OCB authenticated-encryption mode
E440827
OCB authenticated-encryption mode is a block cipher mode of operation that simultaneously provides data confidentiality and integrity with high efficiency and minimal overhead.
All labels observed (1)
| Label | Occurrences |
|---|---|
| OCB authenticated-encryption mode canonical | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
authenticated encryption mode
ⓘ
block cipher mode of operation ⓘ |
| alsoKnownAs | OCB mode ⓘ |
| belongsTo | symmetric-key cryptography ⓘ |
| canBeUsedWith | AES block cipher NERFINISHED ⓘ |
| comparedTo | GCM mode in performance analyses ⓘ |
| competesWith |
CCM mode
ⓘ
EAX mode NERFINISHED ⓘ Galois/Counter Mode NERFINISHED ⓘ |
| definedOver | fixed-size blocks ⓘ |
| designedFor |
high efficiency
ⓘ
minimal overhead ⓘ |
| hadImpactOn | standardization debates for authenticated encryption ⓘ |
| hasGoal |
minimal expansion of ciphertext length
ⓘ
simple implementation ⓘ |
| hasProperty |
deterministic given key and nonce
ⓘ
nonce-based ⓘ online mode ⓘ parallelizable ⓘ single-pass design ⓘ |
| hasVersion |
OCB1
NERFINISHED
ⓘ
OCB2 NERFINISHED ⓘ OCB3 NERFINISHED ⓘ |
| introducedIn | early 2000s ⓘ |
| isSuitableFor |
high-throughput applications
ⓘ
network protocols ⓘ storage encryption ⓘ |
| optimizedFor |
low overhead per message
ⓘ
software implementation ⓘ |
| outputs |
authentication tag
ⓘ
ciphertext ⓘ |
| provides |
authenticated encryption
ⓘ
data confidentiality ⓘ data integrity ⓘ |
| requires |
secret key
ⓘ
unique nonce per key ⓘ |
| securityDependsOn | underlying block cipher security ⓘ |
| securityModel | provable security ⓘ |
| standsFor | Offset Codebook ⓘ |
| supports |
associated data
ⓘ
decryption ⓘ encryption ⓘ integrity verification ⓘ |
| uses |
block cipher primitive
ⓘ
offsets derived from block cipher outputs ⓘ |
| wasDesignedBy |
John Black
NERFINISHED
ⓘ
Mihir Bellare NERFINISHED ⓘ Phillip Rogaway NERFINISHED ⓘ |
| wasSubjectOf | patent protection ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.