Method hex

app/src/main/java/eu/faircode/email/Helper.java:3290–3295

(byte[] bytes)

    }

    static String hex(byte[] bytes) {
        StringBuilder sb = new StringBuilder();
        for (byte b : bytes)
            sb.append(String.format("%02x", b));
        return sb.toString();
    }

    static String getFingerprint(Context context) {
        return getFingerprint(context, "SHA1");