8c3e1dbf48
Add implementation of SRTP KDF and SRTCP KDF. One shot APIs compatible with SP 800-135 and ACVP testing. Tests added to test.c. Benchmarking added. Doxygen added.
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