CAST5 definition dubts

[francesco.petruzzi]

I've found in RFC2144

cast5CBC OBJECT IDENTIFIER ::= { algorithms cast5CBC(10) }

    Parameters ::= SEQUENCE {
        iv         OCTET STRING DEFAULT 0,  -- Initialization vector
        keyLength  INTEGER                  -- Key length, in bits
    }

but in EVP_CIPHER_get_asn1_iv when initialize context code seems require
directly an octet stream containing IV and not a sequence.
Why?

Francesco Petruzzi

[EMAIL PROTECTED]


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