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Patrick Peng

Shanghai, China

MFKeyAttack: MIFARE Classic Protocols Analyzing && Linear Feedback Shift Register (LFSR) && CRYPTO1 Exploitations

Dismantling MIFARE Classic: Institute for Computing and Information Sciences, Radboud University Nijmegen, The Netherlands Dismantling.MifareDismantling.Mifare.pdf568 KBdownload-circleđź’ˇThis paper describes the reverse engineering of the mifare Classic chip. We do so by recording and studying traces from communication between tags and readers. We recover the encryption algorithm and
09 Jan 2024 8 min read

Hacking a Router: Tenda AC8 V4 Stack Overflow & PoCs

Recently, I found the firmware of Tenda is available to the public, thus I started to seek vulnerabilities in it, mostly focused on buffer overflow & rce. After hours and days of searching, examining, and reproducing; I was finally able to find 7 0day (mostly buffer overflows) from the Tenda
17 Jun 2023 5 min read

Note for Transformer & BERT

BERT * BERT is pretrained with two objectives: masked language modeling and next-sentence prediction * [SEP] [CLS] Intro & Coda * [CLS] classification input label The input embeddings are passed through multiple encoder layers to output some final hidden states. * To use the pretrained model for text classification, add a sequence classification head
17 Jun 2023 1 min read
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