Robust Biometric Key Extraction Based on Iris Cryptosystem

摘要: Biometric cryptosystem can not only provide an efficient mechanism for template protection, but also facilitate cryptographic key management, thus becomes a promising direction in information security field. In this paper, we propose robust extraction approach which consists of concatenated coding scheme and bit masking based on iris database. The that combines Reed-Solomon code convolutional is proposed so much longer keys be extracted from the data, while to minimize randomize errors occur codes, making error pattern more suitable scheme. experiment results show system achieve FRR 0.52% with length 938 bits.