14.3 Buffer description

To help hashing non-contiguous areas of memory a general purpose data type is defined:

Data type: gcry_buffer_t

This type is a structure to describe a buffer. The user should make sure that this structure is initialized to zero. The available fields of this structure are:

.size

This is either 0 for no information available or indicates the allocated length of the buffer.

.off

This is the offset into the buffer.

.len

This is the valid length of the buffer starting at .off.

.data

This is the address of the buffer.

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