aboutsummaryrefslogtreecommitdiff
path: root/crypto/openssl/providers/implementations/signature/sm2_sig.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/openssl/providers/implementations/signature/sm2_sig.c')
-rw-r--r--crypto/openssl/providers/implementations/signature/sm2_sig.c585
1 files changed, 585 insertions, 0 deletions
diff --git a/crypto/openssl/providers/implementations/signature/sm2_sig.c b/crypto/openssl/providers/implementations/signature/sm2_sig.c
new file mode 100644
index 000000000000..bcbbd1e24503
--- /dev/null
+++ b/crypto/openssl/providers/implementations/signature/sm2_sig.c
@@ -0,0 +1,585 @@
+/*
+ * Copyright 2020-2024 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+/*
+ * ECDSA low level APIs are deprecated for public use, but still ok for
+ * internal use - SM2 implementation uses ECDSA_size() function.
+ */
+#include "internal/deprecated.h"
+
+#include <string.h> /* memcpy */
+#include <openssl/crypto.h>
+#include <openssl/core_dispatch.h>
+#include <openssl/core_names.h>
+#include <openssl/dsa.h>
+#include <openssl/params.h>
+#include <openssl/evp.h>
+#include <openssl/err.h>
+#include <openssl/proverr.h>
+#include "internal/nelem.h"
+#include "internal/sizes.h"
+#include "internal/cryptlib.h"
+#include "internal/sm3.h"
+#include "prov/implementations.h"
+#include "prov/providercommon.h"
+#include "prov/provider_ctx.h"
+#include "crypto/ec.h"
+#include "crypto/sm2.h"
+#include "prov/der_sm2.h"
+
+static OSSL_FUNC_signature_newctx_fn sm2sig_newctx;
+static OSSL_FUNC_signature_sign_init_fn sm2sig_signature_init;
+static OSSL_FUNC_signature_verify_init_fn sm2sig_signature_init;
+static OSSL_FUNC_signature_sign_fn sm2sig_sign;
+static OSSL_FUNC_signature_verify_fn sm2sig_verify;
+static OSSL_FUNC_signature_digest_sign_init_fn sm2sig_digest_signverify_init;
+static OSSL_FUNC_signature_digest_sign_update_fn sm2sig_digest_signverify_update;
+static OSSL_FUNC_signature_digest_sign_final_fn sm2sig_digest_sign_final;
+static OSSL_FUNC_signature_digest_verify_init_fn sm2sig_digest_signverify_init;
+static OSSL_FUNC_signature_digest_verify_update_fn sm2sig_digest_signverify_update;
+static OSSL_FUNC_signature_digest_verify_final_fn sm2sig_digest_verify_final;
+static OSSL_FUNC_signature_freectx_fn sm2sig_freectx;
+static OSSL_FUNC_signature_dupctx_fn sm2sig_dupctx;
+static OSSL_FUNC_signature_get_ctx_params_fn sm2sig_get_ctx_params;
+static OSSL_FUNC_signature_gettable_ctx_params_fn sm2sig_gettable_ctx_params;
+static OSSL_FUNC_signature_set_ctx_params_fn sm2sig_set_ctx_params;
+static OSSL_FUNC_signature_settable_ctx_params_fn sm2sig_settable_ctx_params;
+static OSSL_FUNC_signature_get_ctx_md_params_fn sm2sig_get_ctx_md_params;
+static OSSL_FUNC_signature_gettable_ctx_md_params_fn sm2sig_gettable_ctx_md_params;
+static OSSL_FUNC_signature_set_ctx_md_params_fn sm2sig_set_ctx_md_params;
+static OSSL_FUNC_signature_settable_ctx_md_params_fn sm2sig_settable_ctx_md_params;
+
+/*
+ * What's passed as an actual key is defined by the KEYMGMT interface.
+ * We happen to know that our KEYMGMT simply passes EC structures, so
+ * we use that here too.
+ */
+typedef struct {
+ OSSL_LIB_CTX *libctx;
+ char *propq;
+ EC_KEY *ec;
+
+ /*
+ * Flag to determine if the 'z' digest needs to be computed and fed to the
+ * hash function.
+ * This flag should be set on initialization and the computation should
+ * be performed only once, on first update.
+ */
+ unsigned int flag_compute_z_digest : 1;
+
+ char mdname[OSSL_MAX_NAME_SIZE];
+
+ /* The Algorithm Identifier of the combined signature algorithm */
+ unsigned char aid_buf[OSSL_MAX_ALGORITHM_ID_SIZE];
+ size_t aid_len;
+
+ /* main digest */
+ EVP_MD *md;
+ EVP_MD_CTX *mdctx;
+ size_t mdsize;
+
+ /* SM2 ID used for calculating the Z value */
+ unsigned char *id;
+ size_t id_len;
+} PROV_SM2_CTX;
+
+static int sm2sig_set_mdname(PROV_SM2_CTX *psm2ctx, const char *mdname)
+{
+ if (psm2ctx->md == NULL) /* We need an SM3 md to compare with */
+ psm2ctx->md = EVP_MD_fetch(psm2ctx->libctx, psm2ctx->mdname,
+ psm2ctx->propq);
+ if (psm2ctx->md == NULL)
+ return 0;
+
+ /* XOF digests don't work */
+ if (EVP_MD_xof(psm2ctx->md)) {
+ ERR_raise(ERR_LIB_PROV, PROV_R_XOF_DIGESTS_NOT_ALLOWED);
+ return 0;
+ }
+
+ if (mdname == NULL)
+ return 1;
+
+ if (strlen(mdname) >= sizeof(psm2ctx->mdname)
+ || !EVP_MD_is_a(psm2ctx->md, mdname)) {
+ ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_DIGEST, "digest=%s",
+ mdname);
+ return 0;
+ }
+
+ OPENSSL_strlcpy(psm2ctx->mdname, mdname, sizeof(psm2ctx->mdname));
+ return 1;
+}
+
+static void *sm2sig_newctx(void *provctx, const char *propq)
+{
+ PROV_SM2_CTX *ctx = OPENSSL_zalloc(sizeof(PROV_SM2_CTX));
+
+ if (ctx == NULL)
+ return NULL;
+
+ ctx->libctx = PROV_LIBCTX_OF(provctx);
+ if (propq != NULL && (ctx->propq = OPENSSL_strdup(propq)) == NULL) {
+ OPENSSL_free(ctx);
+ return NULL;
+ }
+ ctx->mdsize = SM3_DIGEST_LENGTH;
+ strcpy(ctx->mdname, OSSL_DIGEST_NAME_SM3);
+ return ctx;
+}
+
+static int sm2sig_signature_init(void *vpsm2ctx, void *ec,
+ const OSSL_PARAM params[])
+{
+ PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;
+
+ if (!ossl_prov_is_running()
+ || psm2ctx == NULL)
+ return 0;
+
+ if (ec == NULL && psm2ctx->ec == NULL) {
+ ERR_raise(ERR_LIB_PROV, PROV_R_NO_KEY_SET);
+ return 0;
+ }
+
+ if (ec != NULL) {
+ if (!EC_KEY_up_ref(ec))
+ return 0;
+ EC_KEY_free(psm2ctx->ec);
+ psm2ctx->ec = ec;
+ }
+
+ return sm2sig_set_ctx_params(psm2ctx, params);
+}
+
+static int sm2sig_sign(void *vpsm2ctx, unsigned char *sig, size_t *siglen,
+ size_t sigsize, const unsigned char *tbs, size_t tbslen)
+{
+ PROV_SM2_CTX *ctx = (PROV_SM2_CTX *)vpsm2ctx;
+ int ret;
+ unsigned int sltmp;
+ /* SM2 uses ECDSA_size as well */
+ size_t ecsize = ECDSA_size(ctx->ec);
+
+ if (sig == NULL) {
+ *siglen = ecsize;
+ return 1;
+ }
+
+ if (sigsize < (size_t)ecsize)
+ return 0;
+
+ if (ctx->mdsize != 0 && tbslen != ctx->mdsize)
+ return 0;
+
+ ret = ossl_sm2_internal_sign(tbs, tbslen, sig, &sltmp, ctx->ec);
+ if (ret <= 0)
+ return 0;
+
+ *siglen = sltmp;
+ return 1;
+}
+
+static int sm2sig_verify(void *vpsm2ctx, const unsigned char *sig, size_t siglen,
+ const unsigned char *tbs, size_t tbslen)
+{
+ PROV_SM2_CTX *ctx = (PROV_SM2_CTX *)vpsm2ctx;
+
+ if (ctx->mdsize != 0 && tbslen != ctx->mdsize)
+ return 0;
+
+ return ossl_sm2_internal_verify(tbs, tbslen, sig, siglen, ctx->ec);
+}
+
+static void free_md(PROV_SM2_CTX *ctx)
+{
+ EVP_MD_CTX_free(ctx->mdctx);
+ EVP_MD_free(ctx->md);
+ ctx->mdctx = NULL;
+ ctx->md = NULL;
+}
+
+static int sm2sig_digest_signverify_init(void *vpsm2ctx, const char *mdname,
+ void *ec, const OSSL_PARAM params[])
+{
+ PROV_SM2_CTX *ctx = (PROV_SM2_CTX *)vpsm2ctx;
+ int md_nid;
+ WPACKET pkt;
+ int ret = 0;
+ unsigned char *aid = NULL;
+
+ if (!sm2sig_signature_init(vpsm2ctx, ec, params)
+ || !sm2sig_set_mdname(ctx, mdname))
+ return ret;
+
+ if (ctx->mdctx == NULL) {
+ ctx->mdctx = EVP_MD_CTX_new();
+ if (ctx->mdctx == NULL)
+ goto error;
+ }
+
+ md_nid = EVP_MD_get_type(ctx->md);
+
+ /*
+ * We do not care about DER writing errors.
+ * All it really means is that for some reason, there's no
+ * AlgorithmIdentifier to be had, but the operation itself is
+ * still valid, just as long as it's not used to construct
+ * anything that needs an AlgorithmIdentifier.
+ */
+ ctx->aid_len = 0;
+ if (WPACKET_init_der(&pkt, ctx->aid_buf, sizeof(ctx->aid_buf))
+ && ossl_DER_w_algorithmIdentifier_SM2_with_MD(&pkt, -1, ctx->ec, md_nid)
+ && WPACKET_finish(&pkt)) {
+ WPACKET_get_total_written(&pkt, &ctx->aid_len);
+ aid = WPACKET_get_curr(&pkt);
+ }
+ WPACKET_cleanup(&pkt);
+ if (aid != NULL && ctx->aid_len != 0)
+ memmove(ctx->aid_buf, aid, ctx->aid_len);
+
+ if (!EVP_DigestInit_ex2(ctx->mdctx, ctx->md, params))
+ goto error;
+
+ ctx->flag_compute_z_digest = 1;
+
+ ret = 1;
+
+ error:
+ return ret;
+}
+
+static int sm2sig_compute_z_digest(PROV_SM2_CTX *ctx)
+{
+ uint8_t *z = NULL;
+ int ret = 1;
+
+ if (ctx->flag_compute_z_digest) {
+ /* Only do this once */
+ ctx->flag_compute_z_digest = 0;
+
+ if ((z = OPENSSL_zalloc(ctx->mdsize)) == NULL
+ /* get hashed prefix 'z' of tbs message */
+ || !ossl_sm2_compute_z_digest(z, ctx->md, ctx->id, ctx->id_len,
+ ctx->ec)
+ || !EVP_DigestUpdate(ctx->mdctx, z, ctx->mdsize))
+ ret = 0;
+ OPENSSL_free(z);
+ }
+
+ return ret;
+}
+
+int sm2sig_digest_signverify_update(void *vpsm2ctx, const unsigned char *data,
+ size_t datalen)
+{
+ PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;
+
+ if (psm2ctx == NULL || psm2ctx->mdctx == NULL)
+ return 0;
+
+ return sm2sig_compute_z_digest(psm2ctx)
+ && EVP_DigestUpdate(psm2ctx->mdctx, data, datalen);
+}
+
+int sm2sig_digest_sign_final(void *vpsm2ctx, unsigned char *sig, size_t *siglen,
+ size_t sigsize)
+{
+ PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;
+ unsigned char digest[EVP_MAX_MD_SIZE];
+ unsigned int dlen = 0;
+
+ if (psm2ctx == NULL || psm2ctx->mdctx == NULL)
+ return 0;
+
+ /*
+ * If sig is NULL then we're just finding out the sig size. Other fields
+ * are ignored. Defer to sm2sig_sign.
+ */
+ if (sig != NULL) {
+ if (!(sm2sig_compute_z_digest(psm2ctx)
+ && EVP_DigestFinal_ex(psm2ctx->mdctx, digest, &dlen)))
+ return 0;
+ }
+
+ return sm2sig_sign(vpsm2ctx, sig, siglen, sigsize, digest, (size_t)dlen);
+}
+
+
+int sm2sig_digest_verify_final(void *vpsm2ctx, const unsigned char *sig,
+ size_t siglen)
+{
+ PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;
+ unsigned char digest[EVP_MAX_MD_SIZE];
+ unsigned int dlen = 0;
+ int md_size;
+
+ if (psm2ctx == NULL || psm2ctx->mdctx == NULL)
+ return 0;
+
+ md_size = EVP_MD_get_size(psm2ctx->md);
+ if (md_size <= 0 || md_size > (int)sizeof(digest))
+ return 0;
+
+ if (!(sm2sig_compute_z_digest(psm2ctx)
+ && EVP_DigestFinal_ex(psm2ctx->mdctx, digest, &dlen)))
+ return 0;
+
+ return sm2sig_verify(vpsm2ctx, sig, siglen, digest, (size_t)dlen);
+}
+
+static void sm2sig_freectx(void *vpsm2ctx)
+{
+ PROV_SM2_CTX *ctx = (PROV_SM2_CTX *)vpsm2ctx;
+
+ free_md(ctx);
+ EC_KEY_free(ctx->ec);
+ OPENSSL_free(ctx->propq);
+ OPENSSL_free(ctx->id);
+ OPENSSL_free(ctx);
+}
+
+static void *sm2sig_dupctx(void *vpsm2ctx)
+{
+ PROV_SM2_CTX *srcctx = (PROV_SM2_CTX *)vpsm2ctx;
+ PROV_SM2_CTX *dstctx;
+
+ dstctx = OPENSSL_zalloc(sizeof(*srcctx));
+ if (dstctx == NULL)
+ return NULL;
+
+ *dstctx = *srcctx;
+ dstctx->ec = NULL;
+ dstctx->propq = NULL;
+ dstctx->md = NULL;
+ dstctx->mdctx = NULL;
+ dstctx->id = NULL;
+
+ if (srcctx->ec != NULL && !EC_KEY_up_ref(srcctx->ec))
+ goto err;
+ dstctx->ec = srcctx->ec;
+
+ if (srcctx->propq != NULL) {
+ dstctx->propq = OPENSSL_strdup(srcctx->propq);
+ if (dstctx->propq == NULL)
+ goto err;
+ }
+
+ if (srcctx->md != NULL && !EVP_MD_up_ref(srcctx->md))
+ goto err;
+ dstctx->md = srcctx->md;
+
+ if (srcctx->mdctx != NULL) {
+ dstctx->mdctx = EVP_MD_CTX_new();
+ if (dstctx->mdctx == NULL
+ || !EVP_MD_CTX_copy_ex(dstctx->mdctx, srcctx->mdctx))
+ goto err;
+ }
+
+ if (srcctx->id != NULL) {
+ dstctx->id = OPENSSL_malloc(srcctx->id_len);
+ if (dstctx->id == NULL)
+ goto err;
+ dstctx->id_len = srcctx->id_len;
+ memcpy(dstctx->id, srcctx->id, srcctx->id_len);
+ }
+
+ return dstctx;
+ err:
+ sm2sig_freectx(dstctx);
+ return NULL;
+}
+
+static int sm2sig_get_ctx_params(void *vpsm2ctx, OSSL_PARAM *params)
+{
+ PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;
+ OSSL_PARAM *p;
+
+ if (psm2ctx == NULL)
+ return 0;
+
+ p = OSSL_PARAM_locate(params, OSSL_SIGNATURE_PARAM_ALGORITHM_ID);
+ if (p != NULL
+ && !OSSL_PARAM_set_octet_string(p,
+ psm2ctx->aid_len == 0 ? NULL : psm2ctx->aid_buf,
+ psm2ctx->aid_len))
+ return 0;
+
+ p = OSSL_PARAM_locate(params, OSSL_SIGNATURE_PARAM_DIGEST_SIZE);
+ if (p != NULL && !OSSL_PARAM_set_size_t(p, psm2ctx->mdsize))
+ return 0;
+
+ p = OSSL_PARAM_locate(params, OSSL_SIGNATURE_PARAM_DIGEST);
+ if (p != NULL && !OSSL_PARAM_set_utf8_string(p, psm2ctx->md == NULL
+ ? psm2ctx->mdname
+ : EVP_MD_get0_name(psm2ctx->md)))
+ return 0;
+
+ return 1;
+}
+
+static const OSSL_PARAM known_gettable_ctx_params[] = {
+ OSSL_PARAM_octet_string(OSSL_SIGNATURE_PARAM_ALGORITHM_ID, NULL, 0),
+ OSSL_PARAM_size_t(OSSL_SIGNATURE_PARAM_DIGEST_SIZE, NULL),
+ OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST, NULL, 0),
+ OSSL_PARAM_END
+};
+
+static const OSSL_PARAM *sm2sig_gettable_ctx_params(ossl_unused void *vpsm2ctx,
+ ossl_unused void *provctx)
+{
+ return known_gettable_ctx_params;
+}
+
+static int sm2sig_set_ctx_params(void *vpsm2ctx, const OSSL_PARAM params[])
+{
+ PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;
+ const OSSL_PARAM *p;
+ size_t mdsize;
+
+ if (psm2ctx == NULL)
+ return 0;
+ if (ossl_param_is_empty(params))
+ return 1;
+
+ p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_DIST_ID);
+ if (p != NULL) {
+ void *tmp_id = NULL;
+ size_t tmp_idlen = 0;
+
+ /*
+ * If the 'z' digest has already been computed, the ID is set too late
+ */
+ if (!psm2ctx->flag_compute_z_digest)
+ return 0;
+
+ if (p->data_size != 0
+ && !OSSL_PARAM_get_octet_string(p, &tmp_id, 0, &tmp_idlen))
+ return 0;
+ OPENSSL_free(psm2ctx->id);
+ psm2ctx->id = tmp_id;
+ psm2ctx->id_len = tmp_idlen;
+ }
+
+ /*
+ * The following code checks that the size is the same as the SM3 digest
+ * size returning an error otherwise.
+ * If there is ever any different digest algorithm allowed with SM2
+ * this needs to be adjusted accordingly.
+ */
+ p = OSSL_PARAM_locate_const(params, OSSL_SIGNATURE_PARAM_DIGEST_SIZE);
+ if (p != NULL && (!OSSL_PARAM_get_size_t(p, &mdsize)
+ || mdsize != psm2ctx->mdsize))
+ return 0;
+
+ p = OSSL_PARAM_locate_const(params, OSSL_SIGNATURE_PARAM_DIGEST);
+ if (p != NULL) {
+ char *mdname = NULL;
+
+ if (!OSSL_PARAM_get_utf8_string(p, &mdname, 0))
+ return 0;
+ if (!sm2sig_set_mdname(psm2ctx, mdname)) {
+ OPENSSL_free(mdname);
+ return 0;
+ }
+ OPENSSL_free(mdname);
+ }
+
+ return 1;
+}
+
+static const OSSL_PARAM known_settable_ctx_params[] = {
+ OSSL_PARAM_size_t(OSSL_SIGNATURE_PARAM_DIGEST_SIZE, NULL),
+ OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST, NULL, 0),
+ OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_DIST_ID, NULL, 0),
+ OSSL_PARAM_END
+};
+
+static const OSSL_PARAM *sm2sig_settable_ctx_params(ossl_unused void *vpsm2ctx,
+ ossl_unused void *provctx)
+{
+ return known_settable_ctx_params;
+}
+
+static int sm2sig_get_ctx_md_params(void *vpsm2ctx, OSSL_PARAM *params)
+{
+ PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;
+
+ if (psm2ctx->mdctx == NULL)
+ return 0;
+
+ return EVP_MD_CTX_get_params(psm2ctx->mdctx, params);
+}
+
+static const OSSL_PARAM *sm2sig_gettable_ctx_md_params(void *vpsm2ctx)
+{
+ PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;
+
+ if (psm2ctx->md == NULL)
+ return 0;
+
+ return EVP_MD_gettable_ctx_params(psm2ctx->md);
+}
+
+static int sm2sig_set_ctx_md_params(void *vpsm2ctx, const OSSL_PARAM params[])
+{
+ PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;
+
+ if (psm2ctx->mdctx == NULL)
+ return 0;
+
+ return EVP_MD_CTX_set_params(psm2ctx->mdctx, params);
+}
+
+static const OSSL_PARAM *sm2sig_settable_ctx_md_params(void *vpsm2ctx)
+{
+ PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;
+
+ if (psm2ctx->md == NULL)
+ return 0;
+
+ return EVP_MD_settable_ctx_params(psm2ctx->md);
+}
+
+const OSSL_DISPATCH ossl_sm2_signature_functions[] = {
+ { OSSL_FUNC_SIGNATURE_NEWCTX, (void (*)(void))sm2sig_newctx },
+ { OSSL_FUNC_SIGNATURE_SIGN_INIT, (void (*)(void))sm2sig_signature_init },
+ { OSSL_FUNC_SIGNATURE_SIGN, (void (*)(void))sm2sig_sign },
+ { OSSL_FUNC_SIGNATURE_VERIFY_INIT, (void (*)(void))sm2sig_signature_init },
+ { OSSL_FUNC_SIGNATURE_VERIFY, (void (*)(void))sm2sig_verify },
+ { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_INIT,
+ (void (*)(void))sm2sig_digest_signverify_init },
+ { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_UPDATE,
+ (void (*)(void))sm2sig_digest_signverify_update },
+ { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_FINAL,
+ (void (*)(void))sm2sig_digest_sign_final },
+ { OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_INIT,
+ (void (*)(void))sm2sig_digest_signverify_init },
+ { OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_UPDATE,
+ (void (*)(void))sm2sig_digest_signverify_update },
+ { OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_FINAL,
+ (void (*)(void))sm2sig_digest_verify_final },
+ { OSSL_FUNC_SIGNATURE_FREECTX, (void (*)(void))sm2sig_freectx },
+ { OSSL_FUNC_SIGNATURE_DUPCTX, (void (*)(void))sm2sig_dupctx },
+ { OSSL_FUNC_SIGNATURE_GET_CTX_PARAMS, (void (*)(void))sm2sig_get_ctx_params },
+ { OSSL_FUNC_SIGNATURE_GETTABLE_CTX_PARAMS,
+ (void (*)(void))sm2sig_gettable_ctx_params },
+ { OSSL_FUNC_SIGNATURE_SET_CTX_PARAMS, (void (*)(void))sm2sig_set_ctx_params },
+ { OSSL_FUNC_SIGNATURE_SETTABLE_CTX_PARAMS,
+ (void (*)(void))sm2sig_settable_ctx_params },
+ { OSSL_FUNC_SIGNATURE_GET_CTX_MD_PARAMS,
+ (void (*)(void))sm2sig_get_ctx_md_params },
+ { OSSL_FUNC_SIGNATURE_GETTABLE_CTX_MD_PARAMS,
+ (void (*)(void))sm2sig_gettable_ctx_md_params },
+ { OSSL_FUNC_SIGNATURE_SET_CTX_MD_PARAMS,
+ (void (*)(void))sm2sig_set_ctx_md_params },
+ { OSSL_FUNC_SIGNATURE_SETTABLE_CTX_MD_PARAMS,
+ (void (*)(void))sm2sig_settable_ctx_md_params },
+ OSSL_DISPATCH_END
+};
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-10 15:57:26 +0000