PhotoRec have return files less than Foremost, but PhotoRec has a higher percentage of valid files than Foremost. The result of this research shown with table that PhotoRec has a higher performance than Foremost. The process of file validation uses hash algorithm SHA1 to make sure the similarity between original and return files. This research was conducted to know and to compare performance of carving process from PhotoRec and Foremost based on three parameters, which are the number of return files, file validation, and the rate of process. File carving techniques could be performed using carving tools, such as PhotoRec and Foremost. The problem of data loss could be solved by using file carving techniques, for example. One common problem of digital storage device is data loss. Rapid development of computer followed by development of digital storage device.
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