zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/evp/m_sha3.c b/ap/lib/libssl/openssl-1.1.1o/crypto/evp/m_sha3.c
new file mode 100644
index 0000000..54c592a
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/evp/m_sha3.c
@@ -0,0 +1,409 @@
+/*
+ * Copyright 2017-2019 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 <string.h>
+
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include "crypto/evp.h"
+#include "evp_local.h"
+
+size_t SHA3_absorb(uint64_t A[5][5], const unsigned char *inp, size_t len,
+                   size_t r);
+void SHA3_squeeze(uint64_t A[5][5], unsigned char *out, size_t len, size_t r);
+
+#define KECCAK1600_WIDTH 1600
+
+typedef struct {
+    uint64_t A[5][5];
+    size_t block_size;          /* cached ctx->digest->block_size */
+    size_t md_size;             /* output length, variable in XOF */
+    size_t num;                 /* used bytes in below buffer */
+    unsigned char buf[KECCAK1600_WIDTH / 8 - 32];
+    unsigned char pad;
+} KECCAK1600_CTX;
+
+static int init(EVP_MD_CTX *evp_ctx, unsigned char pad)
+{
+    KECCAK1600_CTX *ctx = evp_ctx->md_data;
+    size_t bsz = evp_ctx->digest->block_size;
+
+    if (bsz <= sizeof(ctx->buf)) {
+        memset(ctx->A, 0, sizeof(ctx->A));
+
+        ctx->num = 0;
+        ctx->block_size = bsz;
+        ctx->md_size = evp_ctx->digest->md_size;
+        ctx->pad = pad;
+
+        return 1;
+    }
+
+    return 0;
+}
+
+static int sha3_init(EVP_MD_CTX *evp_ctx)
+{
+    return init(evp_ctx, '\x06');
+}
+
+static int shake_init(EVP_MD_CTX *evp_ctx)
+{
+    return init(evp_ctx, '\x1f');
+}
+
+static int sha3_update(EVP_MD_CTX *evp_ctx, const void *_inp, size_t len)
+{
+    KECCAK1600_CTX *ctx = evp_ctx->md_data;
+    const unsigned char *inp = _inp;
+    size_t bsz = ctx->block_size;
+    size_t num, rem;
+
+    if (len == 0)
+        return 1;
+
+    if ((num = ctx->num) != 0) {      /* process intermediate buffer? */
+        rem = bsz - num;
+
+        if (len < rem) {
+            memcpy(ctx->buf + num, inp, len);
+            ctx->num += len;
+            return 1;
+        }
+        /*
+         * We have enough data to fill or overflow the intermediate
+         * buffer. So we append |rem| bytes and process the block,
+         * leaving the rest for later processing...
+         */
+        memcpy(ctx->buf + num, inp, rem);
+        inp += rem, len -= rem;
+        (void)SHA3_absorb(ctx->A, ctx->buf, bsz, bsz);
+        ctx->num = 0;
+        /* ctx->buf is processed, ctx->num is guaranteed to be zero */
+    }
+
+    if (len >= bsz)
+        rem = SHA3_absorb(ctx->A, inp, len, bsz);
+    else
+        rem = len;
+
+    if (rem) {
+        memcpy(ctx->buf, inp + len - rem, rem);
+        ctx->num = rem;
+    }
+
+    return 1;
+}
+
+static int sha3_final(EVP_MD_CTX *evp_ctx, unsigned char *md)
+{
+    KECCAK1600_CTX *ctx = evp_ctx->md_data;
+    size_t bsz = ctx->block_size;
+    size_t num = ctx->num;
+
+    if (ctx->md_size == 0)
+        return 1;
+
+    /*
+     * Pad the data with 10*1. Note that |num| can be |bsz - 1|
+     * in which case both byte operations below are performed on
+     * same byte...
+     */
+    memset(ctx->buf + num, 0, bsz - num);
+    ctx->buf[num] = ctx->pad;
+    ctx->buf[bsz - 1] |= 0x80;
+
+    (void)SHA3_absorb(ctx->A, ctx->buf, bsz, bsz);
+
+    SHA3_squeeze(ctx->A, md, ctx->md_size, bsz);
+
+    return 1;
+}
+
+static int shake_ctrl(EVP_MD_CTX *evp_ctx, int cmd, int p1, void *p2)
+{
+    KECCAK1600_CTX *ctx = evp_ctx->md_data;
+
+    switch (cmd) {
+    case EVP_MD_CTRL_XOF_LEN:
+        ctx->md_size = p1;
+        return 1;
+    default:
+        return 0;
+    }
+}
+
+#if defined(OPENSSL_CPUID_OBJ) && defined(__s390__) && defined(KECCAK1600_ASM)
+/*
+ * IBM S390X support
+ */
+# include "s390x_arch.h"
+
+# define S390X_SHA3_FC(ctx)     ((ctx)->pad)
+
+# define S390X_sha3_224_CAPABLE ((OPENSSL_s390xcap_P.kimd[0] &      \
+                                  S390X_CAPBIT(S390X_SHA3_224)) &&  \
+                                 (OPENSSL_s390xcap_P.klmd[0] &      \
+                                  S390X_CAPBIT(S390X_SHA3_224)))
+# define S390X_sha3_256_CAPABLE ((OPENSSL_s390xcap_P.kimd[0] &      \
+                                  S390X_CAPBIT(S390X_SHA3_256)) &&  \
+                                 (OPENSSL_s390xcap_P.klmd[0] &      \
+                                  S390X_CAPBIT(S390X_SHA3_256)))
+# define S390X_sha3_384_CAPABLE ((OPENSSL_s390xcap_P.kimd[0] &      \
+                                  S390X_CAPBIT(S390X_SHA3_384)) &&  \
+                                 (OPENSSL_s390xcap_P.klmd[0] &      \
+                                  S390X_CAPBIT(S390X_SHA3_384)))
+# define S390X_sha3_512_CAPABLE ((OPENSSL_s390xcap_P.kimd[0] &      \
+                                  S390X_CAPBIT(S390X_SHA3_512)) &&  \
+                                 (OPENSSL_s390xcap_P.klmd[0] &      \
+                                  S390X_CAPBIT(S390X_SHA3_512)))
+# define S390X_shake128_CAPABLE ((OPENSSL_s390xcap_P.kimd[0] &      \
+                                  S390X_CAPBIT(S390X_SHAKE_128)) && \
+                                 (OPENSSL_s390xcap_P.klmd[0] &      \
+                                  S390X_CAPBIT(S390X_SHAKE_128)))
+# define S390X_shake256_CAPABLE ((OPENSSL_s390xcap_P.kimd[0] &      \
+                                  S390X_CAPBIT(S390X_SHAKE_256)) && \
+                                 (OPENSSL_s390xcap_P.klmd[0] &      \
+                                  S390X_CAPBIT(S390X_SHAKE_256)))
+
+/* Convert md-size to block-size. */
+# define S390X_KECCAK1600_BSZ(n) ((KECCAK1600_WIDTH - ((n) << 1)) >> 3)
+
+static int s390x_sha3_init(EVP_MD_CTX *evp_ctx)
+{
+    KECCAK1600_CTX *ctx = evp_ctx->md_data;
+    const size_t bsz = evp_ctx->digest->block_size;
+
+    /*-
+     * KECCAK1600_CTX structure's pad field is used to store the KIMD/KLMD
+     * function code.
+     */
+    switch (bsz) {
+    case S390X_KECCAK1600_BSZ(224):
+        ctx->pad = S390X_SHA3_224;
+        break;
+    case S390X_KECCAK1600_BSZ(256):
+        ctx->pad = S390X_SHA3_256;
+        break;
+    case S390X_KECCAK1600_BSZ(384):
+        ctx->pad = S390X_SHA3_384;
+        break;
+    case S390X_KECCAK1600_BSZ(512):
+        ctx->pad = S390X_SHA3_512;
+        break;
+    default:
+        return 0;
+    }
+
+    memset(ctx->A, 0, sizeof(ctx->A));
+    ctx->num = 0;
+    ctx->block_size = bsz;
+    ctx->md_size = evp_ctx->digest->md_size;
+    return 1;
+}
+
+static int s390x_shake_init(EVP_MD_CTX *evp_ctx)
+{
+    KECCAK1600_CTX *ctx = evp_ctx->md_data;
+    const size_t bsz = evp_ctx->digest->block_size;
+
+    /*-
+     * KECCAK1600_CTX structure's pad field is used to store the KIMD/KLMD
+     * function code.
+     */
+    switch (bsz) {
+    case S390X_KECCAK1600_BSZ(128):
+        ctx->pad = S390X_SHAKE_128;
+        break;
+    case S390X_KECCAK1600_BSZ(256):
+        ctx->pad = S390X_SHAKE_256;
+        break;
+    default:
+        return 0;
+    }
+
+    memset(ctx->A, 0, sizeof(ctx->A));
+    ctx->num = 0;
+    ctx->block_size = bsz;
+    ctx->md_size = evp_ctx->digest->md_size;
+    return 1;
+}
+
+static int s390x_sha3_update(EVP_MD_CTX *evp_ctx, const void *_inp, size_t len)
+{
+    KECCAK1600_CTX *ctx = evp_ctx->md_data;
+    const unsigned char *inp = _inp;
+    const size_t bsz = ctx->block_size;
+    size_t num, rem;
+
+    if (len == 0)
+        return 1;
+
+    if ((num = ctx->num) != 0) {
+        rem = bsz - num;
+
+        if (len < rem) {
+            memcpy(ctx->buf + num, inp, len);
+            ctx->num += len;
+            return 1;
+        }
+        memcpy(ctx->buf + num, inp, rem);
+        inp += rem;
+        len -= rem;
+        s390x_kimd(ctx->buf, bsz, ctx->pad, ctx->A);
+        ctx->num = 0;
+    }
+    rem = len % bsz;
+
+    s390x_kimd(inp, len - rem, ctx->pad, ctx->A);
+
+    if (rem) {
+        memcpy(ctx->buf, inp + len - rem, rem);
+        ctx->num = rem;
+    }
+    return 1;
+}
+
+static int s390x_sha3_final(EVP_MD_CTX *evp_ctx, unsigned char *md)
+{
+    KECCAK1600_CTX *ctx = evp_ctx->md_data;
+
+    s390x_klmd(ctx->buf, ctx->num, NULL, 0, ctx->pad, ctx->A);
+    memcpy(md, ctx->A, ctx->md_size);
+    return 1;
+}
+
+static int s390x_shake_final(EVP_MD_CTX *evp_ctx, unsigned char *md)
+{
+    KECCAK1600_CTX *ctx = evp_ctx->md_data;
+
+    s390x_klmd(ctx->buf, ctx->num, md, ctx->md_size, ctx->pad, ctx->A);
+    return 1;
+}
+
+# define EVP_MD_SHA3(bitlen)                         \
+const EVP_MD *EVP_sha3_##bitlen(void)                \
+{                                                    \
+    static const EVP_MD s390x_sha3_##bitlen##_md = { \
+        NID_sha3_##bitlen,                           \
+        NID_RSA_SHA3_##bitlen,                       \
+        bitlen / 8,                                  \
+        EVP_MD_FLAG_DIGALGID_ABSENT,                 \
+        s390x_sha3_init,                             \
+        s390x_sha3_update,                           \
+        s390x_sha3_final,                            \
+        NULL,                                        \
+        NULL,                                        \
+        (KECCAK1600_WIDTH - bitlen * 2) / 8,         \
+        sizeof(KECCAK1600_CTX),                      \
+    };                                               \
+    static const EVP_MD sha3_##bitlen##_md = {       \
+        NID_sha3_##bitlen,                           \
+        NID_RSA_SHA3_##bitlen,                       \
+        bitlen / 8,                                  \
+        EVP_MD_FLAG_DIGALGID_ABSENT,                 \
+        sha3_init,                                   \
+        sha3_update,                                 \
+        sha3_final,                                  \
+        NULL,                                        \
+        NULL,                                        \
+        (KECCAK1600_WIDTH - bitlen * 2) / 8,         \
+        sizeof(KECCAK1600_CTX),                      \
+    };                                               \
+    return S390X_sha3_##bitlen##_CAPABLE ?           \
+           &s390x_sha3_##bitlen##_md :               \
+           &sha3_##bitlen##_md;                      \
+}
+
+# define EVP_MD_SHAKE(bitlen)                        \
+const EVP_MD *EVP_shake##bitlen(void)                \
+{                                                    \
+    static const EVP_MD s390x_shake##bitlen##_md = { \
+        NID_shake##bitlen,                           \
+        0,                                           \
+        bitlen / 8,                                  \
+        EVP_MD_FLAG_XOF,                             \
+        s390x_shake_init,                            \
+        s390x_sha3_update,                           \
+        s390x_shake_final,                           \
+        NULL,                                        \
+        NULL,                                        \
+        (KECCAK1600_WIDTH - bitlen * 2) / 8,         \
+        sizeof(KECCAK1600_CTX),                      \
+        shake_ctrl                                   \
+    };                                               \
+    static const EVP_MD shake##bitlen##_md = {       \
+        NID_shake##bitlen,                           \
+        0,                                           \
+        bitlen / 8,                                  \
+        EVP_MD_FLAG_XOF,                             \
+        shake_init,                                  \
+        sha3_update,                                 \
+        sha3_final,                                  \
+        NULL,                                        \
+        NULL,                                        \
+        (KECCAK1600_WIDTH - bitlen * 2) / 8,         \
+        sizeof(KECCAK1600_CTX),                      \
+        shake_ctrl                                   \
+    };                                               \
+    return S390X_shake##bitlen##_CAPABLE ?           \
+           &s390x_shake##bitlen##_md :               \
+           &shake##bitlen##_md;                      \
+}
+
+#else
+
+# define EVP_MD_SHA3(bitlen)                    \
+const EVP_MD *EVP_sha3_##bitlen(void)           \
+{                                               \
+    static const EVP_MD sha3_##bitlen##_md = {  \
+        NID_sha3_##bitlen,                      \
+        NID_RSA_SHA3_##bitlen,                  \
+        bitlen / 8,                             \
+        EVP_MD_FLAG_DIGALGID_ABSENT,            \
+        sha3_init,                              \
+        sha3_update,                            \
+        sha3_final,                             \
+        NULL,                                   \
+        NULL,                                   \
+        (KECCAK1600_WIDTH - bitlen * 2) / 8,    \
+        sizeof(KECCAK1600_CTX),                 \
+    };                                          \
+    return &sha3_##bitlen##_md;                 \
+}
+
+# define EVP_MD_SHAKE(bitlen)                   \
+const EVP_MD *EVP_shake##bitlen(void)           \
+{                                               \
+    static const EVP_MD shake##bitlen##_md = {  \
+        NID_shake##bitlen,                      \
+        0,                                      \
+        bitlen / 8,                             \
+        EVP_MD_FLAG_XOF,                        \
+        shake_init,                             \
+        sha3_update,                            \
+        sha3_final,                             \
+        NULL,                                   \
+        NULL,                                   \
+        (KECCAK1600_WIDTH - bitlen * 2) / 8,    \
+        sizeof(KECCAK1600_CTX),                 \
+        shake_ctrl                              \
+    };                                          \
+    return &shake##bitlen##_md;                 \
+}
+#endif
+
+EVP_MD_SHA3(224)
+EVP_MD_SHA3(256)
+EVP_MD_SHA3(384)
+EVP_MD_SHA3(512)
+
+EVP_MD_SHAKE(128)
+EVP_MD_SHAKE(256)