Mercurial > hg > octave-lojdl > gnulib-hg
changeset 2878:53969d50efee
Give credit (GnuPG) where due.
(M): Use rol rather than open-coding it.
Add a FIXME comment.
| author | Jim Meyering <jim@meyering.net> |
|---|---|
| date | Sun, 24 Sep 2000 23:59:39 +0000 |
| parents | ae0c0b393b0f |
| children | b9de4fb7b460 |
| files | lib/sha.c |
| diffstat | 1 files changed, 4 insertions(+), 2 deletions(-) [+] |
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--- a/lib/sha.c +++ b/lib/sha.c @@ -241,7 +241,8 @@ #define F4(B,C,D) (B ^ C ^ D) /* Process LEN bytes of BUFFER, accumulating context into CTX. - It is assumed that LEN % 64 == 0. */ + It is assumed that LEN % 64 == 0. + Most of this code comes from GnuPG's cipher/sha1.c. */ void sha_process_block (const void *buffer, size_t len, struct sha_ctx *ctx) @@ -265,7 +266,7 @@ #define M(I) ( tm = x[I&0x0f] ^ x[(I-14)&0x0f] \ ^ x[(I-8)&0x0f] ^ x[(I-3)&0x0f] \ - , (x[I&0x0f] = (tm << 1) | (tm >> 31)) ) + , (x[I&0x0f] = rol(tm, 1)) ) #define R(A,B,C,D,E,F,K,M) do { E += rol( A, 5 ) \ + F( B, C, D ) \ @@ -278,6 +279,7 @@ { md5_uint32 tm; int t; + /* FIXME: see sha1.c for a better implementation. */ for (t = 0; t < 16; t++) { x[t] = NOTSWAP (*words);