api.c: z and ret no longer only when !NO_ASN_TIME.
benchmark.c: rsaKey array type has changed and unusual code path needsed
updating.
cmac.c: Zeroization test failed when checkSz was zero as called function
didn't zero out cmac. checkSz is invalid.
test.c: rsaCaCertDerFile used even when NO_ASN_TIME.
test.h: --enable-sp-math only supports DH of 2048 bits and above. Change
default DH parameters to be 2048 bits.
d1b16f2c7b