Hash
HOW TO HASH USING SHA256
Step 1
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String stringToHash = amount=100&callbackUrl=https://checkout.seerbit.com/?m=EQREZEhyRn&country=NG¤cy=NGN&email=[email protected].com&paymentReference=5fgj77treo&productDescription=RiceandBeans&productId=Foods&publicKey=EQREZEhyR
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Step 2
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String hashString = stringToHash + privateKey;
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Step 3
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Hash = Sha256(hashString);
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Hash Algorithm in Java
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public static String Sha256(String rawKey) throws ProcessingException {
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try {
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MessageDigest md = MessageDigest.getInstance("SHA-256");
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byte[] encrypted = md.digest(rawKey.getBytes());
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return new String(Hex.encodeHex(encrypted));
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} catch (NoSuchAlgorithmException ex) {
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String errorMessage = "Unable to hash this string";
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throw new ProcessingException(errorMessage);
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}
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}
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Last modified 2yr ago
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