Stop casting a size_t to a long and then passing it as a size_t.

These cipher implementations take a size_t length argument, so stop
casting it to a long.

Found by Coverity.

ok tb@

1 files changed, 6 insertions, 6 deletions

diff --git a/src/lib/libcrypto/evp/e_sm4.c b/src/lib/libcrypto/evp/e_sm4.c
index c4bbe567c5..4fecae9671 100644
--- a/src/lib/libcrypto/evp/e_sm4.c
+++ b/src/lib/libcrypto/evp/e_sm4.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: e_sm4.c,v 1.4 2022/09/04 15:56:51 jsing Exp $ */
+/*      $OpenBSD: e_sm4.c,v 1.5 2022/09/06 06:17:11 jsing Exp $ */
 /*
  * Copyright (c) 2017, 2019 Ribose Inc
  *
@@ -78,14 +78,14 @@ static int
 sm4_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)
 {
         while (inl >= EVP_MAXCHUNK) {
-                sm4_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &((EVP_SM4_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
+                sm4_cbc_encrypt(in, out, EVP_MAXCHUNK, &((EVP_SM4_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
                 inl -= EVP_MAXCHUNK;
                 in += EVP_MAXCHUNK;
                 out += EVP_MAXCHUNK;
         }
 
         if (inl)
-                sm4_cbc_encrypt(in, out, (long)inl, &((EVP_SM4_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
+                sm4_cbc_encrypt(in, out, inl, &((EVP_SM4_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
 
         return 1;
 }
@@ -99,7 +99,7 @@ sm4_cfb128_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *
                 chunk = inl;
 
         while (inl && inl >= chunk) {
-                sm4_cfb128_encrypt(in, out, (long)inl, &((EVP_SM4_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num, ctx->encrypt);
+                sm4_cfb128_encrypt(in, out, inl, &((EVP_SM4_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num, ctx->encrypt);
                 inl -= chunk;
                 in += chunk;
                 out += chunk;
@@ -132,14 +132,14 @@ static int
 sm4_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)
 {
         while (inl >= EVP_MAXCHUNK) {
-                sm4_ofb128_encrypt(in, out, (long)EVP_MAXCHUNK, &((EVP_SM4_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
+                sm4_ofb128_encrypt(in, out, EVP_MAXCHUNK, &((EVP_SM4_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
                 inl -= EVP_MAXCHUNK;
                 in += EVP_MAXCHUNK;
                 out += EVP_MAXCHUNK;
         }
 
         if (inl)
-                sm4_ofb128_encrypt(in, out, (long)inl, &((EVP_SM4_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
+                sm4_ofb128_encrypt(in, out, inl, &((EVP_SM4_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
 
         return 1;
 }