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Security
Security of the key pair
Performing both Diffie-Hellman and MQV does not impact the security of the key pair.
Use of a key pair in both full and one-pass modes (for MQV or DH) does not impact the security of the key pair.
Security of the protected data: ECDH/ECMQV
Recipient may wish to ensure that data is always protected with their chosen algorithm family or mode.
Security of the protected data: ECDSA
Specification of the hash algorithm avoids message substitution attacks using weak hash algorithms
PPT Version