4a593fb35d
Added support for the CHACHA20 skcipher algorithm. Tested on an eip197c-iesb configuration in the Xilinx VCU118 devboard, passes all testmgr vectors plus the extra fuzzing tests. changes since v1: - rebased on top of DES library changes done on cryptodev/master - fixed crypto/Kconfig so that generic fallback is compiled as well changes since v2: - made switch entry SAFEXCEL_AES explit and added empty default, as requested by Antoine Tenart. Also needed to make SM4 patches apply. changes since v3: - nothing Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>