From c4b13a96e99bc2609c26a2af8ec517662c553afb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se> Date: Wed, 5 Oct 2005 16:57:00 +0200 Subject: [PATCH] Comment fixes. Rev: src/nettle/sha256.c:1.4 --- sha256.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sha256.c b/sha256.c index 619cb721..fa32971b 100644 --- a/sha256.c +++ b/sha256.c @@ -1,6 +1,8 @@ /* sha256.h * * The sha256 hash function. + * + * See http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf */ /* nettle, low-level cryptographics library @@ -86,7 +88,7 @@ K[64] = 64-word expanded input array W, where the first 16 are copies of the input data, and the remaining 64 are defined by - W[ t ] = s1(W[t-2] + W[t-7] + s0(W[i-15] + W[i-16] + W[ t ] = s1(W[t-2]) + W[t-7] + s0(W[i-15]) + W[i-16] This implementation generates these values on the fly in a circular buffer - thanks to Colin Plumb, colin@nyx10.cs.du.edu for this -- GitLab