单选题Birthday attacks are used against which of the following？（）A digital signaturesB symmetric cipheringC hashalgoritmsD asymmetric cipheringE digital certificates
单选题
Birthday attacks are used against which of the following？（）
A
digital signatures
B
symmetric ciphering
C
hashalgoritms
D
asymmetric ciphering
E
digital certificates
参考解析
解析：
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