zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/dsa/dsa_pmeth.c b/ap/lib/libssl/openssl-1.1.1o/crypto/dsa/dsa_pmeth.c
new file mode 100644
index 0000000..4ca3747
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/dsa/dsa_pmeth.c
@@ -0,0 +1,273 @@
+/*
+ * Copyright 2006-2019 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 <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/x509.h>
+#include <openssl/evp.h>
+#include <openssl/bn.h>
+#include "crypto/evp.h"
+#include "dsa_local.h"
+
+/* DSA pkey context structure */
+
+typedef struct {
+    /* Parameter gen parameters */
+    int nbits;                  /* size of p in bits (default: 2048) */
+    int qbits;                  /* size of q in bits (default: 224) */
+    const EVP_MD *pmd;          /* MD for parameter generation */
+    /* Keygen callback info */
+    int gentmp[2];
+    /* message digest */
+    const EVP_MD *md;           /* MD for the signature */
+} DSA_PKEY_CTX;
+
+static int pkey_dsa_init(EVP_PKEY_CTX *ctx)
+{
+    DSA_PKEY_CTX *dctx = OPENSSL_malloc(sizeof(*dctx));
+
+    if (dctx == NULL)
+        return 0;
+    dctx->nbits = 2048;
+    dctx->qbits = 224;
+    dctx->pmd = NULL;
+    dctx->md = NULL;
+
+    ctx->data = dctx;
+    ctx->keygen_info = dctx->gentmp;
+    ctx->keygen_info_count = 2;
+
+    return 1;
+}
+
+static int pkey_dsa_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
+{
+    DSA_PKEY_CTX *dctx, *sctx;
+
+    if (!pkey_dsa_init(dst))
+        return 0;
+    sctx = src->data;
+    dctx = dst->data;
+    dctx->nbits = sctx->nbits;
+    dctx->qbits = sctx->qbits;
+    dctx->pmd = sctx->pmd;
+    dctx->md = sctx->md;
+    return 1;
+}
+
+static void pkey_dsa_cleanup(EVP_PKEY_CTX *ctx)
+{
+    DSA_PKEY_CTX *dctx = ctx->data;
+    OPENSSL_free(dctx);
+}
+
+static int pkey_dsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
+                         size_t *siglen, const unsigned char *tbs,
+                         size_t tbslen)
+{
+    int ret;
+    unsigned int sltmp;
+    DSA_PKEY_CTX *dctx = ctx->data;
+    DSA *dsa = ctx->pkey->pkey.dsa;
+
+    if (dctx->md != NULL && tbslen != (size_t)EVP_MD_size(dctx->md))
+        return 0;
+
+    ret = DSA_sign(0, tbs, tbslen, sig, &sltmp, dsa);
+
+    if (ret <= 0)
+        return ret;
+    *siglen = sltmp;
+    return 1;
+}
+
+static int pkey_dsa_verify(EVP_PKEY_CTX *ctx,
+                           const unsigned char *sig, size_t siglen,
+                           const unsigned char *tbs, size_t tbslen)
+{
+    int ret;
+    DSA_PKEY_CTX *dctx = ctx->data;
+    DSA *dsa = ctx->pkey->pkey.dsa;
+
+    if (dctx->md != NULL && tbslen != (size_t)EVP_MD_size(dctx->md))
+        return 0;
+
+    ret = DSA_verify(0, tbs, tbslen, sig, siglen, dsa);
+
+    return ret;
+}
+
+static int pkey_dsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+{
+    DSA_PKEY_CTX *dctx = ctx->data;
+
+    switch (type) {
+    case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS:
+        if (p1 < 256)
+            return -2;
+        dctx->nbits = p1;
+        return 1;
+
+    case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS:
+        if (p1 != 160 && p1 != 224 && p1 && p1 != 256)
+            return -2;
+        dctx->qbits = p1;
+        return 1;
+
+    case EVP_PKEY_CTRL_DSA_PARAMGEN_MD:
+        if (EVP_MD_type((const EVP_MD *)p2) != NID_sha1 &&
+            EVP_MD_type((const EVP_MD *)p2) != NID_sha224 &&
+            EVP_MD_type((const EVP_MD *)p2) != NID_sha256) {
+            DSAerr(DSA_F_PKEY_DSA_CTRL, DSA_R_INVALID_DIGEST_TYPE);
+            return 0;
+        }
+        dctx->pmd = p2;
+        return 1;
+
+    case EVP_PKEY_CTRL_MD:
+        if (EVP_MD_type((const EVP_MD *)p2) != NID_sha1 &&
+            EVP_MD_type((const EVP_MD *)p2) != NID_dsa &&
+            EVP_MD_type((const EVP_MD *)p2) != NID_dsaWithSHA &&
+            EVP_MD_type((const EVP_MD *)p2) != NID_sha224 &&
+            EVP_MD_type((const EVP_MD *)p2) != NID_sha256 &&
+            EVP_MD_type((const EVP_MD *)p2) != NID_sha384 &&
+            EVP_MD_type((const EVP_MD *)p2) != NID_sha512 &&
+            EVP_MD_type((const EVP_MD *)p2) != NID_sha3_224 &&
+            EVP_MD_type((const EVP_MD *)p2) != NID_sha3_256 &&
+            EVP_MD_type((const EVP_MD *)p2) != NID_sha3_384 &&
+            EVP_MD_type((const EVP_MD *)p2) != NID_sha3_512) {
+            DSAerr(DSA_F_PKEY_DSA_CTRL, DSA_R_INVALID_DIGEST_TYPE);
+            return 0;
+        }
+        dctx->md = p2;
+        return 1;
+
+    case EVP_PKEY_CTRL_GET_MD:
+        *(const EVP_MD **)p2 = dctx->md;
+        return 1;
+
+    case EVP_PKEY_CTRL_DIGESTINIT:
+    case EVP_PKEY_CTRL_PKCS7_SIGN:
+    case EVP_PKEY_CTRL_CMS_SIGN:
+        return 1;
+
+    case EVP_PKEY_CTRL_PEER_KEY:
+        DSAerr(DSA_F_PKEY_DSA_CTRL,
+               EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+        return -2;
+    default:
+        return -2;
+
+    }
+}
+
+static int pkey_dsa_ctrl_str(EVP_PKEY_CTX *ctx,
+                             const char *type, const char *value)
+{
+    if (strcmp(type, "dsa_paramgen_bits") == 0) {
+        int nbits;
+        nbits = atoi(value);
+        return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits);
+    }
+    if (strcmp(type, "dsa_paramgen_q_bits") == 0) {
+        int qbits = atoi(value);
+        return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx, qbits);
+    }
+    if (strcmp(type, "dsa_paramgen_md") == 0) {
+        const EVP_MD *md = EVP_get_digestbyname(value);
+
+        if (md == NULL) {
+            DSAerr(DSA_F_PKEY_DSA_CTRL_STR, DSA_R_INVALID_DIGEST_TYPE);
+            return 0;
+        }
+        return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, md);
+    }
+    return -2;
+}
+
+static int pkey_dsa_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+{
+    DSA *dsa = NULL;
+    DSA_PKEY_CTX *dctx = ctx->data;
+    BN_GENCB *pcb;
+    int ret;
+
+    if (ctx->pkey_gencb) {
+        pcb = BN_GENCB_new();
+        if (pcb == NULL)
+            return 0;
+        evp_pkey_set_cb_translate(pcb, ctx);
+    } else
+        pcb = NULL;
+    dsa = DSA_new();
+    if (dsa == NULL) {
+        BN_GENCB_free(pcb);
+        return 0;
+    }
+    ret = dsa_builtin_paramgen(dsa, dctx->nbits, dctx->qbits, dctx->pmd,
+                               NULL, 0, NULL, NULL, NULL, pcb);
+    BN_GENCB_free(pcb);
+    if (ret)
+        EVP_PKEY_assign_DSA(pkey, dsa);
+    else
+        DSA_free(dsa);
+    return ret;
+}
+
+static int pkey_dsa_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+{
+    DSA *dsa = NULL;
+
+    if (ctx->pkey == NULL) {
+        DSAerr(DSA_F_PKEY_DSA_KEYGEN, DSA_R_NO_PARAMETERS_SET);
+        return 0;
+    }
+    dsa = DSA_new();
+    if (dsa == NULL)
+        return 0;
+    EVP_PKEY_assign_DSA(pkey, dsa);
+    /* Note: if error return, pkey is freed by parent routine */
+    if (!EVP_PKEY_copy_parameters(pkey, ctx->pkey))
+        return 0;
+    return DSA_generate_key(pkey->pkey.dsa);
+}
+
+const EVP_PKEY_METHOD dsa_pkey_meth = {
+    EVP_PKEY_DSA,
+    EVP_PKEY_FLAG_AUTOARGLEN,
+    pkey_dsa_init,
+    pkey_dsa_copy,
+    pkey_dsa_cleanup,
+
+    0,
+    pkey_dsa_paramgen,
+
+    0,
+    pkey_dsa_keygen,
+
+    0,
+    pkey_dsa_sign,
+
+    0,
+    pkey_dsa_verify,
+
+    0, 0,
+
+    0, 0, 0, 0,
+
+    0, 0,
+
+    0, 0,
+
+    0, 0,
+
+    pkey_dsa_ctrl,
+    pkey_dsa_ctrl_str
+};