![]() Openssl dgst -verify pubkey.pem -sha256 -signature tmp_sig.hex tmp_utx. Openssl dgst -sign privkey.pem -sha256 tmp_utx.hex > tmp_sig.hex Openssl dgst -sign privkey.pem -sha256 -hex tmp_utx.hex Openssl ec -in privkey.pem -pubout -out pubkey.pem OUQDQgAEvzUNKCE3UVimCLUePomOUH/kfy0ujHdN5Kmn7ez3TtokJDy5ksVnOgf6 MHQCAQEEIDzQVg9bJ1kZFsZDoLeqadA4OTgKc40ukSmQ3MVzcV0soAcGBSuBBAAK When using OpenSSL to sign, you must also make sure you are signing hex data, and not strings (this is explained in the answer of the link I provided in my comment). I couldn't see how you created your privkey, but the way to go is through the ASN.1 structure, and then base64 it. When I verify your self created privkey, I get this error:Įrror:0D07207B:asn1 encoding routines:ASN1_get_object:header too long Base64 encoding schemes are commonly used when there is a need to encode binary data, especially. Base64 encode your data without hassles or decode it into a human-readable format. What is wrong with the pem format that I'm generating using an existing private key? Meet Base64 Decode and Encode, a simple online tool that does exactly what it says: decodes from Base64 encoding as well as encodes into it quickly and easily. MHcCAQEEINhhp8dYz31X+KWq3u/gutJthvW2puUbB9AOIul/v2SOoAoGCCqGSM49ĪwEHoUQDQgAE0jE7TIszCklw//SGyYW0+z38PUxwfkip9WS4UUn68f7D78D6ZQ/O I'm using the following function: openssl_sign($hash, $signature, $private_key, OPENSSL_ALGO_SHA256).īut when I generate a random private key using SSL, for example: PNBWD1snWRkWxkOgt6pp0Dg5OApzjS6RKZDcxXNxXSw= Converting the private key to a pem format (so SSL can use it), I generate the following base64 string: PNBWD1snWRkWxkOgt6pp0Dg5OApzjS6RKZDcxXNxXSw=. RSACryptoServiceProvider importedProvider = RSAKeys. Signature = "LKeGxl2O8eXzkiYDbB5hO5NEUzde5ggqJPyLTTO2CtOD8ESnEhzm864mCMbhl0yxDccfN1g6r9DeG39g6O8A8Bx8JvHvuPaq8PNFz0jOU0v3CoNw8LKQUfJYzGRNHTQDRKk1kqIn+8+tJfhAbGceHlneCzMuEz6FoIDkwr8IKSxqkJpvKGmv2LRWGyjtpYNZf71B9EjjeCeyRBRmCcD2CKs/A2+tj4mWTxzs/+U9ik2BSR9fnBq0fcPzOCCgxtI9sYxqR650AnZONVHmozUO0M3dzgSfltrFORsVT4QFm0bbdZqDTsQnulfJPSHY3CIV85qA5OD7M6GM6tdLAAVl8A= " NsodcxYx9YWA/2rLlvmLRmpH8plgRe83aHB1RIf5UNXgZWp7rsO7vf58rLFo2CQg OfSSIwJ+M4ngGPdIczKO3hxxJxWXOYvEsMuUzhUPPmi6nF+pv+6X10G9RpJpq2fd OiBHve0p1T/zGEMC9xTFdjIyD3eO0e9IROMZ3mAtbBqEYO6apG1yIoCh9lxPwZ0OĦFyKklpj1vZpw+GjnRMTPjoN/5TgEZ6RAZLYrRoKYS5b0GFMe5gLojTg+2PJ0pwk KVsqOnHYHs+YRiNuw64QIT/YnikCrEIqo3oEeH3Jt641LuplGiUPdQ圓AaqvE2Dw MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA26+x8URoo0U5vk0Cs921 key and signature exported from simple-free-encryption-tool WriteLine( "signature verified: " + Verify( initialProvider, plaintext, signature)) WriteLine( "signature: " + signature) Ĭonsole. String signature = Sign( initialProvider, plaintext) Ĭonsole. WriteLine( "plaintext decrypted to: " + decrypted) String decrypted = Decrypt( initialProvider, encrypted) Ĭonsole. WriteLine( "plaintext encrypted to: " + encrypted) String encrypted = Encrypt( initialProvider, plaintext) Ĭonsole. RSACryptoServiceProvider initialProvider = new RSACryptoServiceProvider( 2048) ![]() String plaintext = "this is my secret message " ![]() / PKCS1 padding is required for most encryption using JavaScript packagesīyte hash = new SHA256CryptoServiceProvider() * Encryption, decryption, signing and signature verification that's compatible with ![]()
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