From c21c35e6a43d0798e29ad85e8c54fa6de45c12d7 Mon Sep 17 00:00:00 2001 From: Richard Levitte Date: Sat, 2 Dec 2000 21:16:13 +0000 Subject: [PATCH] Add a comment to explain the purpose of bn_cmp_part_words(). --- crypto/bn/bn_lib.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/crypto/bn/bn_lib.c b/crypto/bn/bn_lib.c index 658a49176..050e02bd3 100644 --- a/crypto/bn/bn_lib.c +++ b/crypto/bn/bn_lib.c @@ -778,6 +778,13 @@ int bn_cmp_words(const BN_ULONG *a, const BN_ULONG *b, int n) return(0); } +/* Here follows a specialised variants of bn_cmp_words(). It has the + property of performing the operation on arrays of different sizes. + The sizes of those arrays is expressed through cl, which is the + common length ( basicall, min(len(a),len(b)) ), and dl, which is the + delta between the two lengths, calculated as len(a)-len(b). + All lengths are the number of BN_ULONGs... */ + int bn_cmp_part_words(const BN_ULONG *a, const BN_ULONG *b, int cl, int dl) {