单选题Which Public Key Cryptographic Standards （PKCS） defines the syntax for encrypted messages andmessages with digital signatures？（）APKCS #7BPKCS #8CPKCS #10DPKCS #12
单选题
Which Public Key Cryptographic Standards （PKCS） defines the syntax for encrypted messages andmessages with digital signatures？（）
A
PKCS #7
B
PKCS #8
C
PKCS #10
D
PKCS #12
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