SHA-0
E434686
SHA-0 is an early, now-obsolete cryptographic hash function in the Secure Hash Algorithm family, known for its structural weaknesses and subsequent replacement by SHA-1.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SHA-0 canonical | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Secure Hash Algorithm
ⓘ
cryptographic hash function ⓘ hash function ⓘ |
| alsoKnownAs | SHA NERFINISHED ⓘ |
| basedOn | MD4 design principles ⓘ |
| belongsToCategory |
NIST cryptographic standards
NERFINISHED
ⓘ
broken hash functions ⓘ |
| blockSize | 512 bits ⓘ |
| collisionComplexityReported |
2^61
ⓘ
significantly less than brute force 2^80 ⓘ |
| collisionResistance | broken ⓘ |
| definedOver | binary strings of arbitrary length ⓘ |
| designDifferenceFrom |
SHA-1
ⓘ
SHA-1 message schedule rotation change ⓘ |
| designFlaw | message schedule omission of one bitwise rotation ⓘ |
| developedBy | National Security Agency NERFINISHED ⓘ |
| field |
cryptography
ⓘ
information security ⓘ |
| hasInitialValue | fixed 160-bit IV ⓘ |
| hasVulnerability |
collision attacks
ⓘ
differential cryptanalysis ⓘ |
| influenced |
cryptanalysis of SHA-1
ⓘ
design of later SHA-2 family ⓘ |
| introducedByStandard | FIPS 180: Secure Hash Standard NERFINISHED ⓘ |
| notRecommendedFor | new cryptographic applications ⓘ |
| operatesOn | 512-bit message blocks ⓘ |
| outputSize | 160 bits ⓘ |
| paddingMethod | MD-strengthening style padding ⓘ |
| partOf | SHA family ⓘ |
| preimageResistance | weakened ⓘ |
| producesDigest | 160-bit message digest ⓘ |
| publicationYear | 1993 ⓘ |
| publishedInStandard | FIPS 180 NERFINISHED ⓘ |
| replacedBy | SHA-1 NERFINISHED ⓘ |
| roundFunctionCount | 80 rounds ⓘ |
| securityLevelIntended | 80-bit collision resistance ⓘ |
| standardizedBy | NIST NERFINISHED ⓘ |
| standardRegion | United States NERFINISHED ⓘ |
| status |
broken
ⓘ
obsolete ⓘ |
| successor | SHA-1 NERFINISHED ⓘ |
| usedFor |
digital signatures (historically)
ⓘ
message integrity (historically) ⓘ |
| usesConstruction | Merkle–Damgård construction NERFINISHED ⓘ |
| withdrawnByStandard | FIPS 180-1 NERFINISHED ⓘ |
| wordSize | 32 bits ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.