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-rw-r--r--crypto/evp/p_lib.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/crypto/evp/p_lib.c b/crypto/evp/p_lib.c
index c0171244d5d0..545d04fd7744 100644
--- a/crypto/evp/p_lib.c
+++ b/crypto/evp/p_lib.c
@@ -130,6 +130,14 @@ int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_MISSING_PARAMETERS);
goto err;
}
+
+ if (!EVP_PKEY_missing_parameters(to)) {
+ if (EVP_PKEY_cmp_parameters(to, from) == 1)
+ return 1;
+ EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_PARAMETERS);
+ return 0;
+ }
+
if (from->ameth && from->ameth->param_copy)
return from->ameth->param_copy(to, from);
err: