zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/sm2/sm2_pmeth.c b/ap/lib/libssl/openssl-1.1.1o/crypto/sm2/sm2_pmeth.c
new file mode 100644
index 0000000..0e722b9
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/sm2/sm2_pmeth.c
@@ -0,0 +1,329 @@
+/*
+ * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (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
+ */
+
+#include "internal/cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/ec.h>
+#include <openssl/evp.h>
+#include "crypto/evp.h"
+#include "crypto/sm2.h"
+#include "crypto/sm2err.h"
+
+/* EC pkey context structure */
+
+typedef struct {
+ /* Key and paramgen group */
+ EC_GROUP *gen_group;
+ /* message digest */
+ const EVP_MD *md;
+ /* Distinguishing Identifier, ISO/IEC 15946-3 */
+ uint8_t *id;
+ size_t id_len;
+ /* id_set indicates if the 'id' field is set (1) or not (0) */
+ int id_set;
+} SM2_PKEY_CTX;
+
+static int pkey_sm2_init(EVP_PKEY_CTX *ctx)
+{
+ SM2_PKEY_CTX *smctx;
+
+ if ((smctx = OPENSSL_zalloc(sizeof(*smctx))) == NULL) {
+ SM2err(SM2_F_PKEY_SM2_INIT, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+ ctx->data = smctx;
+ return 1;
+}
+
+static void pkey_sm2_cleanup(EVP_PKEY_CTX *ctx)
+{
+ SM2_PKEY_CTX *smctx = ctx->data;
+
+ if (smctx != NULL) {
+ EC_GROUP_free(smctx->gen_group);
+ OPENSSL_free(smctx->id);
+ OPENSSL_free(smctx);
+ ctx->data = NULL;
+ }
+}
+
+static int pkey_sm2_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
+{
+ SM2_PKEY_CTX *dctx, *sctx;
+
+ if (!pkey_sm2_init(dst))
+ return 0;
+ sctx = src->data;
+ dctx = dst->data;
+ if (sctx->gen_group != NULL) {
+ dctx->gen_group = EC_GROUP_dup(sctx->gen_group);
+ if (dctx->gen_group == NULL) {
+ pkey_sm2_cleanup(dst);
+ return 0;
+ }
+ }
+ if (sctx->id != NULL) {
+ dctx->id = OPENSSL_malloc(sctx->id_len);
+ if (dctx->id == NULL) {
+ SM2err(SM2_F_PKEY_SM2_COPY, ERR_R_MALLOC_FAILURE);
+ pkey_sm2_cleanup(dst);
+ return 0;
+ }
+ memcpy(dctx->id, sctx->id, sctx->id_len);
+ }
+ dctx->id_len = sctx->id_len;
+ dctx->id_set = sctx->id_set;
+ dctx->md = sctx->md;
+
+ return 1;
+}
+
+static int pkey_sm2_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
+ const unsigned char *tbs, size_t tbslen)
+{
+ int ret;
+ unsigned int sltmp;
+ EC_KEY *ec = ctx->pkey->pkey.ec;
+ const int sig_sz = ECDSA_size(ctx->pkey->pkey.ec);
+
+ if (sig_sz <= 0) {
+ return 0;
+ }
+
+ if (sig == NULL) {
+ *siglen = (size_t)sig_sz;
+ return 1;
+ }
+
+ if (*siglen < (size_t)sig_sz) {
+ SM2err(SM2_F_PKEY_SM2_SIGN, SM2_R_BUFFER_TOO_SMALL);
+ return 0;
+ }
+
+ ret = sm2_sign(tbs, tbslen, sig, &sltmp, ec);
+
+ if (ret <= 0)
+ return ret;
+ *siglen = (size_t)sltmp;
+ return 1;
+}
+
+static int pkey_sm2_verify(EVP_PKEY_CTX *ctx,
+ const unsigned char *sig, size_t siglen,
+ const unsigned char *tbs, size_t tbslen)
+{
+ EC_KEY *ec = ctx->pkey->pkey.ec;
+
+ return sm2_verify(tbs, tbslen, sig, siglen, ec);
+}
+
+static int pkey_sm2_encrypt(EVP_PKEY_CTX *ctx,
+ unsigned char *out, size_t *outlen,
+ const unsigned char *in, size_t inlen)
+{
+ EC_KEY *ec = ctx->pkey->pkey.ec;
+ SM2_PKEY_CTX *dctx = ctx->data;
+ const EVP_MD *md = (dctx->md == NULL) ? EVP_sm3() : dctx->md;
+
+ if (out == NULL) {
+ if (!sm2_ciphertext_size(ec, md, inlen, outlen))
+ return -1;
+ else
+ return 1;
+ }
+
+ return sm2_encrypt(ec, md, in, inlen, out, outlen);
+}
+
+static int pkey_sm2_decrypt(EVP_PKEY_CTX *ctx,
+ unsigned char *out, size_t *outlen,
+ const unsigned char *in, size_t inlen)
+{
+ EC_KEY *ec = ctx->pkey->pkey.ec;
+ SM2_PKEY_CTX *dctx = ctx->data;
+ const EVP_MD *md = (dctx->md == NULL) ? EVP_sm3() : dctx->md;
+
+ if (out == NULL) {
+ if (!sm2_plaintext_size(in, inlen, outlen))
+ return -1;
+ else
+ return 1;
+ }
+
+ return sm2_decrypt(ec, md, in, inlen, out, outlen);
+}
+
+static int pkey_sm2_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+{
+ SM2_PKEY_CTX *smctx = ctx->data;
+ EC_GROUP *group;
+ uint8_t *tmp_id;
+
+ switch (type) {
+ case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID:
+ group = EC_GROUP_new_by_curve_name(p1);
+ if (group == NULL) {
+ SM2err(SM2_F_PKEY_SM2_CTRL, SM2_R_INVALID_CURVE);
+ return 0;
+ }
+ EC_GROUP_free(smctx->gen_group);
+ smctx->gen_group = group;
+ return 1;
+
+ case EVP_PKEY_CTRL_EC_PARAM_ENC:
+ if (smctx->gen_group == NULL) {
+ SM2err(SM2_F_PKEY_SM2_CTRL, SM2_R_NO_PARAMETERS_SET);
+ return 0;
+ }
+ EC_GROUP_set_asn1_flag(smctx->gen_group, p1);
+ return 1;
+
+ case EVP_PKEY_CTRL_MD:
+ smctx->md = p2;
+ return 1;
+
+ case EVP_PKEY_CTRL_GET_MD:
+ *(const EVP_MD **)p2 = smctx->md;
+ return 1;
+
+ case EVP_PKEY_CTRL_SET1_ID:
+ if (p1 > 0) {
+ tmp_id = OPENSSL_malloc(p1);
+ if (tmp_id == NULL) {
+ SM2err(SM2_F_PKEY_SM2_CTRL, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ memcpy(tmp_id, p2, p1);
+ OPENSSL_free(smctx->id);
+ smctx->id = tmp_id;
+ } else {
+ /* set null-ID */
+ OPENSSL_free(smctx->id);
+ smctx->id = NULL;
+ }
+ smctx->id_len = (size_t)p1;
+ smctx->id_set = 1;
+ return 1;
+
+ case EVP_PKEY_CTRL_GET1_ID:
+ memcpy(p2, smctx->id, smctx->id_len);
+ return 1;
+
+ case EVP_PKEY_CTRL_GET1_ID_LEN:
+ *(size_t *)p2 = smctx->id_len;
+ return 1;
+
+ case EVP_PKEY_CTRL_DIGESTINIT:
+ /* nothing to be inited, this is to suppress the error... */
+ return 1;
+
+ default:
+ return -2;
+ }
+}
+
+static int pkey_sm2_ctrl_str(EVP_PKEY_CTX *ctx,
+ const char *type, const char *value)
+{
+ if (strcmp(type, "ec_paramgen_curve") == 0) {
+ int nid = NID_undef;
+
+ if (((nid = EC_curve_nist2nid(value)) == NID_undef)
+ && ((nid = OBJ_sn2nid(value)) == NID_undef)
+ && ((nid = OBJ_ln2nid(value)) == NID_undef)) {
+ SM2err(SM2_F_PKEY_SM2_CTRL_STR, SM2_R_INVALID_CURVE);
+ return 0;
+ }
+ return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid);
+ } else if (strcmp(type, "ec_param_enc") == 0) {
+ int param_enc;
+
+ if (strcmp(value, "explicit") == 0)
+ param_enc = 0;
+ else if (strcmp(value, "named_curve") == 0)
+ param_enc = OPENSSL_EC_NAMED_CURVE;
+ else
+ return -2;
+ return EVP_PKEY_CTX_set_ec_param_enc(ctx, param_enc);
+ }
+
+ return -2;
+}
+
+static int pkey_sm2_digest_custom(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
+{
+ uint8_t z[EVP_MAX_MD_SIZE];
+ SM2_PKEY_CTX *smctx = ctx->data;
+ EC_KEY *ec = ctx->pkey->pkey.ec;
+ const EVP_MD *md = EVP_MD_CTX_md(mctx);
+ int mdlen = EVP_MD_size(md);
+
+ if (!smctx->id_set) {
+ /*
+ * An ID value must be set. The specifications are not clear whether a
+ * NULL is allowed. We only allow it if set explicitly for maximum
+ * flexibility.
+ */
+ SM2err(SM2_F_PKEY_SM2_DIGEST_CUSTOM, SM2_R_ID_NOT_SET);
+ return 0;
+ }
+
+ if (mdlen < 0) {
+ SM2err(SM2_F_PKEY_SM2_DIGEST_CUSTOM, SM2_R_INVALID_DIGEST);
+ return 0;
+ }
+
+ /* get hashed prefix 'z' of tbs message */
+ if (!sm2_compute_z_digest(z, md, smctx->id, smctx->id_len, ec))
+ return 0;
+
+ return EVP_DigestUpdate(mctx, z, (size_t)mdlen);
+}
+
+const EVP_PKEY_METHOD sm2_pkey_meth = {
+ EVP_PKEY_SM2,
+ 0,
+ pkey_sm2_init,
+ pkey_sm2_copy,
+ pkey_sm2_cleanup,
+
+ 0,
+ 0,
+
+ 0,
+ 0,
+
+ 0,
+ pkey_sm2_sign,
+
+ 0,
+ pkey_sm2_verify,
+
+ 0, 0,
+
+ 0, 0, 0, 0,
+
+ 0,
+ pkey_sm2_encrypt,
+
+ 0,
+ pkey_sm2_decrypt,
+
+ 0,
+ 0,
+ pkey_sm2_ctrl,
+ pkey_sm2_ctrl_str,
+
+ 0, 0,
+
+ 0, 0, 0,
+
+ pkey_sm2_digest_custom
+};