4 files changed, 5 insertions, 5 deletions
diff --git a/ext/openssl/ossl_hmac.c b/ext/openssl/ossl_hmac.c
index d9a425e334..4c6bf77fda 100644
--- a/ext/openssl/ossl_hmac.c
+++ b/ext/openssl/ossl_hmac.c
@@ -159,7 +159,7 @@ ossl_hmac_hexdigest(VALUE self)
 
     GetHMAC(self, ctx);
     hmac_final(ctx, &buf, &buf_len);
-    if (string2hex(buf, buf_len, &hexbuf, NULL) != 2 * buf_len) {
+    if (string2hex(buf, buf_len, &hexbuf, NULL) != 2 * (int)buf_len) {
 	OPENSSL_free(buf);
 	ossl_raise(eHMACError, "Memory alloc error");
     }
@@ -222,7 +222,7 @@ ossl_hmac_s_hexdigest(VALUE klass, VALUE digest, VALUE key, VALUE data)
 
     buf = HMAC(GetDigestPtr(digest), RSTRING_PTR(key), RSTRING_LEN(key),
 	       (unsigned char *)RSTRING_PTR(data), RSTRING_LEN(data), NULL, &buf_len);
-    if (string2hex(buf, buf_len, &hexbuf, NULL) != 2 * buf_len) {
+    if (string2hex(buf, buf_len, &hexbuf, NULL) != 2 * (int)buf_len) {
 	ossl_raise(eHMACError, "Cannot convert buf to hexbuf");
     }
     hexdigest = ossl_buf2str(hexbuf, 2 * buf_len);
diff --git a/ext/openssl/ossl_pkcs7.c b/ext/openssl/ossl_pkcs7.c
index 68494c2e0b..9842d4e941 100644
--- a/ext/openssl/ossl_pkcs7.c
+++ b/ext/openssl/ossl_pkcs7.c
@@ -61,7 +61,7 @@
     GetPKCS7ri(obj, p7ri); \
 } while (0)
 
-#define numberof(ary) (sizeof(ary)/sizeof(ary[0]))
+#define numberof(ary) (int)(sizeof(ary)/sizeof(ary[0]))
 
 #define ossl_pkcs7_set_data(o,v)       rb_iv_set((o), "@data", (v))
 #define ossl_pkcs7_get_data(o)         rb_iv_get((o), "@data")
diff --git a/ext/openssl/ossl_pkey_ec.c b/ext/openssl/ossl_pkey_ec.c
index df23fba3af..8ba51d992d 100644
--- a/ext/openssl/ossl_pkey_ec.c
+++ b/ext/openssl/ossl_pkey_ec.c
@@ -1107,7 +1107,7 @@ static VALUE ossl_ec_group_set_seed(VALUE self, VALUE seed)
     Require_EC_GROUP(self, group);
     StringValue(seed);
 
-    if (EC_GROUP_set_seed(group, (unsigned char *)RSTRING_PTR(seed), RSTRING_LEN(seed)) != RSTRING_LEN(seed))
+    if (EC_GROUP_set_seed(group, (unsigned char *)RSTRING_PTR(seed), RSTRING_LEN(seed)) != (size_t)RSTRING_LEN(seed))
         ossl_raise(eEC_GROUP, "EC_GROUP_set_seed");
 
     return seed;
diff --git a/ext/openssl/ossl_ssl_session.c b/ext/openssl/ossl_ssl_session.c
index 8bc250282a..0d4f39cb02 100644
--- a/ext/openssl/ossl_ssl_session.c
+++ b/ext/openssl/ossl_ssl_session.c
@@ -205,7 +205,7 @@ static VALUE ossl_ssl_session_to_der(VALUE self)
 
 	if (len <= 0)
 		ossl_raise(eSSLSession, "i2d_SSL_SESSION");
-	else if (len >= sizeof(buf))
+	else if (len >= (int)sizeof(buf))
 		ossl_raise(eSSLSession, "i2d_SSL_SESSION too large");
 
 	return rb_str_new((const char *) p, len);