Options de validations générales

X509_PURPOSE_SSL_CLIENT (entier)

X509_PURPOSE_SSL_SERVER (entier)

X509_PURPOSE_NS_SSL_SERVER (entier)

X509_PURPOSE_SMIME_SIGN (entier)

X509_PURPOSE_SMIME_ENCRYPT (entier)

X509_PURPOSE_CRL_SIGN (entier)

X509_PURPOSE_ANY (entier)