'First ever' SHA-1 hash collision calculated. All it took were five clever brains... and 6,610 years of processor time

Google researchers and academics have today demonstrated it is possible – following years of number crunching – to produce two different documents that have the same SHA-1 hash signature. This proves what we've long suspected: that SHA-1 is weak and can't be trusted. This is bad news because the SHA-1 hashing algorithm is used …

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