Posts tagged: Microsoft Office

Testing of MS Office password recovery programs with GPU support

Password recovery software developers actively introduce general purpose computations on GPU (GPGPU) into their products. Today I will test three products, which already have support of NVIDIA and/or ATI cards for password recovery of Microsoft Office files. Read more »

Encryption evolution in Microsoft Office

In the conclusion of my article ‘On cryptosystems untrustworthiness’, written in 1998, I specified that the using the strong cryptography in application is gradually changing for the better. Lets consider evolution of cryptographic capabilities used by the one of the most popular applications for personal computers – MS Office, šespecially because recently Microsoft has officially opened specifications of this software, including encryption algorithms used. Here below I will speak only about passwords for file opening, because when using any other passwords (read-only access etc.) the text of the document is not encrypted and that is why they can be easily bypassed. Read more »

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