RSA padding changed to PKCS1 OAEP for compatibility with other languages

leventkaragol · Jul 2, 2024 · b62becb · b62becb
1 parent 0fa5136
commit b62becb
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Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/examples/main.cpp b/examples/main.cpp
@@ -89,7 +89,7 @@ void encryptWithRSA()
 
 void decryptWithRSA()
 {
-    auto encryptedText = "RVq6qJqexZGmxQtnCEwgIJqj7rxcAdnlQUqQ+qwWzc0y/VlX/EJ+/HuuMPrFbvDcgJnfVDz7WE2pHcJWR0lLR++UWxzLT8PRqBCpI0fX7ymqsaPCn2w/Q826FplfzlIpt0LZdkrkaSa/V/HMcQOPJ4JONuWxNaUpggA0KKOHdkH8A2RcpSnc4NskwPt84b9TU/mEwHlvyIzpvSF3/AiaGbSH5wEIe5iniBBhE7bUlkadvGu6jv8wiGqSeD/fWzZM7gbwmlxqxSzKFIJOpNwxya5+h7mHNGMmmZVVfGunrm6P0l7Qfz/cGf7Rca2SOgFosBWCr7NpjjM/AaK4PYVZwg==";
+    auto encryptedText = "dHKwJR4tepg8XwuUo9Kr1hFN3BjMVo9AAxGMCFpLHjvRJRwUojnH0vexouobLlG4hfWo/c4/61Q31/RfayascjdDJHFtPL7TjQHsMO+tg/cMCqHhmvXoUi9lmZs576PP3jibOe5g+YnU6FuGnnkgY3oljFQG50wdUM0lOrsV+zcucqE8G6APpjuqrJo1lvfcIVt2q6l99UF6RijkhX1IMifBjZIC13p0qLaaYfvT2KTOPZ2UWqTrQa2kSfsVJCdXK0aYfyrspRbs2eY1H5SW+0GV1YLtVNDQVg4djfSRaXEX+Ym/WtonNsXQyxbYZmINDaTzutb1KYq8upAI67Ax2g==";
 
     auto privateKey = "-----BEGIN PRIVATE KEY-----\n"
         "MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQDAgBJHSAjCLOC/\n"

diff --git a/src/libcpp-crypto.hpp b/src/libcpp-crypto.hpp
@@ -1,7 +1,7 @@
 /*
 
 Easy-to-use, symmetric (AES-256) and asymmetric (RSA) encryption and also hash (SHA-256) library for C++ (17+)
-version 1.3.0
+version 1.3.1
 https://github.com/leventkaragol/libcpp-crypto
 
 If you encounter any issues, please submit a ticket at https://github.com/leventkaragol/libcpp-crypto/issues
@@ -614,6 +614,11 @@ namespace lklibs
                 throw CryptoException("Failed to initialize encryption operation");
             }
 
+            if (EVP_PKEY_CTX_set_rsa_padding(ctx.get(), RSA_PKCS1_OAEP_PADDING) <= 0)
+            {
+                throw CryptoException("Failed to set RSA padding");
+            }
+
             size_t outlen;
 
             if (EVP_PKEY_encrypt(ctx.get(), nullptr, &outlen, reinterpret_cast<const unsigned char*>(plaintext.data()), plaintext.size()) <= 0)
@@ -671,6 +676,11 @@ namespace lklibs
                 throw CryptoException("Failed to initialize decryption operation");
             }
 
+            if (EVP_PKEY_CTX_set_rsa_padding(ctx.get(), RSA_PKCS1_OAEP_PADDING) <= 0)
+            {
+                throw CryptoException("Failed to set RSA padding");
+            }
+
             size_t outlen;
 
             if (EVP_PKEY_decrypt(ctx.get(), nullptr, &outlen, reinterpret_cast<const unsigned char*>(encryptedText.data()), encryptedText.size()) <= 0)