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Diffstat (limited to 'lib/libcrypto/bn/bn_mont.c')
-rw-r--r--lib/libcrypto/bn/bn_mont.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/libcrypto/bn/bn_mont.c b/lib/libcrypto/bn/bn_mont.c
index 4f2d4548cc4..cd75a1ec138 100644
--- a/lib/libcrypto/bn/bn_mont.c
+++ b/lib/libcrypto/bn/bn_mont.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bn_mont.c,v 1.37 2023/02/13 04:25:37 jsing Exp $ */
+/* $OpenBSD: bn_mont.c,v 1.38 2023/02/19 13:27:49 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -123,6 +123,18 @@
#define MONT_WORD /* use the faster word-based algorithm */
+/* Used for montgomery multiplication */
+struct bn_mont_ctx_st {
+ int ri; /* number of bits in R */
+ BIGNUM RR; /* used to convert to montgomery form */
+ BIGNUM N; /* The modulus */
+ BIGNUM Ni; /* R*(1/R mod N) - N*Ni = 1
+ * (Ni is only stored for bignum algorithm) */
+ BN_ULONG n0[2];/* least significant word(s) of Ni;
+ (type changed with 0.9.9, was "BN_ULONG n0;" before) */
+ int flags;
+};
+
BN_MONT_CTX *
BN_MONT_CTX_new(void)
{