### Changes between 3.4 and 3.5 [xx XXX xxxx]
+ * Enhanced PKCS#7 inner contents verification.
+ In the PKCS7_verify() function, the BIO *indata parameter refers to the
+ signed data if the content is detached from p7. Otherwise, indata should be
+ NULL, and then the signed data must be in p7.
+
+ The previous OpenSSL implementation only supported MIME inner content
+ [RFC 5652, section 5.2].
+
+ The added functionality now enables support for PKCS#7 inner content
+ [RFC 2315, section 7].
+
+ *Małgorzata Olszówka*
+
* Optionally allow the FIPS provider to use the `JITTER` entropy source.
Note that using this option will require the resulting FIPS provider
to undergo entropy source validation [ESV] by the [CMVP], without this