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Fix bug for upgrading to OpenSSL 3.0. v5.0.189 v6.0.89 (#3827)
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The fix is for the DH_set_length error. As shown in lines 2-5, OpenSSL
3.0 added a check for length, which allowed this issue to be exposed.
```
1 if (dh->params.q == NULL) {
2       /* secret exponent length, must satisfy 2^(l-1) <= p */
3        if (dh->length != 0
4            && dh->length >= BN_num_bits(dh->params.p))
5            goto err;
6        l = dh->length ? dh->length : BN_num_bits(dh->params.p) - 1;
7        if (!BN_priv_rand_ex(priv_key, l, BN_RAND_TOP_ONE,
8                             BN_RAND_BOTTOM_ANY, 0, ctx))
9            goto err;
        ... ...
    }
```


---------

Co-authored-by: john <hondaxiao@tencent.com>
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duiniuluantanqin and xiaozhihong authored Oct 11, 2023
1 parent 40e5962 commit 0649a6d
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2 changes: 2 additions & 0 deletions trunk/doc/CHANGELOG.md
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Expand Up @@ -7,6 +7,7 @@ The changelog for SRS.
<a name="v6-changes"></a>

## SRS 6.0 Changelog
* v6.0, 2023-10-11, Merge [#3827](https://github.com/ossrs/srs/pull/3827): Fix bug for upgrading to OpenSSL 3.0. v6.0.89 (#3827)
* v6.0, 2023-10-10, Merge [#3825](https://github.com/ossrs/srs/pull/3825): SRT: Fix the missing config mss. v6.0.88 (#3825)
* v6.0, 2023-10-08, Merge [#3824](https://github.com/ossrs/srs/pull/3824): Solve the problem of inaccurate HLS TS duration. v6.0.87 (#3824)
* v6.0, 2023-10-08, Merge [#3815](https://github.com/ossrs/srs/pull/3815): Use new cache image name. v6.0.86 (#3815)
Expand Down Expand Up @@ -100,6 +101,7 @@ The changelog for SRS.
<a name="v5-changes"></a>

## SRS 5.0 Changelog
* v5.0, 2023-10-11, Merge [#3827](https://github.com/ossrs/srs/pull/3827): Fix bug for upgrading to OpenSSL 3.0. v5.0.189 (#3827)
* v5.0, 2023-10-10, Merge [#3825](https://github.com/ossrs/srs/pull/3825): SRT: Fix the missing config mss. v5.0.188 (#3825)
* v5.0, 2023-10-08, Merge [#3824](https://github.com/ossrs/srs/pull/3824): Solve the problem of inaccurate HLS TS duration. v5.0.187 (#3824)
* v5.0, 2023-10-08, Merge [#3815](https://github.com/ossrs/srs/pull/3815): Use new cache image name. v5.0.186 (#3815)
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2 changes: 1 addition & 1 deletion trunk/src/core/srs_core_version5.hpp
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Expand Up @@ -9,6 +9,6 @@

#define VERSION_MAJOR 5
#define VERSION_MINOR 0
#define VERSION_REVISION 188
#define VERSION_REVISION 189

#endif
2 changes: 1 addition & 1 deletion trunk/src/core/srs_core_version6.hpp
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Expand Up @@ -9,6 +9,6 @@

#define VERSION_MAJOR 6
#define VERSION_MINOR 0
#define VERSION_REVISION 88
#define VERSION_REVISION 89

#endif
5 changes: 1 addition & 4 deletions trunk/src/protocol/srs_protocol_rtmp_handshake.cpp
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Expand Up @@ -327,10 +327,7 @@ namespace srs_internal
return srs_error_new(ERROR_OpenSslSetG, "set word");
}

// 4. Set the key length
DH_set_length(pdh, bits_count);

// 5. Generate private and public key
// 4. Generate private and public key
// @see ./test/dhtest.c:152
if (!DH_generate_key(pdh)) {
return srs_error_new(ERROR_OpenSslGenerateDHKeys, "dh generate key");
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