IGIS Tech Notes describe workflows and techniques for using geospatial science and technologies in research and extension. They are works in progress, and we welcome feedback and comments below.
<p>BN_num_bits_word() returns the number of significant bits in a word. If we take 0x00000432 as an example, it returns 11, not 16, not 32. Basically, except for a zero, it returns ...
<p>CMS_EnvelopedData_create_ex() creates a <b>CMS_ContentInfo</b> structure with a type <b>NID_pkcs7_enveloped</b>. <i>cipher</i> is the symmetric cipher to use. The ...