Move bn_blind.c to rsa_blinding.c

discussed with jsing

Author: tb

src/lib/libcrypto/Makefile

@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.153 2023/07/29 06:46:20 tb Exp $
+# $OpenBSD: Makefile,v 1.154 2023/08/09 09:23:03 tb Exp $
 
 LIB=	crypto
 LIBREBUILD=y
@@ -168,7 +168,6 @@ SRCS+= bss_sock.c
 
 # bn/
 SRCS+= bn_add.c
-SRCS+= bn_blind.c
 SRCS+= bn_bpsw.c
 SRCS+= bn_const.c
 SRCS+= bn_convert.c
@@ -534,6 +533,7 @@ SRCS+= ripemd.c
 # rsa/
 SRCS+= rsa_ameth.c
 SRCS+= rsa_asn1.c
+SRCS+= rsa_blinding.c
 SRCS+= rsa_chk.c
 SRCS+= rsa_crpt.c
 SRCS+= rsa_eay.c

src/lib/libcrypto/bn/bn_local.h

@@ -1,4 +1,4 @@
-/* $OpenBSD: bn_local.h,v 1.37 2023/08/09 09:20:00 tb Exp $ */
+/* $OpenBSD: bn_local.h,v 1.38 2023/08/09 09:23:03 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -292,14 +292,6 @@ int	BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
 int	BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,
     BN_RECP_CTX *recp, BN_CTX *ctx);
 
-BN_BLINDING *BN_BLINDING_new(const BIGNUM *e, const BIGNUM *mod, BN_CTX *ctx,
-    int (*bn_mod_exp)(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-    const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx), BN_MONT_CTX *m_ctx);
-void BN_BLINDING_free(BN_BLINDING *b);
-int BN_BLINDING_convert(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *);
-int BN_BLINDING_invert(BIGNUM *n, const BIGNUM *r, BN_BLINDING *b, BN_CTX *);
-CRYPTO_THREADID *BN_BLINDING_thread_id(BN_BLINDING *);
-
 /* Explicitly const time / non-const time versions for internal use */
 int BN_mod_exp_ct(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
     const BIGNUM *m, BN_CTX *ctx);

src/lib/libcrypto/bn/bn_blind.c renamed to src/lib/libcrypto/rsa/rsa_blinding.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: bn_blind.c,v 1.43 2023/08/09 09:20:00 tb Exp $ */
+/* $OpenBSD: rsa_blinding.c,v 1.1 2023/08/09 09:23:03 tb Exp $ */
 /* ====================================================================
  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  *
@@ -114,8 +114,10 @@
 #include <openssl/opensslconf.h>
 
 #include <openssl/err.h>
+#include <openssl/rsa.h>
 
 #include "bn_local.h"
+#include "rsa_local.h"
 
 #define BN_BLINDING_COUNTER	32
 

src/lib/libcrypto/rsa/rsa_local.h

@@ -1,4 +1,4 @@
-/* $OpenBSD: rsa_local.h,v 1.4 2023/07/28 10:05:16 tb Exp $ */
+/* $OpenBSD: rsa_local.h,v 1.5 2023/08/09 09:23:03 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -153,6 +153,13 @@ int RSA_padding_check_X931(unsigned char *to, int tlen,
     const unsigned char *f, int fl, int rsa_len);
 int RSA_X931_hash_id(int nid);
 
+BN_BLINDING *BN_BLINDING_new(const BIGNUM *e, const BIGNUM *mod, BN_CTX *ctx,
+    int (*bn_mod_exp)(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+    const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx), BN_MONT_CTX *m_ctx);
+void BN_BLINDING_free(BN_BLINDING *b);
+int BN_BLINDING_convert(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *);
+int BN_BLINDING_invert(BIGNUM *n, const BIGNUM *r, BN_BLINDING *b, BN_CTX *);
+CRYPTO_THREADID *BN_BLINDING_thread_id(BN_BLINDING *);
 BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx);
 
 __END_HIDDEN_DECLS