Create an md5 hash for the given buffer.


GML Code Example

buffer_md5(buffer, offset, size);

Argument Description
buffer The index of the buffer to use.
offset The data offset value.
size The size of the buffer.

Returns: String


In cryptography, MD5 (Message-Digest algorithm 5) is a widely used cryptographic hash function with a 128-bit hash value and has been employed in a wide variety of security applications. It is also commonly used to check the integrity of data. This function will take the input data from a given buffer (or part of the buffer) and return the 32-character hexadecimal MD5 hash that is unique to that data. In this way you can generate a secure key which can be stored and used to check the integrity of the information being sent to (or received from) an external server (for example). When applying this to buffers using this function you must specify the buffer id of the buffer to use, then an offset value (in bytes) for where to begin, and then a size (again in bytes) for the region to be hashed.


GML Code Example

check_string = buffer_md5(buff, 0, buffer_get_size(buff));

The above code will create an md5 hash for the full data stored in the buffer indexed by the variable "buff", and store the returned hash in the variable "check_string".

Back: Buffers

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