learning how security works here !

[todo]

DiversTestsJava/src/main/java/gabywald/crypto/blockchain/StringUtils.java

Lines 63 to 68 in f210ffc

	// TODO learning how security works here !
	/**
	* Applies ECDSA Signature and returns the result ( as bytes ).
	* @param privateKey
	* @param input

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This issue was generated by todo based on a TODO comment in f210ffc when #8 was merged. cc @gabywald.