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user 82705
AES (Advanced Encryption Standard) is a symmetrical block-cipher algorithm with a 128-bit block size, and key sizes of 128, 192 or 256 bits.
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AES vs RSA - Which is stronger given two scenarios?
Though AES is more secure than RSA in same bit size, AES is symmetrical encryption.
That's why SSL certificate can't use AES, but must be asymmetrical ones, e.g. RSA or ECDSA. … AES is used in SSL data session, i.e. SSL negotiation is basically to define AES key to be used by data session.
Anyway, RSA is going away. ECDSA can provide stronger encryption at much less bits. …
