how to use (RSA ECB PKCS1Padding) in android - Stack Overflow Apparently that's different on Android from PKCS#1 padding (assuming that you still use the original list of providers, of course) One stupid thing in Java is that you cannot programmatically find out which defaults are used; getAlgorithm() ususally just returns the string you've provided earlier
(Android™) Generate RSA Key and Export to PKCS1 PKCS8 - Example Code Android™ example code showing how to generate an RSA public private key and save to PKCS1 and PKCS8 format files In a PKCS1 or PKCS8 formatted file, the key is stored in binary ASN 1 format (and ASN 1 is itself written according to DER -- Distinguished Encoding Rules)
Generating RSA keys in Android in PKCS#1 format in Android I'm trying to generate an RSA public key in the form of PKCS#1 in Android There is almost an exact duplicate of this question here: Generating RSA keys in PKCS#1 format in Java The author never responded with an answer though I went through the answers, but I haven't been able to find something that works
RSA encryption example for android · GitHub case "pkcs1-pem": String pkcs1pem = "-----BEGIN RSA PUBLIC KEY-----\n"; pkcs1pem += Base64 encodeToString(publicKey getEncoded(), Base64 DEFAULT); pkcs1pem += "-----END RSA PUBLIC KEY-----"; return pkcs1pem; case "pkcs8-pem": String pkcs8pem = "-----BEGIN PUBLIC KEY-----\n"; pkcs8pem += Base64 encodeToString(publicKey getEncoded(), Base64 DEFAULT);