ImageGear for C and C++ on Windows v19.6 - Updated
enumIGPDFStdSecurityMethod
API Reference Guide > PDF Component API Reference > PDF Component Enumerations Reference > enumIGPDFStdSecurityMethod

Specifies standard security algorithms.

Values:

IG_PDF_STD_SECURITY_METHOD_RC4_V2 2 RC4 algorithm for encryption.
IG_PDF_STD_SECURITY_METHOD_AES_V1 5 AES algorithm for encryption with a zero initialized iv.
IG_PDF_STD_SECURITY_METHOD_AES_V2 6 AES algorithm for encryption with a random initialized iv.
IG_PDF_STD_SECURITY_METHOD_AES_V3 7 AES algorithm for encryption with a 4 byte random iv.