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Add a comment to explain the purpose of bn_cmp_part_words().

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This commit is contained in:
Richard Levitte 2000-12-02 21:16:13 +00:00
parent b26f84cbbd
commit c21c35e6a4
1 changed files with 7 additions and 0 deletions
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7
crypto/bn/bn_lib.c
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@ -778,6 +778,13 @@ int bn_cmp_words(const BN_ULONG *a, const BN_ULONG *b, int n)
return(0); 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 bn_cmp_part_words(const BN_ULONG *a, const BN_ULONG *b,
int cl, int dl) int cl, int dl)
{ {