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| author | Ori Bernstein <ori@eigenstate.org> | 2014-06-03 18:29:52 -0400 |
|---|---|---|
| committer | Ori Bernstein <ori@eigenstate.org> | 2015-08-24 22:10:06 -0700 |
| commit | 22e01c4fafb7adc6a88370d5ec918a15038cd761 (patch) | |
| tree | 05d88619723a0a0e381696f27915ec04175f31f8 | |
| parent | b081295621b7bbd528416f900d7cb60632bc1b02 (diff) | |
| download | mc-22e01c4fafb7adc6a88370d5ec918a15038cd761.tar.gz | |
Split out sha256 tail function.
| -rw-r--r-- | libcryptohash/sha256.myr | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/libcryptohash/sha256.myr b/libcryptohash/sha256.myr index 62c4bc6..bad28b4 100644 --- a/libcryptohash/sha256.myr +++ b/libcryptohash/sha256.myr @@ -65,6 +65,21 @@ const sha256add = {st, data 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 @@ const sha256fin = {st 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 |