Thursday, February 23, 2017

Google Online Security Blog - Announcing the first SHA1 collision

Uh oh!

Here's an excerpt:

Here are some numbers that give a sense of how large scale this computation was:

  • Nine quintillion (9,223,372,036,854,775,808) SHA1 computations in total
  • 6,500 years of CPU computation to complete the attack first phase
  • 110 years of GPU computation to complete the second phase

Announcing the first SHA1 collision

Google Online Security Blog:

'via Blog this'

Friday, February 3, 2017


Plan to Win  

For older developers...[i]n this industry, especially for individual contributor roles, the key is to double down on sharpness. Do this with over-preparation for interviews, over-familiarity with the latest frameworks and tools used by the company, over-researching the company and its products, over-crafting compelling anecdotes for behavioral interview questions, and over-cultivating physical and mental vitality through exercise and meditation.
Krishnan Rangachari is a career coach for software engineers. Visit for his free career masterclass. Visit for his résumé reinventions.