Partially document the ASN1 template stuff, and its use for i2d/d2i and PEM I/O. Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
PEM_read(), PEM_read_bio(), PEM_get_EVP_CIPHER_INFO() and PEM_do_header(). Reviewed-by: Dr. Stephen Henson <steve@openssl.org>