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Cbc Mode

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

Cbc Mode has 12 facts recorded in Dontopedia across 6 references, with 2 live disagreements.

12 facts·8 predicates·6 sources·2 in dispute

Mostly:rdf:type(4), requires(2), mode type(1)

Maturity scale raw canonical shape-checked rule-derived certified

Rdf:typein disputerdf:type

Requiresin disputerequires

  • Iv[6]sourceall time · 901c90f7 6b68 4e8f Bbc8 2d84f939b1f4
  • random_iv[1]all time · F3f1ca62 5cb6 4c9f 8c31 5300bb83585e

Mode Typemode_type

  • cipher_block_chaining[1]all time · F3f1ca62 5cb6 4c9f 8c31 5300bb83585e

Security PropertysecurityProperty

  • semanticSecurity[5]all time · 9350be2f F1ef 46a5 92cd 6da8eaf17654

Requirementrequirement

  • random_IV[5]all time · 9350be2f F1ef 46a5 92cd 6da8eaf17654

Requires Initialization VectorrequiresInitializationVector

  • Random Iv[2]sourceall time · C5985f72 20ad 4655 Ab96 D46f912b56c4

Rdfs:labelrdfs:label

  • CBC (Cipher Block Chaining)[2]all time · C5985f72 20ad 4655 Ab96 D46f912b56c4

Requires IvrequiresIV

  • true[3]all time · 1cfd72f1 F312 4a9e A709 F12a27524750

Inbound mentions (5)

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(2)

usesModeUses Mode(2)

usedInUsed in(1)

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.

12 undated
—
mode_typebeam/f3f1ca62-5cb6-4c9f-8c31-5300bb83585e
cipher_block_chaining
—
labelbeam/c5985f72-20ad-4655-ab96-d46f912b56c4
CBC (Cipher Block Chaining)
—
typebeam/f3f1ca62-5cb6-4c9f-8c31-5300bb83585e
ex:Block_cipher_mode
—
typebeam/1cfd72f1-f312-4a9e-a709-f12a27524750
ex:BlockCipherMode
—
typebeam/164adb4d-9e8a-45e3-a0ce-fb4713299691
ex:EncryptionMode
—
typebeam/c5985f72-20ad-4655-ab96-d46f912b56c4
ex:EncryptionMode
—
requirementbeam/9350be2f-f1ef-46a5-92cd-6da8eaf17654
random_IV
—
requiresbeam/901c90f7-6b68-4e8f-bbc8-2d84f939b1f4
ex:IV
—
requiresbeam/f3f1ca62-5cb6-4c9f-8c31-5300bb83585e
random_iv
—
requiresInitializationVectorbeam/c5985f72-20ad-4655-ab96-d46f912b56c4
ex:random_IV
—
requiresIVbeam/1cfd72f1-f312-4a9e-a709-f12a27524750
true
—
securityPropertybeam/9350be2f-f1ef-46a5-92cd-6da8eaf17654
semanticSecurity

References (6)

6 references
  1. [1]beam-chunk3 facts
    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() …
  2. [2]beam-chunk3 facts
    customctx:claims/beam/c5985f72-20ad-4655-ab96-d46f912b56c4
    • full textbeam-chunk
      text/plain935 Bdoc:beam/c5985f72-20ad-4655-ab96-d46f912b56c4
      Show excerpt
      from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes from cryptography.hazmat.backends import default_backend def encrypt_data(key, data): # Generate a random 128-bit IV. iv = os.urandom(16) # Create a …
  3. [3]1cfd72f1 F312 4a9e A709 F12a275247502 facts
    customctx:claims/beam/1cfd72f1-f312-4a9e-a709-f12a27524750
  4. [4]beam-chunk1 fact
    customctx:claims/beam/164adb4d-9e8a-45e3-a0ce-fb4713299691
    • full textbeam-chunk
      text/plain999 Bdoc:beam/164adb4d-9e8a-45e3-a0ce-fb4713299691
      Show excerpt
      def batch_encrypt_data(key: bytes, iv: bytes, data_list: List[bytes]) -> List[bytes]: encrypted_data_list = [] for data in data_list: encrypted_data = encrypt_data(key, iv, data) encrypted_data_list.append(encrypted_…
  5. [5]beam-chunk2 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.…
  6. [6]beam-chunk1 fact
    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…

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