Fix block_size field for CFB and OFB modes: it should be 1.

CHANGES

@@ -243,6 +243,12 @@ TODO: bug: pad  x  with leading zeros if necessary
  
  Changes between 0.9.6g and 0.9.7  [XX xxx 2002]
 
+  *) The "block size" for block ciphers in CFB and OFB mode should be 1.
+     [Steve Henson, reported by Yngve Nysaeter Pettersen <yngve@opera.com>]
+
+  *) The "block size" for block ciphers in CFB and OFB mode should be 1.
+     [Steve Henson]
+
   *) Make sure tests can be performed even if the corresponding algorithms
      have been removed entirely.  This was also the last step to make
      OpenSSL compilable with DJGPP under all reasonable conditions.

crypto/evp/evp_locl.h

@@ -124,17 +124,17 @@ const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; }
 BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \
 		  iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
 
-#define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, block_size, key_len, \
+#define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \
 			     iv_len, cbits, flags, init_key, cleanup, \
 			     set_asn1, get_asn1, ctrl) \
-BLOCK_CIPHER_def1(cname, cfb##cbits, cfb, CFB, kstruct, nid, block_size, \
+BLOCK_CIPHER_def1(cname, cfb##cbits, cfb, CFB, kstruct, nid, 1, \
 		  key_len, iv_len, flags, init_key, cleanup, set_asn1, \
 		  get_asn1, ctrl)
 
-#define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, block_size, key_len, \
+#define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \
 			     iv_len, cbits, flags, init_key, cleanup, \
 			     set_asn1, get_asn1, ctrl) \
-BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, block_size, \
+BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \
 		  key_len, iv_len, flags, init_key, cleanup, set_asn1, \
 		  get_asn1, ctrl)
 
@@ -149,9 +149,9 @@ BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \
 			  init_key, cleanup, set_asn1, get_asn1, ctrl) \
 BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \
 		     init_key, cleanup, set_asn1, get_asn1, ctrl) \
-BLOCK_CIPHER_def_cfb(cname, kstruct, nid, block_size, key_len, iv_len, cbits, \
+BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \
 		     flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
-BLOCK_CIPHER_def_ofb(cname, kstruct, nid, block_size, key_len, iv_len, cbits, \
+BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \
 		     flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
 BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, iv_len, flags, \
 		     init_key, cleanup, set_asn1, get_asn1, ctrl)