Drop the size_t change...

crypto/fipsmodule/cipher/cipher.c

@@ -696,21 +696,21 @@ int EVP_CIPHER_nid(const EVP_CIPHER *cipher) {
   return 0;
 }
 
-size_t EVP_CIPHER_block_size(const EVP_CIPHER *cipher) {
+unsigned EVP_CIPHER_block_size(const EVP_CIPHER *cipher) {
   if (cipher != NULL) {
     return cipher->block_size;
   }
   return 0;
 }
 
-size_t EVP_CIPHER_key_length(const EVP_CIPHER *cipher) {
+unsigned EVP_CIPHER_key_length(const EVP_CIPHER *cipher) {
   if (cipher != NULL) {
     return cipher->key_len;
   }
   return 0;
 }
 
-size_t EVP_CIPHER_iv_length(const EVP_CIPHER *cipher) {
+unsigned EVP_CIPHER_iv_length(const EVP_CIPHER *cipher) {
   if (cipher != NULL) {
     return cipher->iv_len;
   }

include/openssl/cipher.h

@@ -258,15 +258,15 @@ OPENSSL_EXPORT int EVP_CIPHER_CTX_encrypting(const EVP_CIPHER_CTX *ctx);
 // EVP_CIPHER_CTX_block_size returns the block size, in bytes, of the cipher
 // underlying |ctx|, or one if the cipher is a stream cipher. It will crash if
 // no cipher has been configured.
-OPENSSL_EXPORT size_t EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
+OPENSSL_EXPORT unsigned EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
 
 // EVP_CIPHER_CTX_key_length returns the key size, in bytes, of the cipher
 // underlying |ctx| or zero if no cipher has been configured.
-OPENSSL_EXPORT size_t EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
+OPENSSL_EXPORT unsigned EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
 
 // EVP_CIPHER_CTX_iv_length returns the IV size, in bytes, of the cipher
 // underlying |ctx|. It will crash if no cipher has been configured.
-OPENSSL_EXPORT size_t EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
+OPENSSL_EXPORT unsigned EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
 
 // EVP_CIPHER_CTX_get_app_data returns the opaque, application data pointer for
 // |ctx|, or NULL if none has been set.