Add additional parameter to dsa_builtin_paramgen to output the generated

[openssl.git] / crypto / dsa / dsa_gen.c

diff --git a/crypto/dsa/dsa_gen.c b/crypto/dsa/dsa_gen.c
index a7d478324e2d8510cb05b0a52a4f0d98d625d462..e6a545201614609706a1cdd604ad9735a709659d 100644 (file)
--- a/crypto/dsa/dsa_gen.c
+++ b/crypto/dsa/dsa_gen.c
@@ -105,12 +105,13 @@ int DSA_generate_parameters_ex(DSA *ret, int bits,
                        }
 
                return dsa_builtin_paramgen(ret, bits, qbits, evpmd,
-                               seed_in, seed_len, counter_ret, h_ret, cb);
+                       seed_in, seed_len, NULL, counter_ret, h_ret, cb);
                }
        }
 
 int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits,
        const EVP_MD *evpmd, const unsigned char *seed_in, size_t seed_len,
+       unsigned char *seed_out,
        int *counter_ret, unsigned long *h_ret, BN_GENCB *cb)
        {
        int ok=0;
@@ -336,6 +337,8 @@ err:
                        }
                if (counter_ret != NULL) *counter_ret=counter;
                if (h_ret != NULL) *h_ret=h;
+               if (seed_out)
+                       memcpy(seed_out, seed, qsize);
                }
        if(ctx)
                {