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-rw-r--r--lib/crypto/doc/src/crypto.xml14
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/crypto/doc/src/crypto.xml b/lib/crypto/doc/src/crypto.xml
index 4dcd6fc4ea..3e533158c8 100644
--- a/lib/crypto/doc/src/crypto.xml
+++ b/lib/crypto/doc/src/crypto.xml
@@ -115,6 +115,12 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]>
> <input>info_lib().</input>
[{&lt;&lt;"OpenSSL"&gt;&gt;,9469983,&lt;&lt;"OpenSSL 0.9.8a 11 Oct 2005"&gt;&gt;}]
</pre>
+ <note><p>
+ From OTP R16 the <em>numeric version</em> represents the version of the OpenSSL
+ <em>header files</em> (<c>openssl/opensslv.h</c>) used when crypto was compiled.
+ The text variant represents the OpenSSL library used at runtime.
+ In earlier OTP versions both numeric and text was taken from the library.
+ </p></note>
</desc>
</func>
<func>
@@ -265,6 +271,8 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]>
</type>
<desc>
<p>Computes a message digest of type <c>Type</c> from <c>Data</c>.</p>
+ <p>May throw exception <c>notsup</c> in case the chosen <c>Type</c>
+ is not supported by the underlying OpenSSL implementation.</p>
</desc>
</func>
<func>
@@ -277,6 +285,8 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]>
<p>Initializes the context for streaming hash operations. <c>Type</c> determines
which digest to use. The returned context should be used as argument
to <seealso marker="#hash_update/2">hash_update</seealso>.</p>
+ <p>May throw exception <c>notsup</c> in case the chosen <c>Type</c>
+ is not supported by the underlying OpenSSL implementation.</p>
</desc>
</func>
<func>
@@ -548,6 +558,8 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]>
keys, and <c>IVec</c> is an arbitrary initializing
vector. The lengths of each of <c>Key1</c>, <c>Key2</c>,
<c>Key3</c> and <c>IVec</c> must be 64 bits (8 bytes).</p>
+ <p>May throw exception <c>notsup</c> for old OpenSSL
+ versions (0.9.7) that does not support this encryption mode.</p>
</desc>
</func>
<func>
@@ -565,6 +577,8 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]>
and <c>IVec</c> must have the same values as those used when
encrypting. The lengths of <c>Key1</c>, <c>Key2</c>,
<c>Key3</c>, and <c>IVec</c> must be 64 bits (8 bytes).</p>
+ <p>May throw exception <c>notsup</c> for old OpenSSL
+ versions (0.9.7) that does not support this encryption mode.</p>
</desc>
</func>