# Peter Gutmann

> New Zealand computer scientist

**Wikidata**: [Q2392717](https://www.wikidata.org/wiki/Q2392717)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Peter_Gutmann_(computer_scientist))  
**Source**: https://4ort.xyz/entity/peter-gutmann

## Summary
Peter Gutmann is a New Zealand computer scientist and cryptographer recognized for his contributions to cryptographic security architecture. He is best known for developing the "Gutmann method," a technique for securely erasing data from hard drives. Based at the University of Auckland, where he earned his PhD, his work focuses on the design and verification of security systems.

## Biography
- Born: 1953
- Nationality: New Zealand
- Education: Doctor of Philosophy (PhD), University of Auckland (2000)
- Thesis: *The Design and Verification of a Cryptographic Security Architecture*
- Doctoral Advisor: Peter McAulay Fenwick
- Employer(s): University of Auckland
- Field(s): Computer Science, Cryptography
- Known for: Cryptographic security architecture, data erasure methods

## Contributions
Peter Gutmann's most widely cited contribution is the "Gutmann method," a specific approach to securely wiping data from magnetic hard drives by overwriting them with a specific pattern of pass sequences. This method was detailed in a 1996 paper titled "Secure Deletion of Data from Magnetic and Solid-State Memory."

In addition to data erasure, Gutmann has made significant contributions to cryptographic security architecture. His doctoral thesis, titled *The Design and Verification of a Cryptographic Security Architecture*, was completed at the University of Auckland in 2000 under the supervision of Peter McAulay Fenwick. This academic work reflects his broader expertise in the design of secure systems.

Gutmann is also active in the development of open-source tools. He maintains `dumpasn1`, a utility for decoding and viewing ASN.1 (Abstract Syntax Notation One) encoded data, which is listed as a MacPorts port. His research and tools are widely referenced in academic and industry circles regarding data privacy and security implementation.

## FAQs
### Q: What is Peter Gutmann best known for?
Peter Gutmann is best known for creating the "Gutmann method," an algorithm for securely erasing the contents of computer hard drives.

### Q: Where did Peter Gutmann receive his education?
He received his Doctor of Philosophy degree from the University of Auckland in New Zealand in the year 2000.

### Q: What is Peter Gutmann's area of professional expertise?
He is a computer scientist and cryptographer specializing in the design and verification of cryptographic security architectures.

## Why They Matter
Peter Gutmann is a pivotal figure in the field of data security and cryptography due to his practical and theoretical contributions to secure data handling. His development of the "Gutmann method" set a standard for data sanitization, addressing critical privacy concerns in the pre-SSD era of computing. This work remains a benchmark for secure deletion protocols and is frequently cited in discussions of digital forensics and data privacy.

His academic work, particularly his thesis on the design and verification of cryptographic security architecture, has contributed to the theoretical framework used to build secure computing systems. By bridging theoretical cryptography with practical applications—such as his `dumpasn1` tool for decoding complex data structures—Gutmann has provided essential resources for security professionals. His long-standing affiliation with the University of Auckland highlights his role in educating and influencing the next generation of computer scientists in New Zealand and globally.

## Notable For
- **Creator of the Gutmann Method:** Developed a seminal technique for securely erasing data from hard drives.
- **Academic Authority:** Author of the doctoral thesis *The Design and Verification of a Cryptographic Security Architecture* (2000).
- **Open-Source Contributor:** Developer of `dumpasn1`, a widely used tool for decoding ASN.1 data.
- **New Zealand Cryptographer:** A prominent computer scientist based at the University of Auckland.

## Body
### Academic Career and Education
Peter Gutmann is a computer scientist and cryptographer affiliated with the University of Auckland in New Zealand. He completed his Doctor of Philosophy (PhD) in 2000. His doctoral research focused on *The Design and Verification of a Cryptographic Security Architecture*. His academic work was supervised by Peter McAulay Fenwick, a fellow computer scientist at the University of Auckland.

### The Gutmann Method
Gutmann's most prominent contribution to the field of computer security is the "Gutmann method." This technique involves overwriting data on a magnetic hard drive using a specific series of 35 passes designed to thoroughly obscure the original data. While modern storage technologies like SSDs require different approaches, the method remains a foundational concept in data sanitization.

### Tools and Development
Gutmann maintains `dumpasn1`, a command-line utility used for displaying and decoding ASN.1 structures. This tool is available through software repositories such as MacPorts, demonstrating his active involvement in providing practical utilities for the cryptographic community.

### Identifiers and Recognition
He holds several standardized author and researcher identifiers, including:
- **ISNI:** 0000000419588561
- **VIAF ID:** 16065262
- **DBLP Author ID:** 55/5501
- **ACM Digital Library Author ID:** 81100225165

His personal and professional website is hosted by the University of Auckland's Department of Computer Science, reflecting his ongoing association with the institution.

## References

1. The Design and Verification of a Cryptographic Security Architecture
2. [Source](http://hdl.handle.net/2292/2310)
3. Virtual International Authority File
4. Freebase Data Dumps. 2013