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48 lines
1.9 KiB
48 lines
1.9 KiB
diff --git a/crypto/evp/ctrl_params_translate.c b/crypto/evp/ctrl_params_translate.c
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index 448a3c3043c1c..9010fa6c4638c 100644
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--- a/crypto/evp/ctrl_params_translate.c
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+++ b/crypto/evp/ctrl_params_translate.c
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@@ -1134,6 +1134,7 @@ static int fix_ec_paramgen_curve_nid(enum state state,
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const struct translation_st *translation,
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struct translation_ctx_st *ctx)
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{
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+ char *p2 = NULL;
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int ret;
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if ((ret = default_check(state, translation, ctx)) <= 0)
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@@ -1146,13 +1147,25 @@ static int fix_ec_paramgen_curve_nid(enum state state,
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if (state == PRE_CTRL_TO_PARAMS) {
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ctx->p2 = (char *)OBJ_nid2sn(ctx->p1);
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ctx->p1 = 0;
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+ } else if (state == PRE_PARAMS_TO_CTRL) {
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+ /*
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+ * We're translating from params to ctrl and setting the curve name.
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+ * The ctrl function needs it to be a NID, but meanwhile, we need
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+ * space to get the curve name from the param. |ctx->name_buf| is
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+ * sufficient for that.
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+ * The double indirection is necessary for default_fixup_args()'s
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+ * call of OSSL_PARAM_get_utf8_string() to be done correctly.
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+ */
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+ p2 = ctx->name_buf;
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+ ctx->p2 = &p2;
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+ ctx->sz = sizeof(ctx->name_buf);
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}
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if ((ret = default_fixup_args(state, translation, ctx)) <= 0)
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return ret;
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if (state == PRE_PARAMS_TO_CTRL) {
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- ctx->p1 = OBJ_sn2nid(ctx->p2);
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+ ctx->p1 = OBJ_sn2nid(p2);
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ctx->p2 = NULL;
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}
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@@ -2789,6 +2802,7 @@ static int evp_pkey_ctx_setget_params_to_ctrl(EVP_PKEY_CTX *pctx,
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if (translation->fixup_args != NULL)
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fixup = translation->fixup_args;
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ctx.action_type = translation->action_type;
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+ ctx.ctrl_cmd = translation->ctrl_num;
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}
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ctx.pctx = pctx;
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ctx.params = params;
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