Remove now unused IMPLEMENT_BLOCK_CIPHER macro.

Also remove various comments noting that it cannot be used for certain
block ciphers (which kinda defeats the purpose of having a generic
implementation in the first place).

4 files changed, 4 insertions, 19 deletions

diff --git a/src/lib/libcrypto/evp/e_des.c b/src/lib/libcrypto/evp/e_des.c
index ad91720ff1..118e59695f 100644
--- a/src/lib/libcrypto/evp/e_des.c
+++ b/src/lib/libcrypto/evp/e_des.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: e_des.c,v 1.14 2015/10/12 06:05:52 guenther Exp $ */
+/* $OpenBSD: e_des.c,v 1.15 2022/09/03 20:12:24 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -72,8 +72,6 @@ static int des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
     const unsigned char *iv, int enc);
 static int des_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);
 
-/* Because of various casts and different names can't use IMPLEMENT_BLOCK_CIPHER */
-
 static int
 des_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
     const unsigned char *in, size_t inl)
diff --git a/src/lib/libcrypto/evp/e_des3.c b/src/lib/libcrypto/evp/e_des3.c
index 0138839763..cc01c69b5e 100644
--- a/src/lib/libcrypto/evp/e_des3.c
+++ b/src/lib/libcrypto/evp/e_des3.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: e_des3.c,v 1.20 2019/05/14 15:40:44 beck Exp $ */
+/* $OpenBSD: e_des3.c,v 1.21 2022/09/03 20:12:24 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -85,8 +85,6 @@ typedef struct {
 
 #define data(ctx) ((DES_EDE_KEY *)(ctx)->cipher_data)
 
-/* Because of various casts and different args can't use IMPLEMENT_BLOCK_CIPHER */
-
 static int
 des_ede_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
     const unsigned char *in, size_t inl)
diff --git a/src/lib/libcrypto/evp/e_idea.c b/src/lib/libcrypto/evp/e_idea.c
index 454ad4e672..b2240b3043 100644
--- a/src/lib/libcrypto/evp/e_idea.c
+++ b/src/lib/libcrypto/evp/e_idea.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: e_idea.c,v 1.10 2015/09/10 15:56:25 jsing Exp $ */
+/* $OpenBSD: e_idea.c,v 1.11 2022/09/03 20:12:24 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -85,8 +85,6 @@ idea_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
         return 1;
 }
 
-/* Can't use IMPLEMENT_BLOCK_CIPHER because idea_ecb_encrypt is different */
-
 typedef struct {
         IDEA_KEY_SCHEDULE ks;
 } EVP_IDEA_KEY;
diff --git a/src/lib/libcrypto/evp/evp_locl.h b/src/lib/libcrypto/evp/evp_locl.h
index 43e0ac333d..c5ff49d2b2 100644
--- a/src/lib/libcrypto/evp/evp_locl.h
+++ b/src/lib/libcrypto/evp/evp_locl.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: evp_locl.h,v 1.23 2022/05/05 08:42:27 tb Exp $ */
+/* $OpenBSD: evp_locl.h,v 1.24 2022/09/03 20:12:24 jsing Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2000.
  */
@@ -371,15 +371,6 @@ static const EVP_CIPHER cname##_ecb = {\
 const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }
 */
 
-#define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \
-                               block_size, key_len, iv_len, cbits, \
-                               flags, init_key, \
-                               cleanup, set_asn1, get_asn1, ctrl) \
-        BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
-        BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \
-                          cbits, flags, init_key, cleanup, set_asn1, \
-                          get_asn1, ctrl)
-
 #define EVP_C_DATA(kstruct, ctx)        ((kstruct *)(ctx)->cipher_data)
 
 #define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len) \