalize()
  13. customctx:claims/beam/bd0cba3e-0581-4a9d-beed-2848cbb8aab9
  14. [14]beam-chunk4 facts
    customctx:claims/beam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34
    • full textbeam-chunk
      text/plain1 KBdoc:beam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34
      Show excerpt
      padder = padding.PKCS7(algorithms.AES.block_size).padder() padded_data = padder.update(data.encode()) + padder.finalize() return padded_data def unpad_data(padded_data): """Unpad data after decryption.""" unpadder = pad
  15. [15]beam-chunk2 facts
    customctx:claims/beam/22bf3452-3cf2-4775-869b-61a865a7f8a9
    • full textbeam-chunk
      text/plain1 KBdoc:beam/22bf3452-3cf2-4775-869b-61a865a7f8a9
      Show excerpt
      unpadder = padding.PKCS7(algorithms.AES.block_size).unpadder() data = unpadder.update(padded_data) + unpadder.finalize() return data.decode() def encrypt_data(data, password): """Encrypt data using AES.""" salt = os.ura
  16. customctx:claims/beam/bcc993b1-f893-4a68-ab42-c5c125defe57
  17. ctx:claims/beam/c0bb5777-1dfd-4fdc-914c-30464b70608d
  18. ctx:claims/beam/901c90f7-6b68-4e8f-bbc8-2d84f939b1f4
  19. ctx:claims/beam/83f71c9b-2bad-45ae-8966-545aaba0b555
  20. ctx:claims/beam/2483192e-5cd7-4a9a-975c-0bf2844cc7c3
  21. ctx:claims/beam/460f970b-e5a9-4221-a69b-6362a6c74450
  22. ctx:claims/beam/04d10d5e-f403-42f9-bb79-b20332c07ec7
  23. ctx:claims/beam/a0acc7da-9281-49d2-9d61-1dff4dbd521c
  24. ctx:claims/beam/da859346-1427-4bfe-b9a2-66bf12268d23
  25. ctx:claims/beam/089ebd9c-443e-4314-9dec-d6476e15f7f3
  26. ctx:claims/beam/be306299-2e0b-47ac-ba14-47feeba636a7
  27. ctx:claims/beam/e53ac989-c20d-43a1-bce5-5e5f0c7dfa72
  28. ctx:claims/beam/614e249a-23d7-4d89-8879-73fd8d419e05
  29. ctx:claims/beam/2249fd17-19ba-42bc-a76d-b2263fd55640
  30. ctx:claims/beam/971e1e14-3823-47e1-b732-7096f5775585
  31. ctx:claims/beam/74c665b8-038c-4a98-ac1f-e97fc58474dc
  32. ctx:claims/beam/5bcd6fc3-c2b0-4773-b9fd-d4ef36b06677
  33. ctx:claims/beam/0551b16c-ce6f-4ca1-887e-75101f9635fc

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