62b07d8806
This commit adds functions to encrypt and decrypt data using AES in SIV mode, as described in RFC 5297. This was added in the process of porting chrony to wolfSSL. chrony is an NTP implementation that can use NTS (network time security), which requires AES-SIV.
The wolfSSL manual is available at: http://www.wolfssl.com/documentation/wolfSSL-Manual.pdf The wolfSSL API guide is available at: https://www.wolfssl.com/doxygen/wolfssl_API.html The wolfCrypt API guide is available at: https://www.wolfssl.com/doxygen/wolfcrypt_API.html