shithub: mc

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Split out sha256 tail function.

--- a/libcryptohash/sha256.myr

+++ b/libcryptohash/sha256.myr

@@ -65,6 +65,21 @@

 const sha256fin = {st

 	var r : byte[32]

+

+	tail(st)

+

+	pack(r[0:4], st.a)

+	pack(r[4:8], st.b)

+	pack(r[8:12], st.c)

+	pack(r[12:16], st.d)

+	pack(r[16:20], st.e)

+	pack(r[20:24], st.f)

+	pack(r[24:28], st.g)

+	pack(r[28:32], st.h)

+	-> r

+}

+

+const tail = {st

 	var ntail

 	/* append first padding block */

@@ -86,16 +101,6 @@

 	st.tail[62] = ((st.msglen * 8) >> 8)	castto(byte)

 	st.tail[63] = ((st.msglen * 8) >> 0)	castto(byte)

 	step(st, st.tail[:])

-

-	pack(r[0:4], st.a)

-	pack(r[4:8], st.b)

-	pack(r[8:12], st.c)

-	pack(r[12:16], st.d)

-	pack(r[16:20], st.e)

-	pack(r[20:24], st.f)

-	pack(r[24:28], st.g)

-	pack(r[28:32], st.h)

-	-> r

 }

 const step = {st, msg