diff --git a/include/openssl/cipher.h b/include/openssl/cipher.h
index 09d72ec..2458847 100644
--- a/include/openssl/cipher.h
+++ b/include/openssl/cipher.h
@@ -201,7 +201,7 @@
 //
 // WARNING: it is unsafe to call this function with unauthenticated
 // ciphertext if padding is enabled.
-OPENSSL_EXPORT int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out,
+OPENSSL_EXPORT int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, uint8_t *out,
                                        int *out_len);
 
 // EVP_Cipher performs a one-shot encryption/decryption operation. No partial
@@ -408,6 +408,18 @@
                                    const EVP_CIPHER *cipher, const uint8_t *key,
                                    const uint8_t *iv);
 
+// EVP_CipherFinal calls |EVP_CipherFinal_ex|.
+OPENSSL_EXPORT int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, uint8_t *out,
+                                   int *out_len);
+
+// EVP_EncryptFinal calls |EVP_EncryptFinal_ex|.
+OPENSSL_EXPORT int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, uint8_t *out,
+                                    int *out_len);
+
+// EVP_DecryptFinal calls |EVP_DecryptFinal_ex|.
+OPENSSL_EXPORT int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, uint8_t *out,
+                                    int *out_len);
+
 // EVP_add_cipher_alias does nothing and returns one.
 OPENSSL_EXPORT int EVP_add_cipher_alias(const char *a, const char *b);