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Os.urandom

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

Os.urandom has 100 facts recorded in Dontopedia across 39 references, with 11 live disagreements.

100+ facts·25 predicates·39 sources·11 in dispute

Mostly:rdf:type(30), returns(20), rdfs:label(17)

Maturity scale raw canonical shape-checked rule-derived certified

Rdf:typein disputerdf:type

  • Function[8]all time · Be306299 2e0b 47ac Ba14 47feeba636a7
  • Function[28]all time · 5b1512d8 0591 4dc3 B2ed 9f55d847bf34
  • Function[29]sourceall time · 2483192e 5cd7 4a9a 975c 0bf2844cc7c3
  • Function[30]all time · 9d03e50e A0b1 42ec 90b0 7b382fae96fc
  • Function[25]all time · D71b63cf 6419 4ee8 9e80 10f81d233677
  • Function[31]all time · 83f71c9b 2bad 45ae 8966 545aaba0b555
  • Function[12]all time · B38f23a2 6377 485e 9852 D583bcfdbfe8
  • Function[13]all time · E53ac989 C20d 43a1 Bce5 5e5f0c7dfa72
  • Function[21]all time · Ca034bbe 93a2 4f1b 914a F40be14f6314
  • Function[15]all time · Da4252ac F0c3 49f6 811c Eecc297b7339

Returnsin disputereturns

Rdfs:labelin disputerdfs:label

  • os.urandom[19]sourceall time · 73388ee5 295f 470f A27c 5c05c42540f7
  • os.urandom[18]all time · 2c00aeef Befc 4dc9 94a3 0004e4ee2ad0
  • os.urandom[4]all time · 31e16498 1514 4afe Afc3 577c6632a1cc
  • os.urandom[20]all time · 0da9edf7 C6b0 4e6e 8ee4 2dfa8d67a382
  • os.urandom[21]all time · Ca034bbe 93a2 4f1b 914a F40be14f6314
  • os.urandom[22]sourceall time · 9e462471 96ca 4363 9bd7 A353962f703c
  • os.urandom[23]sourceall time · 6aa1b8e7 A4ef 4761 944e 6088482ae6a5
  • os.urandom[6]all time · D29180df 64e5 4f7a 9567 D5a5229aebb8
  • os.urandom[15]sourceall time · Da4252ac F0c3 49f6 811c Eecc297b7339
  • urandom[3]sourceall time · 7467740f 9800 476d A2d7 0838e3b0d3bf

Providesin disputeprovides

  • Cryptographic Randomness[17]all time · 089ebd9c 443e 4314 9dec D6476e15f7f3
  • Randomness[4]sourceall time · 31e16498 1514 4afe Afc3 577c6632a1cc
  • cryptographically_secure_random[18]all time · 2c00aeef Befc 4dc9 94a3 0004e4ee2ad0

Generatesin disputegenerates

  • Random Bytes[12]all time · B38f23a2 6377 485e 9852 D583bcfdbfe8
  • Salt[6]sourceall time · D29180df 64e5 4f7a 9567 D5a5229aebb8

Returns Bytesin disputereturnsBytes

  • 16[39]all time · Fb445fba 2a65 44eb Ba60 5b62da832c16
  • true[5]all time · 9b580003 8b42 4979 982c 226f5ef81865

Returns Typein disputereturnsType

  • bytes[38]all time · 7ef6add4 A877 46cf 90e4 56753f4b4b3e
  • bytes[2]all time · Cd6ee92a 5437 4fd1 B8ef 0c0c8548d120

Argumentin disputeargument

  • 32[1]all time · 460f970b E5a9 4221 A69b 6362a6c74450
  • 16[2]sourceall time · Cd6ee92a 5437 4fd1 B8ef 0c0c8548d120

Called Within disputecalledWith

  • 16[8]sourceall time · Be306299 2e0b 47ac Ba14 47feeba636a7
  • 16[9]all time · 3ff70b2f B2ea 4b16 9465 6ed8d087111c
  • 32[8]sourceall time · Be306299 2e0b 47ac Ba14 47feeba636a7

Called forin disputecalledFor

  • Iv[7]all time · 909e69ff 874d 482b A44e 3121e0eae4bd
  • Key[7]all time · 909e69ff 874d 482b A44e 3121e0eae4bd

Has Argumentin disputehasArgument

  • 32[14]all time · D418173a 202a 4062 9929 4f426b8dcf0a
  • 16[14]all time · D418173a 202a 4062 9929 4f426b8dcf0a

Belongs to ManybelongsToMany

  • Os[3]sourceall time · 7467740f 9800 476d A2d7 0838e3b0d3bf
  • Os[4]sourceall time · 31e16498 1514 4afe Afc3 577c6632a1cc

Inbound mentions (51)

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.

usesUses(17)

generatedByGenerated by(11)

usesFunctionUses Function(5)

callsCalls(3)

createdByCreated by(2)

hasGenerationMethodHas Generation Method(2)

isGeneratedByIs Generated by(2)

usedByUsed by(2)

achievedByAchieved by(1)

argumentToArgument to(1)

callsMethodCalls Method(1)

initializedByInitialized by(1)

providesProvides(1)

providesFunctionProvides Function(1)

usesMethodUses Method(1)

Other facts (13)

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.

13 facts
PredicateValueRef
Byte Length16[6]
Byte Count16[5]
Generates Cryptographic Randomtrue[13]
Is Cryptographically Securetrue[17]
Imports Fromos[16]
Cryptographically Securetrue[10]
Moduleos[10]
Returns Random Bytestrue[15]
Parameter32[15]
Has Parameter32[15]
Functiontrue[7]
Cryptographic Strengthsuitable[11]
Defined inOs Module[11]

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.

argumentbeam/460f970b-e5a9-4221-a69b-6362a6c74450
32
argumentbeam/cd6ee92a-5437-4fd1-b8ef-0c0c8548d120
16
belongsToManybeam/7467740f-9800-476d-a2d7-0838e3b0d3bf
ex:os
belongsToManybeam/31e16498-1514-4afe-afc3-577c6632a1cc
ex:os
byteCountbeam/9b580003-8b42-4979-982c-226f5ef81865
16
byteLengthbeam/d29180df-64e5-4f7a-9567-d5a5229aebb8
16
calledForbeam/909e69ff-874d-482b-a44e-3121e0eae4bd
ex:iv
calledForbeam/909e69ff-874d-482b-a44e-3121e0eae4bd
ex:key
calledWithbeam/be306299-2e0b-47ac-ba14-47feeba636a7
16
calledWithbeam/3ff70b2f-b2ea-4b16-9465-6ed8d087111c
16
calledWithbeam/be306299-2e0b-47ac-ba14-47feeba636a7
32
cryptographicallySecurebeam/9350be2f-f1ef-46a5-92cd-6da8eaf17654
true
cryptographicStrengthbeam/ff581b7e-4741-4625-b6c6-9830a1f6803d
suitable
definedInbeam/ff581b7e-4741-4625-b6c6-9830a1f6803d
ex:os-module
functionbeam/909e69ff-874d-482b-a44e-3121e0eae4bd
true
generatesbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8
ex:random_bytes
generatesbeam/d29180df-64e5-4f7a-9567-d5a5229aebb8
ex:salt
generatesCryptographicRandombeam/e53ac989-c20d-43a1-bce5-5e5f0c7dfa72
true
hasArgumentbeam/d418173a-202a-4062-9929-4f426b8dcf0a
32
hasArgumentbeam/d418173a-202a-4062-9929-4f426b8dcf0a
16
hasParameterbeam/da4252ac-f0c3-49f6-811c-eecc297b7339
32
importsFrombeam/901c90f7-6b68-4e8f-bbc8-2d84f939b1f4
os
isCryptographicallySecurebeam/089ebd9c-443e-4314-9dec-d6476e15f7f3
true
modulebeam/9350be2f-f1ef-46a5-92cd-6da8eaf17654
os
parameterbeam/da4252ac-f0c3-49f6-811c-eecc297b7339
32
providesbeam/089ebd9c-443e-4314-9dec-d6476e15f7f3
ex:cryptographic_randomness
providesbeam/31e16498-1514-4afe-afc3-577c6632a1cc
ex:randomness
providesbeam/2c00aeef-befc-4dc9-94a3-0004e4ee2ad0
cryptographically_secure_random
labelbeam/73388ee5-295f-470f-a27c-5c05c42540f7
os.urandom
labelbeam/2c00aeef-befc-4dc9-94a3-0004e4ee2ad0
os.urandom
labelbeam/31e16498-1514-4afe-afc3-577c6632a1cc
os.urandom
labelbeam/0da9edf7-c6b0-4e6e-8ee4-2dfa8d67a382
os.urandom
labelbeam/ca034bbe-93a2-4f1b-914a-f40be14f6314
os.urandom
labelbeam/9e462471-96ca-4363-9bd7-a353962f703c
os.urandom
labelbeam/6aa1b8e7-a4ef-4761-944e-6088482ae6a5
os.urandom
labelbeam/d29180df-64e5-4f7a-9567-d5a5229aebb8
os.urandom
labelbeam/da4252ac-f0c3-49f6-811c-eecc297b7339
os.urandom
labelbeam/7467740f-9800-476d-a2d7-0838e3b0d3bf
urandom
labelbeam/a8a037b9-dd54-4121-aef6-1cf2801d5015
os.urandom
labelbeam/d71b63cf-6419-4ee8-9e80-10f81d233677
os.urandom
labelbeam/5c085aa5-6edc-41d5-9a88-00605b0def2e
urandom
labelbeam/b38f23a2-6377-485e-9852-d583bcfdbfe8
os.urandom
labelbeam/d418173a-202a-4062-9929-4f426b8dcf0a
os.urandom
labelbeam/614e249a-23d7-4d89-8879-73fd8d419e05
urandom function
labelbeam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34
urandom
typebeam/be306299-2e0b-47ac-ba14-47feeba636a7
ex:Function
typebeam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34
ex:Function
typebeam/2483192e-5cd7-4a9a-975c-0bf2844cc7c3
ex:Function
typebeam/9d03e50e-a0b1-42ec-90b0-7b382fae96fc
ex:Function
typebeam/d71b63cf-6419-4ee8-9e80-10f81d233677
ex:Function
typebeam/83f71c9b-2bad-45ae-8966-545aaba0b555
ex:Function
typebeam/b38f23a2-6377-485e-9852-d583bcfdbfe8
ex:Function
typebeam/e53ac989-c20d-43a1-bce5-5e5f0c7dfa72
ex:Function
typebeam/ca034bbe-93a2-4f1b-914a-f40be14f6314
ex:Function
typebeam/da4252ac-f0c3-49f6-811c-eecc297b7339
ex:Function
typebeam/6aa1b8e7-a4ef-4761-944e-6088482ae6a5
ex:Function
typebeam/2c00aeef-befc-4dc9-94a3-0004e4ee2ad0
ex:Function
typebeam/31e16498-1514-4afe-afc3-577c6632a1cc
ex:Function
typebeam/614e249a-23d7-4d89-8879-73fd8d419e05
ex:Function
typebeam/d418173a-202a-4062-9929-4f426b8dcf0a
ex:Function
typebeam/32aab528-a01d-418f-9e7a-f573e689dca5
ex:Function
typebeam/0da9edf7-c6b0-4e6e-8ee4-2dfa8d67a382
ex:PythonFunction
typebeam/5c085aa5-6edc-41d5-9a88-00605b0def2e
ex:PythonFunction
typebeam/7467740f-9800-476d-a2d7-0838e3b0d3bf
ex:PythonFunction
typebeam/34473bac-396f-46e2-b832-fb617e56ae53
ex:PythonFunction
typebeam/73388ee5-295f-470f-a27c-5c05c42540f7
ex:PythonFunction
typebeam/ff581b7e-4741-4625-b6c6-9830a1f6803d
ex:random-function
typebeam/5441392d-5859-4921-88ab-c827f41b5ca2
ex:RandomFunction
typebeam/22079319-8d6c-466e-a8b8-665e9aa7b629
ex:RandomFunction
typebeam/9e462471-96ca-4363-9bd7-a353962f703c
ex:RandomFunction
typebeam/86a8d7be-932d-4df0-a6c8-34e949ee9ecf
ex:RandomFunction
typebeam/d29180df-64e5-4f7a-9567-d5a5229aebb8
ex:RandomGenerator
typebeam/a8a037b9-dd54-4121-aef6-1cf2801d5015
ex:RandomNumberGenerator
typebeam/8f2f58bb-4b66-475b-a7a3-1f2d076ea311
ex:RandomNumberGenerator
typebeam/9350be2f-f1ef-46a5-92cd-6da8eaf17654
ex:RandomNumberGenerator
returnsbeam/0da9edf7-c6b0-4e6e-8ee4-2dfa8d67a382
ex:bytes-object
returnsbeam/e53ac989-c20d-43a1-bce5-5e5f0c7dfa72
ex:iv
returnsbeam/31e16498-1514-4afe-afc3-577c6632a1cc
ex:key
returnsbeam/7ef6add4-a877-46cf-90e4-56753f4b4b3e
ex:key
returnsbeam/da4252ac-f0c3-49f6-811c-eecc297b7339
ex:key
returnsbeam/614e249a-23d7-4d89-8879-73fd8d419e05
ex:random-bytes
returnsbeam/909e69ff-874d-482b-a44e-3121e0eae4bd
ex:random-bytes
returnsbeam/22079319-8d6c-466e-a8b8-665e9aa7b629
ex:random-bytes
returnsbeam/ca034bbe-93a2-4f1b-914a-f40be14f6314
ex:random-bytes
returnsbeam/d418173a-202a-4062-9929-4f426b8dcf0a
ex:random_bytes
returnsbeam/460f970b-e5a9-4221-a69b-6362a6c74450
ex:random_bytes
returnsbeam/2483192e-5cd7-4a9a-975c-0bf2844cc7c3
ex:randomBytes
returnsbeam/9e462471-96ca-4363-9bd7-a353962f703c
ex:salt
returnsbeam/e53ac989-c20d-43a1-bce5-5e5f0c7dfa72
ex:salt
returnsbeam/9d03e50e-a0b1-42ec-90b0-7b382fae96fc
ex:secure-random-bytes
returnsbeam/83f71c9b-2bad-45ae-8966-545aaba0b555
bytes
returnsbeam/cd6ee92a-5437-4fd1-b8ef-0c0c8548d120
random_bytes
returnsbeam/ff581b7e-4741-4625-b6c6-9830a1f6803d
bytes
returnsbeam/34473bac-396f-46e2-b832-fb617e56ae53
bytes
returnsbeam/901c90f7-6b68-4e8f-bbc8-2d84f939b1f4
random_bytes
returnsBytesbeam/fb445fba-2a65-44eb-ba60-5b62da832c16
16
returnsBytesbeam/9b580003-8b42-4979-982c-226f5ef81865
true
returnsRandomBytesbeam/da4252ac-f0c3-49f6-811c-eecc297b7339
true
returnsTypebeam/7ef6add4-a877-46cf-90e4-56753f4b4b3e
bytes
returnsTypebeam/cd6ee92a-5437-4fd1-b8ef-0c0c8548d120
bytes

References (39)

39 references
  1. [1]beam-chunk2 facts
    customctx:claims/beam/460f970b-e5a9-4221-a69b-6362a6c74450
    • full textbeam-chunk
      text/plain1 KBdoc:beam/460f970b-e5a9-4221-a69b-6362a6c74450
      Show excerpt
      return iv + encrypted_data def generate_key(): # Generate a 256-bit (32-byte) key. return os.urandom(32) # Generate a secure key for AES-256 key = generate_key() # Sample data to encrypt data = b'Hello, World!' # Encrypt the
  2. [2]beam-chunk3 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
  3. [3]beam-chunk3 facts
    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
  4. [4]beam-chunk5 facts
    customctx:claims/beam/31e16498-1514-4afe-afc3-577c6632a1cc
    • full textbeam-chunk
      text/plain1 KBdoc:beam/31e16498-1514-4afe-afc3-577c6632a1cc
      Show excerpt
      encryptor = cipher.encryptor() # Pad the data to a multiple of the block size. padder = padding.PKCS7(128).padder() padded_data = padder.update(data) + padder.finalize() # Encrypt the data. encrypted_data = encrypt
  5. [5]beam-chunk2 facts
    customctx:claims/beam/9b580003-8b42-4979-982c-226f5ef81865
    • full textbeam-chunk
      text/plain1 KBdoc:beam/9b580003-8b42-4979-982c-226f5ef81865
      Show excerpt
      3. **Padding**: While PKCS7 padding is acceptable, ensure that it is applied correctly. 4. **Cipher Mode**: CBC mode is commonly used, but consider using authenticated encryption modes like GCM (Galois/Counter Mode) for added security. 5.
  6. [6]beam-chunk4 facts
    customctx:claims/beam/d29180df-64e5-4f7a-9567-d5a5229aebb8
    • full textbeam-chunk
      text/plain1 KBdoc:beam/d29180df-64e5-4f7a-9567-d5a5229aebb8
      Show excerpt
      plaintext = decryptor.update(ciphertext) + decryptor.finalize() return plaintext # Redis client setup r = redis.Redis(host='localhost', port=6379, db=0) # Example usage password = b'secret_password' salt = os.urandom(16) key = gen
  7. customctx:claims/beam/909e69ff-874d-482b-a44e-3121e0eae4bd
  8. [8]beam-chunk3 facts
    customctx:claims/beam/be306299-2e0b-47ac-ba14-47feeba636a7
    • full textbeam-chunk
      text/plain1 KBdoc:beam/be306299-2e0b-47ac-ba14-47feeba636a7
      Show excerpt
      iv = os.urandom(16) # 128-bit IV # Create a cipher context cipher = Cipher(algorithms.AES(key), modes.CBC(iv), backend=default_backend()) # Pad the data padder = padding.PKCS7(128).padder() padded_data = padde
  9. customctx:claims/beam/3ff70b2f-b2ea-4b16-9465-6ed8d087111c
  10. [10]beam-chunk3 facts
    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.
  11. customctx:claims/beam/ff581b7e-4741-4625-b6c6-9830a1f6803d
  12. customctx:claims/beam/b38f23a2-6377-485e-9852-d583bcfdbfe8
  13. [13]beam-chunk4 facts
    customctx:claims/beam/e53ac989-c20d-43a1-bce5-5e5f0c7dfa72
    • full textbeam-chunk
      text/plain1 KBdoc:beam/e53ac989-c20d-43a1-bce5-5e5f0c7dfa72
      Show excerpt
      encryptor = cipher.encryptor() with open(file_path, 'rb') as f: plaintext = f.read() ciphertext = encryptor.update(plaintext) + encryptor.finalize() with open(file_path + '.enc', 'wb') as f: f.
  14. customctx:claims/beam/d418173a-202a-4062-9929-4f426b8dcf0a
  15. [15]beam-chunk6 facts
    customctx:claims/beam/da4252ac-f0c3-49f6-811c-eecc297b7339
    • full textbeam-chunk
      text/plain1 KBdoc:beam/da4252ac-f0c3-49f6-811c-eecc297b7339
      Show excerpt
      decrypted_data = decrypt_data(key, encrypted_data) print(f"Decrypted data: {decrypted_data.decode()}") # Example with Hugging Face Transformers from transformers import AutoTokenizer # Initialize tokenizer tokenizer = AutoTokenizer.from_p
  16. [16]beam-chunk2 facts
    customctx:claims/beam/901c90f7-6b68-4e8f-bbc8-2d84f939b1f4
    • full textbeam-chunk
      text/plain1 KBdoc:beam/901c90f7-6b68-4e8f-bbc8-2d84f939b1f4
      Show excerpt
      ) key = kdf.derive(password) iv = os.urandom(16) # 128 bits return key, iv # Encrypt data def encrypt_data(key: bytes, iv: bytes, data: bytes) -> bytes: cipher = Cipher(algorithms.AES(key), modes.CBC(iv), backend=defau
  17. ctx:claims/beam/089ebd9c-443e-4314-9dec-d6476e15f7f3
  18. ctx:claims/beam/2c00aeef-befc-4dc9-94a3-0004e4ee2ad0
  19. ctx:claims/beam/73388ee5-295f-470f-a27c-5c05c42540f7
  20. ctx:claims/beam/0da9edf7-c6b0-4e6e-8ee4-2dfa8d67a382
  21. ctx:claims/beam/ca034bbe-93a2-4f1b-914a-f40be14f6314
  22. ctx:claims/beam/9e462471-96ca-4363-9bd7-a353962f703c
  23. ctx:claims/beam/6aa1b8e7-a4ef-4761-944e-6088482ae6a5
  24. ctx:claims/beam/a8a037b9-dd54-4121-aef6-1cf2801d5015
  25. ctx:claims/beam/d71b63cf-6419-4ee8-9e80-10f81d233677
  26. ctx:claims/beam/5c085aa5-6edc-41d5-9a88-00605b0def2e
  27. ctx:claims/beam/614e249a-23d7-4d89-8879-73fd8d419e05
  28. ctx:claims/beam/5b1512d8-0591-4dc3-b2ed-9f55d847bf34
  29. ctx:claims/beam/2483192e-5cd7-4a9a-975c-0bf2844cc7c3
  30. ctx:claims/beam/9d03e50e-a0b1-42ec-90b0-7b382fae96fc
  31. ctx:claims/beam/83f71c9b-2bad-45ae-8966-545aaba0b555
  32. ctx:claims/beam/32aab528-a01d-418f-9e7a-f573e689dca5
  33. ctx:claims/beam/34473bac-396f-46e2-b832-fb617e56ae53
  34. ctx:claims/beam/5441392d-5859-4921-88ab-c827f41b5ca2
  35. ctx:claims/beam/22079319-8d6c-466e-a8b8-665e9aa7b629
  36. ctx:claims/beam/86a8d7be-932d-4df0-a6c8-34e949ee9ecf
  37. ctx:claims/beam/8f2f58bb-4b66-475b-a7a3-1f2d076ea311
  38. ctx:claims/beam/7ef6add4-a877-46cf-90e4-56753f4b4b3e
  39. ctx:claims/beam/fb445fba-2a65-44eb-ba60-5b62da832c16

See also

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