rs_hasher_ctx

rs_hasher_ctx is used at run time in 20 crates.

Depender (with downloads and own rev deps)			rs_hasher_ctx version
950	3	rs_sha1		0.1.*
900	4	rs_sha3_512		0.1.*
900	3	rs_sha3_256		0.1.*
900	3	rs_sha3_384		0.1.*
		rs_ssl		0.1.*
	2	rs_sha256		0.1.*
	2	rs_sha512		0.1.*
		rs_shield		0.1.*
	2	rs_hmac		0.1.*
	2	rs_aes		0.1.*
	2	rs_keccak_nbits		0.1.*
	2	rs_sha224		0.1.*
	2	rs_sha384		0.1.*
	2	rs_sha3_224		0.1.*
	2	rs_sha512_224		0.1.*
	2	rs_sha512_256		0.1.*
	2	rs_shake128		0.1.*
	2	rs_shake256		0.1.*