Derive Key

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From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-10.)

Derive Key

Rdf:type	Function^[2]
Rdfs:label	derive_key^[3]
Has Parameter	Iterations^[4]
Has Parameter	Password^[4]
Uses Algorithm	Pbkdf2 Hmac^[3]
Uses Algorithm	Scrypt^[5]
Called by	Decrypt Data^[2]
Called by	Encrypt Data^[2]
Returns	Key^[1]
Returns	key^[1]
Requires	Password^[2]
Requires	Salt^[2]
Parameter Order	password^[1]
Parameter Order	salt^[1]

ex:derive_key

Derive Key has 41 facts recorded in Dontopedia across 6 references, with 8 live disagreements.

41 facts·17 predicates·6 sources·8 in dispute

Mostly:has parameter(8), rdf:type(6), rdfs:label(5)

Rdf:typein dispute`rdf:type`

Function^[2]all time · 5b1512d8 0591 4dc3 B2ed 9f55d847bf34
Function^[3]all time · 13a6a2e0 68b5 4537 9124 5031f1f8b809
Function^[6]all time · 22bf3452 3cf2 4775 869b 61a865a7f8a9
Function^[1]all time · B38f23a2 6377 485e 9852 D583bcfdbfe8
Function^[4]all time · 90e6b45c 9d09 453b A001 B30716bcfd86
Function^[5]all time · 36baf92f 028a 4045 8b57 6e1d4db03aba

Rdfs:labelin dispute`rdfs:label`

derive_key^[3]all time · 13a6a2e0 68b5 4537 9124 5031f1f8b809
derive_key^[4]sourceall time · 90e6b45c 9d09 453b A001 B30716bcfd86
derive_key^[1]all time · B38f23a2 6377 485e 9852 D583bcfdbfe8
derive_key^[2]all time · 5b1512d8 0591 4dc3 B2ed 9f55d847bf34
derive_key^[5]all time · 36baf92f 028a 4045 8b57 6e1d4db03aba

Has Parameterin dispute`hasParameter`

Iterations^[4]sourceall time · 90e6b45c 9d09 453b A001 B30716bcfd86
Iterations^[3]all time · 13a6a2e0 68b5 4537 9124 5031f1f8b809
Password^[4]sourceall time · 90e6b45c 9d09 453b A001 B30716bcfd86
Password^[1]all time · B38f23a2 6377 485e 9852 D583bcfdbfe8
Salt^[1]all time · B38f23a2 6377 485e 9852 D583bcfdbfe8
Salt^[4]sourceall time · 90e6b45c 9d09 453b A001 B30716bcfd86
salt^[2]all time · 5b1512d8 0591 4dc3 B2ed 9f55d847bf34
password^[2]all time · 5b1512d8 0591 4dc3 B2ed 9f55d847bf34

Uses Algorithmin dispute`usesAlgorithm`

Pbkdf2 Hmac^[3]all time · 13a6a2e0 68b5 4537 9124 5031f1f8b809
Scrypt^[5]sourceall time · 36baf92f 028a 4045 8b57 6e1d4db03aba
Scrypt^[1]all time · B38f23a2 6377 485e 9852 D583bcfdbfe8

Called byin dispute`calledBy`

Decrypt Data^[2]sourceall time · 5b1512d8 0591 4dc3 B2ed 9f55d847bf34
Encrypt Data^[2]sourceall time · 5b1512d8 0591 4dc3 B2ed 9f55d847bf34
Process User^[3]all time · 13a6a2e0 68b5 4537 9124 5031f1f8b809

Returnsin dispute`returns`

Key^[1]all time · B38f23a2 6377 485e 9852 D583bcfdbfe8
Key^[4]sourceall time · 90e6b45c 9d09 453b A001 B30716bcfd86
key^[1]all time · B38f23a2 6377 485e 9852 D583bcfdbfe8

Requiresin dispute`requires`

Password^[2]all time · 5b1512d8 0591 4dc3 B2ed 9f55d847bf34
Salt^[2]all time · 5b1512d8 0591 4dc3 B2ed 9f55d847bf34

Parameter Orderin dispute`parameterOrder`

password^[1]all time · B38f23a2 6377 485e 9852 D583bcfdbfe8
salt^[1]all time · B38f23a2 6377 485e 9852 D583bcfdbfe8

Computes`computes`

Cryptographic Key^[3]all time · 13a6a2e0 68b5 4537 9124 5031f1f8b809

Parameter Count`parameterCount`

4^[3]all time · 13a6a2e0 68b5 4537 9124 5031f1f8b809

Has Purpose`hasPurpose`

Key Derivation^[3]all time · 13a6a2e0 68b5 4537 9124 5031f1f8b809

Has Return Type`hasReturnType`

Bytes^[4]all time · 90e6b45c 9d09 453b A001 B30716bcfd86

Inbound mentions (21)

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.

`calls`Calls(4)

Decrypt Datadecrypt_data
Encrypt Dataencrypt_data
Decrypt Dataex:decrypt_data
Encrypt Dataex:encrypt_data

`dependency`Dependency(2)

Decrypt Dataex:decrypt_data
Encrypt Dataex:encrypt_data

`isArgumentOf`Is Argument of(2)

Passwordex:password
Saltex:salt

`uses`Uses(2)

Decrypt Dataex:decrypt_data
Encrypt Dataex:encrypt_data

`callsFunction`Calls Function(1)

Process Userex:process_user

`containsFunction`Contains Function(1)

Code Sectionex:code_section

`derivedUsing`Derived Using(1)

Keyex:key

`derivesKeyUsing`Derives Key Using(1)

Encrypt Dataex:encrypt_data

`explains`Explains(1)

Explanationex:explanation

`instantiatedWith`Instantiated With(1)

Pbkdf2 Hmacex:PBKDF2HMAC

`outputOf`Output of(1)

Keyex:key

`topic`Topic(1)

Point 4ex:point-4

`usedBy`Used by(1)

Scryptex:Scrypt

`usedIn`Used in(1)

Precomputed Saltex:precomputed_salt

`usesFunction`Uses Function(1)

Example Usageex:example_usage

Other facts (5)

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.

5 facts

Predicate	Value	Ref
Uses	Pbkdf2 Hmac	[4]
Purpose	Key Security	[5]
Takes Parameter	Password	[5]
Has Comment	Function to derive a key from a password using Scrypt	[1]
Called Before	Encrypt Data	[1]

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.

41 undated

—

calledBeforebeam/b38f23a2-6377-485e-9852-d583bcfdbfe8

ex:encrypt_data

—

calledBybeam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34

ex:decrypt_data

—

calledBybeam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34

ex:encrypt_data

—

calledBybeam/13a6a2e0-68b5-4537-9124-5031f1f8b809

ex:process_user

—

computesbeam/13a6a2e0-68b5-4537-9124-5031f1f8b809

ex:cryptographic_key

—

hasCommentbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8

Function to derive a key from a password using Scrypt

—

hasParameterbeam/90e6b45c-9d09-453b-a001-b30716bcfd86

ex:iterations

—

hasParameterbeam/13a6a2e0-68b5-4537-9124-5031f1f8b809

ex:iterations

—

hasParameterbeam/90e6b45c-9d09-453b-a001-b30716bcfd86

ex:password

—

hasParameterbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8

ex:password

—

hasParameterbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8

ex:salt

—

hasParameterbeam/90e6b45c-9d09-453b-a001-b30716bcfd86

ex:salt

—

hasParameterbeam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34

salt

—

hasParameterbeam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34

password

—

hasPurposebeam/13a6a2e0-68b5-4537-9124-5031f1f8b809

ex:key_derivation

—

hasReturnTypebeam/90e6b45c-9d09-453b-a001-b30716bcfd86

ex:bytes

—

parameterCountbeam/13a6a2e0-68b5-4537-9124-5031f1f8b809

—

parameterOrderbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8

password

—

parameterOrderbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8

salt

—

purposebeam/36baf92f-028a-4045-8b57-6e1d4db03aba

ex:key-security

—

labelbeam/13a6a2e0-68b5-4537-9124-5031f1f8b809

derive_key

—

labelbeam/90e6b45c-9d09-453b-a001-b30716bcfd86

derive_key

—

labelbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8

derive_key

—

labelbeam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34

derive_key

—

labelbeam/36baf92f-028a-4045-8b57-6e1d4db03aba

derive_key

—

typebeam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34

ex:Function

—

typebeam/13a6a2e0-68b5-4537-9124-5031f1f8b809

ex:Function

—

typebeam/22bf3452-3cf2-4775-869b-61a865a7f8a9

ex:Function

—

typebeam/b38f23a2-6377-485e-9852-d583bcfdbfe8

ex:Function

—

typebeam/90e6b45c-9d09-453b-a001-b30716bcfd86

ex:Function

—

typebeam/36baf92f-028a-4045-8b57-6e1d4db03aba

ex:Function

—

requiresbeam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34

ex:password

—

requiresbeam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34

ex:salt

—

returnsbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8

ex:key

—

returnsbeam/90e6b45c-9d09-453b-a001-b30716bcfd86

ex:key

—

returnsbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8

key

—

takesParameterbeam/36baf92f-028a-4045-8b57-6e1d4db03aba

ex:password

—

usesbeam/90e6b45c-9d09-453b-a001-b30716bcfd86

ex:PBKDF2HMAC

—

usesAlgorithmbeam/13a6a2e0-68b5-4537-9124-5031f1f8b809

ex:PBKDF2HMAC

—

usesAlgorithmbeam/36baf92f-028a-4045-8b57-6e1d4db03aba

ex:Scrypt

—

usesAlgorithmbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8

ex:Scrypt

References (6)

6 references

[1]B38f23a2 6377 485e 9852 D583bcfdbfe811 facts
customctx:claims/beam/b38f23a2-6377-485e-9852-d583bcfdbfe8
[2]beam-chunk8 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…
[3]13a6a2e0 68b5 4537 9124 5031f1f8b8098 facts
customctx:claims/beam/13a6a2e0-68b5-4537-9124-5031f1f8b809
[4]beam-chunk8 facts
customctx:claims/beam/90e6b45c-9d09-453b-a001-b30716bcfd86
- full textbeam-chunk
  text/plain1 KBdoc:beam/90e6b45c-9d09-453b-a001-b30716bcfd86
  Show excerpt
  def derive_key(password, salt, iterations=10000): kdf = PBKDF2HMAC( algorithm=hashes.SHA256(), length=32, salt=salt, iterations=iterations, backend=default_backend() ) return kdf.derive(pa…
[5]beam-chunk5 facts
customctx:claims/beam/36baf92f-028a-4045-8b57-6e1d4db03aba
- full textbeam-chunk
  text/plain1 KBdoc:beam/36baf92f-028a-4045-8b57-6e1d4db03aba
  Show excerpt
  encrypted_data = encrypt_data(data.encode(), key) print(f"Encrypted Data: {encrypted_data}") decrypted_data = decrypt_data(encrypted_data, key) print(f"Decrypted Data: {decrypted_data.decode()}") # Ensure to securely store the salt and ke…
[6]beam-chunk1 fact
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…

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Derive Key

Rdf:typein disputerdf:type

Rdfs:labelin disputerdfs:label

Has Parameterin disputehasParameter

Uses Algorithmin disputeusesAlgorithm

Called byin disputecalledBy

Returnsin disputereturns

Requiresin disputerequires

Parameter Orderin disputeparameterOrder

Computescomputes

Parameter CountparameterCount

Has PurposehasPurpose

Has Return TypehasReturnType

Inbound mentions (21)

callsCalls(4)

dependencyDependency(2)

isArgumentOfIs Argument of(2)

usesUses(2)

callsFunctionCalls Function(1)

containsFunctionContains Function(1)

derivedUsingDerived Using(1)

derivesKeyUsingDerives Key Using(1)

explainsExplains(1)

instantiatedWithInstantiated With(1)

outputOfOutput of(1)

topicTopic(1)

usedByUsed by(1)

usedInUsed in(1)

usesFunctionUses Function(1)

Other facts (5)

Timeline

References (6)

See also

Keep researching

Rdf:typein dispute`rdf:type`

Rdfs:labelin dispute`rdfs:label`

Has Parameterin dispute`hasParameter`

Uses Algorithmin dispute`usesAlgorithm`

Called byin dispute`calledBy`

Returnsin dispute`returns`

Requiresin dispute`requires`

Parameter Orderin dispute`parameterOrder`

Computes`computes`

Parameter Count`parameterCount`

Has Purpose`hasPurpose`

Has Return Type`hasReturnType`

`calls`Calls(4)

`dependency`Dependency(2)

`isArgumentOf`Is Argument of(2)

`uses`Uses(2)

`callsFunction`Calls Function(1)

`containsFunction`Contains Function(1)

`derivedUsing`Derived Using(1)

`derivesKeyUsing`Derives Key Using(1)

`explains`Explains(1)

`instantiatedWith`Instantiated With(1)

`outputOf`Output of(1)

`topic`Topic(1)

`usedBy`Used by(1)

`usedIn`Used in(1)

`usesFunction`Uses Function(1)