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move MD2Transform first.

This commit is contained in:
christos 2024-01-26 21:34:01 +00:00
parent 7690962a14
commit b756f940a7
1 changed files with 26 additions and 25 deletions
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51
lib/libc/hash/md2/md2.c
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@ -1,4 +1,4 @@
/* $NetBSD: md2.c,v 1.8 2024/01/20 14:52:47 christos Exp $ */
/* $NetBSD: md2.c,v 1.9 2024/01/26 21:34:01 christos Exp $ */
/*
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -31,7 +31,7 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: md2.c,v 1.8 2024/01/20 14:52:47 christos Exp $");
__RCSID("$NetBSD: md2.c,v 1.9 2024/01/26 21:34:01 christos Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
@ -103,6 +103,30 @@ __weak_alias(MD2Final,_MD2Final)
__weak_alias(MD2Transform,_MD2Transform)
#endif
/*
* XXX This should not be visible, but due to an accident, it is
* XXX so it must remain so.
*/
/*static*/ void
MD2Transform(MD2_CTX *context)
{
uint32_t l, j, k, t;
/* set block "3" and update "checksum" */
for (l = context->C[15], j = 0; j < 16; j++) {
context->X[32 + j] = context->X[j] ^ context->X[16 + j];
l = context->C[j] ^= S[context->X[16 + j] ^ l];
}
/* mangle input block */
for (t = j = 0; j < 18; t = (t + j) % 256, j++)
for (k = 0; k < 48; k++)
t = context->X[k] = (context->X[k] ^ S[t]);
/* reset input pointer */
context->i = 16;
}
void
MD2Init(MD2_CTX *context)
{
@ -155,28 +179,5 @@ MD2Final(unsigned char digest[16], MD2_CTX *context)
MD2Init(context);
}
/*
* XXX This should not be visible, but due to an accident, it is
* XXX so it must remain so.
*/
/*static*/ void
MD2Transform(MD2_CTX *context)
{
uint32_t l, j, k, t;
/* set block "3" and update "checksum" */
for (l = context->C[15], j = 0; j < 16; j++) {
context->X[32 + j] = context->X[j] ^ context->X[16 + j];
l = context->C[j] ^= S[context->X[16 + j] ^ l];
}
/* mangle input block */
for (t = j = 0; j < 18; t = (t + j) % 256, j++)
for (k = 0; k < 48; k++)
t = context->X[k] = (context->X[k] ^ S[t]);
/* reset input pointer */
context->i = 16;
}
#endif /* !HAVE_MD2_H */