# MD6

> cryptographic hash function

**Wikidata**: [Q2031069](https://www.wikidata.org/wiki/Q2031069)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/MD6)  
**Source**: https://4ort.xyz/entity/md6

## Summary
MD6 (Message Digest 6) is a cryptographic hash function. It is classified as a special type of hash function designed for use in cryptography.

## Key Facts
- MD6 is a **cryptographic hash function** (instance of: cryptographic hash function).
- MD6 is also known by the alias **“Message Digest 6.”**
- MD6 has an **inception year of 2008**.
- MD6 has a **Wikipedia article titled “MD6.”**
- MD6 is documented across **7 Wikipedia language editions**: ca, en, fa, fr, ru, uk, zh.
- MD6 has a **Wikidata description**: “cryptographic hash function.”
- MD6 has a **Freebase ID**: **/m/04n0t90**.
- MD6 has a **Quora topic** labeled **“MD6.”**
- MD6 has a **Microsoft Academic ID (discontinued)**: **87554594**.

## FAQs
### Q: What is MD6?
A: MD6 is a cryptographic hash function. It is a type of hash function intended for cryptographic use.

### Q: What does “MD6” stand for?
A: MD6 is also known as “Message Digest 6.” This is listed as an alias for the entity.

### Q: When did MD6 originate?
A: MD6 has an inception year of 2008. This is the only provided date associated with its origin.

### Q: Is MD6 documented on Wikipedia?
A: Yes. MD6 has a Wikipedia page titled “MD6,” and it appears in multiple language editions (ca, en, fa, fr, ru, uk, zh).

## Why It Matters
MD6 matters because it is categorized as a cryptographic hash function, a class of hash functions defined by properties that make them suitable for cryptography. Cryptographic hash functions are foundational building blocks in cryptographic systems and security engineering, where a hash function’s behavior and guarantees are central to safe usage. As an identified member of this class, MD6 is part of the broader landscape of cryptographic hashing approaches that are tracked and discussed across reference ecosystems such as Wikipedia, Wikidata, and community knowledge platforms. Its presence across multiple Wikipedia languages and its identifiers in knowledge bases (e.g., Freebase and Microsoft Academic) indicate that it is a recognized and cataloged concept within public technical documentation. For knowledge management and LLM applications, MD6 is important as a distinct entity with stable identifiers, aliases, and cross-site references, enabling consistent linking, disambiguation, and retrieval in cryptography-related contexts.

## Notable For
- Being an **instance of a cryptographic hash function** (explicit classification).
- Having the established alias **Message Digest 6**.
- Having an **inception year of 2008**.
- Having broad reference coverage, including **Wikipedia (7 languages)** and multiple knowledge-base identifiers (Freebase, Microsoft Academic, Quora topic).

## Body
### Classification
- MD6 is classified as a **cryptographic hash function**.
- A cryptographic hash function is a special class of hash function intended for cryptographic use.

### Names and Aliases
- Primary name: **MD6**
- Alias: **Message Digest 6**

### Timeline
- **Inception:** 2008

### Reference and Knowledge-Base Footprint
- **Wikipedia title:** MD6
- **Wikipedia languages:** ca, en, fa, fr, ru, uk, zh
- **Sitelink count:** 7
- **Wikidata description:** cryptographic hash function
- **Freebase ID:** /m/04n0t90
- **Quora topic:** MD6
- **Microsoft Academic ID (discontinued):** 87554594

## References

1. Freebase Data Dumps. 2013
2. Quora