Set NIDs for Blowfish and CAST.

I hadn't thought that we still had the NIDs for these, but it appears
that we do. In which case, might as well set them.

Change-Id: I0d459ecacda95298c7ef345b73639cc02c74914f
Reviewed-on: https://boringssl-review.googlesource.com/c/34045
Commit-Queue: Adam Langley <agl@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>

decrepit/blowfish/blowfish.c

@@ -593,7 +593,7 @@ static int bf_cfb_cipher(EVP_CIPHER_CTX *ctx, uint8_t *out, const uint8_t *in,
 }
 
 static const EVP_CIPHER bf_ecb = {
-    NID_undef,           BF_BLOCK /* block_size */,
+    NID_bf_ecb,          BF_BLOCK /* block_size */,
     16 /* key_size */,   BF_BLOCK /* iv_len */,
     sizeof(BF_KEY),      EVP_CIPH_ECB_MODE | EVP_CIPH_VARIABLE_LENGTH,
     NULL /* app_data */, bf_init_key,
@@ -602,7 +602,7 @@ static const EVP_CIPHER bf_ecb = {
 };
 
 static const EVP_CIPHER bf_cbc = {
-    NID_undef,           BF_BLOCK /* block_size */,
+    NID_bf_cbc,          BF_BLOCK /* block_size */,
     16 /* key_size */,   BF_BLOCK /* iv_len */,
     sizeof(BF_KEY),      EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH,
     NULL /* app_data */, bf_init_key,
@@ -611,7 +611,7 @@ static const EVP_CIPHER bf_cbc = {
 };
 
 static const EVP_CIPHER bf_cfb = {
-    NID_undef,           1 /* block_size */,
+    NID_bf_cfb64,        1 /* block_size */,
     16 /* key_size */,   BF_BLOCK /* iv_len */,
     sizeof(BF_KEY),      EVP_CIPH_CFB_MODE | EVP_CIPH_VARIABLE_LENGTH,
     NULL /* app_data */, bf_init_key,

decrepit/cast/cast.c

@@ -442,7 +442,7 @@ static int cast_cbc_cipher(EVP_CIPHER_CTX *ctx, uint8_t *out, const uint8_t *in,
 }
 
 static const EVP_CIPHER cast5_ecb = {
-    NID_undef,           CAST_BLOCK,
+    NID_cast5_ecb,       CAST_BLOCK,
     CAST_KEY_LENGTH,     CAST_BLOCK /* iv_len */,
     sizeof(CAST_KEY),    EVP_CIPH_ECB_MODE | EVP_CIPH_VARIABLE_LENGTH,
     NULL /* app_data */, cast_init_key,
@@ -451,7 +451,7 @@ static const EVP_CIPHER cast5_ecb = {
 };
 
 static const EVP_CIPHER cast5_cbc = {
-    NID_undef,           CAST_BLOCK,
+    NID_cast5_cbc,       CAST_BLOCK,
     CAST_KEY_LENGTH,     CAST_BLOCK /* iv_len */,
     sizeof(CAST_KEY),    EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH,
     NULL /* app_data */, cast_init_key,