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-rw-r--r--lib/crypto/c_src/crypto.c11
-rw-r--r--lib/crypto/doc/src/crypto.xml6
2 files changed, 16 insertions, 1 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c
index f789aaada0..72c9e5b8e8 100644
--- a/lib/crypto/c_src/crypto.c
+++ b/lib/crypto/c_src/crypto.c
@@ -536,12 +536,21 @@ static ERL_NIF_TERM info_lib(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]
const char* ver = SSLeay_version(SSLEAY_VERSION);
unsigned ver_sz = strlen(ver);
ERL_NIF_TERM name_term, ver_term;
+ int ver_num = OPENSSL_VERSION_NUMBER;
+ /* R16:
+ * Ignore library version number from SSLeay() and instead show header
+ * version. Otherwise user might try to call a function that is implemented
+ * by a newer library but not supported by the headers used at compile time.
+ * Example: DES_ede3_cfb_encrypt in 0.9.7i but not in 0.9.7d.
+ *
+ * Version string is still from library though.
+ */
memcpy(enif_make_new_binary(env, name_sz, &name_term), libname, name_sz);
memcpy(enif_make_new_binary(env, ver_sz, &ver_term), ver, ver_sz);
return enif_make_list1(env, enif_make_tuple3(env, name_term,
- enif_make_int(env, SSLeay()),
+ enif_make_int(env, ver_num),
ver_term));
}
diff --git a/lib/crypto/doc/src/crypto.xml b/lib/crypto/doc/src/crypto.xml
index 433c02b733..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>