CryptStringToBinary.md

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Function name : CryptStringToBinary

Group: Cryptography Reference - Library: crypt32

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Converts a formatted string into an array of bytes.

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Code examples:

How to perform Base64 encoding/decoding using Cryptography API Functions

Declaration:

BOOL WINAPI CryptStringToBinary(
	LPCTSTR pszString,
	DWORD cchString,
	DWORD dwFlags,
	BYTE* pbBinary,
	DWORD* pcbBinary,
	DWORD* pdwSkip,
	DWORD* pdwFlags
);
  

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FoxPro declaration:

DECLARE INTEGER CryptStringToBinary IN crypt32;
	STRING @pszString,;
	LONG cchString,;
	LONG dwFlags,;
	STRING @pbBinary,;
	LONG @pcbBinary,;
	LONG pdwSkip,;
	LONG pdwFlags  

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Parameters:

pszString [in] A pointer to a string that contains the formatted string to be converted.

cchString [in] The number of characters of the formatted string to be converted, not including the terminating NULL character. If this parameter is zero, pszString is considered to be a null-terminated string.

dwFlags [in] Indicates the format of the string to be converted.

pbBinary [in] A pointer to a buffer that receives the returned sequence of bytes.

pcbBinary [in, out] A pointer to a DWORD value that, on entry, contains the size, in bytes, of the pbBinary buffer.

pdwSkip [out] A pointer to a DWORD value that receives the number of characters skipped to reach the beginning of the actual base64 or hex strings.

pdwFlags [out] A pointer to a DWORD value that receives the flags actually used in the conversion.

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Return value:

If the function succeeds, the return value is nonzero (TRUE).

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Comments:

Can be used for base64 decoding.

See also: CryptBinaryToString.

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