/src/openssl31/ssl/s3_enc.c

Source (jump to first uncovered line)
/*
 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
 * Copyright 2005 Nokia. 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
 */

#include <stdio.h>
#include "ssl_local.h"
#include <openssl/evp.h>
#include <openssl/md5.h>
#include <openssl/core_names.h>
#include "internal/cryptlib.h"

static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
{
    const EVP_MD *md5 = NULL, *sha1 = NULL;
    EVP_MD_CTX *m5;
    EVP_MD_CTX *s1;
    unsigned char buf[16], smd[SHA_DIGEST_LENGTH];
    unsigned char c = 'A';
    unsigned int i, k;
    int ret = 0;

#ifdef CHARSET_EBCDIC
    c = os_toascii[c];          /* 'A' in ASCII */
#endif
    k = 0;
    md5 = ssl_evp_md_fetch(s->ctx->libctx, NID_md5, s->ctx->propq);
    sha1 = ssl_evp_md_fetch(s->ctx->libctx, NID_sha1, s->ctx->propq);
    m5 = EVP_MD_CTX_new();
    s1 = EVP_MD_CTX_new();
    if (md5 == NULL || sha1 == NULL || m5 == NULL || s1 == NULL) {
        SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
        goto err;
    }
    for (i = 0; (int)i < num; i += MD5_DIGEST_LENGTH) {
        k++;
        if (k > sizeof(buf)) {
            /* bug: 'buf' is too small for this ciphersuite */
            SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
            goto err;
        }

        memset(buf, c, k);
        c++;
        if (!EVP_DigestInit_ex(s1, sha1, NULL)
            || !EVP_DigestUpdate(s1, buf, k)
            || !EVP_DigestUpdate(s1, s->session->master_key,
                                 s->session->master_key_length)
            || !EVP_DigestUpdate(s1, s->s3.server_random, SSL3_RANDOM_SIZE)
            || !EVP_DigestUpdate(s1, s->s3.client_random, SSL3_RANDOM_SIZE)
            || !EVP_DigestFinal_ex(s1, smd, NULL)
            || !EVP_DigestInit_ex(m5, md5, NULL)
            || !EVP_DigestUpdate(m5, s->session->master_key,
                                 s->session->master_key_length)
            || !EVP_DigestUpdate(m5, smd, SHA_DIGEST_LENGTH)) {
            SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
            goto err;
        }
        if ((int)(i + MD5_DIGEST_LENGTH) > num) {
            if (!EVP_DigestFinal_ex(m5, smd, NULL)) {
                SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
                goto err;
            }
            memcpy(km, smd, (num - i));
        } else {
            if (!EVP_DigestFinal_ex(m5, km, NULL)) {
                SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
                goto err;
            }
        }

        km += MD5_DIGEST_LENGTH;
    }
    OPENSSL_cleanse(smd, sizeof(smd));
    ret = 1;
 err:
    EVP_MD_CTX_free(m5);
    EVP_MD_CTX_free(s1);
    ssl_evp_md_free(md5);
    ssl_evp_md_free(sha1);
    return ret;
}

int ssl3_change_cipher_state(SSL *s, int which)
{
    unsigned char *p, *mac_secret;
    unsigned char *ms, *key, *iv;
    EVP_CIPHER_CTX *dd;
    const EVP_CIPHER *c;
#ifndef OPENSSL_NO_COMP
    COMP_METHOD *comp;
#endif
    const EVP_MD *m;
    int mdi;
    size_t n, i, j, k, cl;
    int reuse_dd = 0;

    c = s->s3.tmp.new_sym_enc;
    m = s->s3.tmp.new_hash;
    /* m == NULL will lead to a crash later */
    if (!ossl_assert(m != NULL)) {
        SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
        goto err;
    }
#ifndef OPENSSL_NO_COMP
    if (s->s3.tmp.new_compression == NULL)
        comp = NULL;
    else
        comp = s->s3.tmp.new_compression->method;
#endif

    if (which & SSL3_CC_READ) {
        if (s->enc_read_ctx != NULL) {
            reuse_dd = 1;
        } else if ((s->enc_read_ctx = EVP_CIPHER_CTX_new()) == NULL) {
            SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
            goto err;
        } else {
            /*
             * make sure it's initialised in case we exit later with an error
             */
            EVP_CIPHER_CTX_reset(s->enc_read_ctx);
        }
        dd = s->enc_read_ctx;

        if (ssl_replace_hash(&s->read_hash, m) == NULL) {
            SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
            goto err;
        }
#ifndef OPENSSL_NO_COMP
        /* COMPRESS */
        COMP_CTX_free(s->expand);
        s->expand = NULL;
        if (comp != NULL) {
            s->expand = COMP_CTX_new(comp);
            if (s->expand == NULL) {
                SSLfatal(s, SSL_AD_INTERNAL_ERROR,
                         SSL_R_COMPRESSION_LIBRARY_ERROR);
                goto err;
            }
        }
#endif
        RECORD_LAYER_reset_read_sequence(&s->rlayer);
        mac_secret = &(s->s3.read_mac_secret[0]);
    } else {
        s->statem.enc_write_state = ENC_WRITE_STATE_INVALID;
        if (s->enc_write_ctx != NULL) {
            reuse_dd = 1;
        } else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL) {
            SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
            goto err;
        } else {
            /*
             * make sure it's initialised in case we exit later with an error
             */
            EVP_CIPHER_CTX_reset(s->enc_write_ctx);
        }
        dd = s->enc_write_ctx;
        if (ssl_replace_hash(&s->write_hash, m) == NULL) {
            SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
            goto err;
        }
#ifndef OPENSSL_NO_COMP
        /* COMPRESS */
        COMP_CTX_free(s->compress);
        s->compress = NULL;
        if (comp != NULL) {
            s->compress = COMP_CTX_new(comp);
            if (s->compress == NULL) {
                SSLfatal(s, SSL_AD_INTERNAL_ERROR,
                         SSL_R_COMPRESSION_LIBRARY_ERROR);
                goto err;
            }
        }
#endif
        RECORD_LAYER_reset_write_sequence(&s->rlayer);
        mac_secret = &(s->s3.write_mac_secret[0]);
    }

    if (reuse_dd)
        EVP_CIPHER_CTX_reset(dd);

    p = s->s3.tmp.key_block;
    mdi = EVP_MD_get_size(m);
    if (mdi < 0) {
        SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
        goto err;
    }
    i = mdi;
    cl = EVP_CIPHER_get_key_length(c);
    j = cl;
    k = EVP_CIPHER_get_iv_length(c);
    if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
        (which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
        ms = &(p[0]);
        n = i + i;
        key = &(p[n]);
        n += j + j;
        iv = &(p[n]);
        n += k + k;
    } else {
        n = i;
        ms = &(p[n]);
        n += i + j;
        key = &(p[n]);
        n += j + k;
        iv = &(p[n]);
        n += k;
    }

    if (n > s->s3.tmp.key_block_length) {
        SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
        goto err;
    }

    memcpy(mac_secret, ms, i);

    if (!EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE))) {
        SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
        goto err;
    }

    /*
     * The cipher we actually ended up using in the EVP_CIPHER_CTX may be
     * different to that in c if we have an ENGINE in use
     */
    if (EVP_CIPHER_get0_provider(EVP_CIPHER_CTX_get0_cipher(dd)) != NULL
            && !tls_provider_set_tls_params(s, dd, c, m)) {
        /* SSLfatal already called */
        goto err;
    }

    s->statem.enc_write_state = ENC_WRITE_STATE_VALID;
    return 1;
 err:
    return 0;
}

int ssl3_setup_key_block(SSL *s)
{
    unsigned char *p;
    const EVP_CIPHER *c;
    const EVP_MD *hash;
    int num;
    int ret = 0;
    SSL_COMP *comp;

    if (s->s3.tmp.key_block_length != 0)
        return 1;

    if (!ssl_cipher_get_evp(s->ctx, s->session, &c, &hash, NULL, NULL, &comp,
                            0)) {
        /* Error is already recorded */
        SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR);
        return 0;
    }

    ssl_evp_cipher_free(s->s3.tmp.new_sym_enc);
    s->s3.tmp.new_sym_enc = c;
    ssl_evp_md_free(s->s3.tmp.new_hash);
    s->s3.tmp.new_hash = hash;
#ifdef OPENSSL_NO_COMP
    s->s3.tmp.new_compression = NULL;
#else
    s->s3.tmp.new_compression = comp;
#endif

    num = EVP_MD_get_size(hash);
    if (num < 0)
        return 0;

    num = EVP_CIPHER_get_key_length(c) + num + EVP_CIPHER_get_iv_length(c);
    num *= 2;

    ssl3_cleanup_key_block(s);

    if ((p = OPENSSL_malloc(num)) == NULL) {
        SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
        return 0;
    }

    s->s3.tmp.key_block_length = num;
    s->s3.tmp.key_block = p;

    /* Calls SSLfatal() as required */
    ret = ssl3_generate_key_block(s, p, num);

    if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)) {
        /*
         * enable vulnerability countermeasure for CBC ciphers with known-IV
         * problem (http://www.openssl.org/~bodo/tls-cbc.txt)
         */
        s->s3.need_empty_fragments = 1;

        if (s->session->cipher != NULL) {
            if (s->session->cipher->algorithm_enc == SSL_eNULL)
                s->s3.need_empty_fragments = 0;

            if (s->session->cipher->algorithm_enc == SSL_RC4)
                s->s3.need_empty_fragments = 0;
        }
    }

    return ret;
}

void ssl3_cleanup_key_block(SSL *s)
{
    OPENSSL_clear_free(s->s3.tmp.key_block, s->s3.tmp.key_block_length);
    s->s3.tmp.key_block = NULL;
    s->s3.tmp.key_block_length = 0;
}

int ssl3_init_finished_mac(SSL *s)
{
    BIO *buf = BIO_new(BIO_s_mem());

    if (buf == NULL) {
        SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
        return 0;
    }
    ssl3_free_digest_list(s);
    s->s3.handshake_buffer = buf;
    (void)BIO_set_close(s->s3.handshake_buffer, BIO_CLOSE);
    return 1;
}

/*
 * Free digest list. Also frees handshake buffer since they are always freed
 * together.
 */

void ssl3_free_digest_list(SSL *s)
{
    BIO_free(s->s3.handshake_buffer);
    s->s3.handshake_buffer = NULL;
    EVP_MD_CTX_free(s->s3.handshake_dgst);
    s->s3.handshake_dgst = NULL;
}

int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len)
{
    int ret;

    if (s->s3.handshake_dgst == NULL) {
        /* Note: this writes to a memory BIO so a failure is a fatal error */
        if (len > INT_MAX) {
            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_OVERFLOW_ERROR);
            return 0;
        }
        ret = BIO_write(s->s3.handshake_buffer, (void *)buf, (int)len);
        if (ret <= 0 || ret != (int)len) {
            SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
            return 0;
        }
    } else {
        ret = EVP_DigestUpdate(s->s3.handshake_dgst, buf, len);
        if (!ret) {
            SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
            return 0;
        }
    }
    return 1;
}

int ssl3_digest_cached_records(SSL *s, int keep)
{
    const EVP_MD *md;
    long hdatalen;
    void *hdata;

    if (s->s3.handshake_dgst == NULL) {
        hdatalen = BIO_get_mem_data(s->s3.handshake_buffer, &hdata);
        if (hdatalen <= 0) {
            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_HANDSHAKE_LENGTH);
            return 0;
        }

        s->s3.handshake_dgst = EVP_MD_CTX_new();
        if (s->s3.handshake_dgst == NULL) {
            SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
            return 0;
        }

        md = ssl_handshake_md(s);
        if (md == NULL) {
            SSLfatal(s, SSL_AD_INTERNAL_ERROR,
                     SSL_R_NO_SUITABLE_DIGEST_ALGORITHM);
            return 0;
        }
        if (!EVP_DigestInit_ex(s->s3.handshake_dgst, md, NULL)
            || !EVP_DigestUpdate(s->s3.handshake_dgst, hdata, hdatalen)) {
            SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
            return 0;
        }
    }
    if (keep == 0) {
        BIO_free(s->s3.handshake_buffer);
        s->s3.handshake_buffer = NULL;
    }

    return 1;
}

void ssl3_digest_master_key_set_params(const SSL_SESSION *session,
                                       OSSL_PARAM params[])
{
    int n = 0;
    params[n++] = OSSL_PARAM_construct_octet_string(OSSL_DIGEST_PARAM_SSL3_MS,
                                                    (void *)session->master_key,
                                                    session->master_key_length);
    params[n++] = OSSL_PARAM_construct_end();
}

size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t len,
                             unsigned char *p)
{
    int ret;
    EVP_MD_CTX *ctx = NULL;

    if (!ssl3_digest_cached_records(s, 0)) {
        /* SSLfatal() already called */
        return 0;
    }

    if (EVP_MD_CTX_get_type(s->s3.handshake_dgst) != NID_md5_sha1) {
        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_REQUIRED_DIGEST);
        return 0;
    }

    ctx = EVP_MD_CTX_new();
    if (ctx == NULL) {
        SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
        return 0;
    }
    if (!EVP_MD_CTX_copy_ex(ctx, s->s3.handshake_dgst)) {
        SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
        ret = 0;
        goto err;
    }

    ret = EVP_MD_CTX_get_size(ctx);
    if (ret < 0) {
        SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
        ret = 0;
        goto err;
    }

    if (sender != NULL) {
        OSSL_PARAM digest_cmd_params[3];

        ssl3_digest_master_key_set_params(s->session, digest_cmd_params);

        if (EVP_DigestUpdate(ctx, sender, len) <= 0
            || EVP_MD_CTX_set_params(ctx, digest_cmd_params) <= 0
            || EVP_DigestFinal_ex(ctx, p, NULL) <= 0) {
                SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
                ret = 0;
        }
    }

 err:
    EVP_MD_CTX_free(ctx);

    return ret;
}

int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
                                size_t len, size_t *secret_size)
{
    static const unsigned char *salt[3] = {
#ifndef CHARSET_EBCDIC
        (const unsigned char *)"A",
        (const unsigned char *)"BB",
        (const unsigned char *)"CCC",
#else
        (const unsigned char *)"\x41",
        (const unsigned char *)"\x42\x42",
        (const unsigned char *)"\x43\x43\x43",
#endif
    };
    unsigned char buf[EVP_MAX_MD_SIZE];
    EVP_MD_CTX *ctx = EVP_MD_CTX_new();
    int i, ret = 1;
    unsigned int n;
    size_t ret_secret_size = 0;

    if (ctx == NULL) {
        SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
        return 0;
    }
    for (i = 0; i < 3; i++) {
        if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0
            || EVP_DigestUpdate(ctx, salt[i],
                                strlen((const char *)salt[i])) <= 0
            || EVP_DigestUpdate(ctx, p, len) <= 0
            || EVP_DigestUpdate(ctx, &(s->s3.client_random[0]),
                                SSL3_RANDOM_SIZE) <= 0
            || EVP_DigestUpdate(ctx, &(s->s3.server_random[0]),
                                SSL3_RANDOM_SIZE) <= 0
            || EVP_DigestFinal_ex(ctx, buf, &n) <= 0
            || EVP_DigestInit_ex(ctx, s->ctx->md5, NULL) <= 0
            || EVP_DigestUpdate(ctx, p, len) <= 0
            || EVP_DigestUpdate(ctx, buf, n) <= 0
            || EVP_DigestFinal_ex(ctx, out, &n) <= 0) {
            SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
            ret = 0;
            break;
        }
        out += n;
        ret_secret_size += n;
    }
    EVP_MD_CTX_free(ctx);

    OPENSSL_cleanse(buf, sizeof(buf));
    if (ret)
        *secret_size = ret_secret_size;
    return ret;
}

int ssl3_alert_code(int code)
{
    switch (code) {
    case SSL_AD_CLOSE_NOTIFY:
        return SSL3_AD_CLOSE_NOTIFY;
    case SSL_AD_UNEXPECTED_MESSAGE:
        return SSL3_AD_UNEXPECTED_MESSAGE;
    case SSL_AD_BAD_RECORD_MAC:
        return SSL3_AD_BAD_RECORD_MAC;
    case SSL_AD_DECRYPTION_FAILED:
        return SSL3_AD_BAD_RECORD_MAC;
    case SSL_AD_RECORD_OVERFLOW:
        return SSL3_AD_BAD_RECORD_MAC;
    case SSL_AD_DECOMPRESSION_FAILURE:
        return SSL3_AD_DECOMPRESSION_FAILURE;
    case SSL_AD_HANDSHAKE_FAILURE:
        return SSL3_AD_HANDSHAKE_FAILURE;
    case SSL_AD_NO_CERTIFICATE:
        return SSL3_AD_NO_CERTIFICATE;
    case SSL_AD_BAD_CERTIFICATE:
        return SSL3_AD_BAD_CERTIFICATE;
    case SSL_AD_UNSUPPORTED_CERTIFICATE:
        return SSL3_AD_UNSUPPORTED_CERTIFICATE;
    case SSL_AD_CERTIFICATE_REVOKED:
        return SSL3_AD_CERTIFICATE_REVOKED;
    case SSL_AD_CERTIFICATE_EXPIRED:
        return SSL3_AD_CERTIFICATE_EXPIRED;
    case SSL_AD_CERTIFICATE_UNKNOWN:
        return SSL3_AD_CERTIFICATE_UNKNOWN;
    case SSL_AD_ILLEGAL_PARAMETER:
        return SSL3_AD_ILLEGAL_PARAMETER;
    case SSL_AD_UNKNOWN_CA:
        return SSL3_AD_BAD_CERTIFICATE;
    case SSL_AD_ACCESS_DENIED:
        return SSL3_AD_HANDSHAKE_FAILURE;
    case SSL_AD_DECODE_ERROR:
        return SSL3_AD_HANDSHAKE_FAILURE;
    case SSL_AD_DECRYPT_ERROR:
        return SSL3_AD_HANDSHAKE_FAILURE;
    case SSL_AD_EXPORT_RESTRICTION:
        return SSL3_AD_HANDSHAKE_FAILURE;
    case SSL_AD_PROTOCOL_VERSION:
        return SSL3_AD_HANDSHAKE_FAILURE;
    case SSL_AD_INSUFFICIENT_SECURITY:
        return SSL3_AD_HANDSHAKE_FAILURE;
    case SSL_AD_INTERNAL_ERROR:
        return SSL3_AD_HANDSHAKE_FAILURE;
    case SSL_AD_USER_CANCELLED:
        return SSL3_AD_HANDSHAKE_FAILURE;
    case SSL_AD_NO_RENEGOTIATION:
        return -1;            /* Don't send it :-) */
    case SSL_AD_UNSUPPORTED_EXTENSION:
        return SSL3_AD_HANDSHAKE_FAILURE;
    case SSL_AD_CERTIFICATE_UNOBTAINABLE:
        return SSL3_AD_HANDSHAKE_FAILURE;
    case SSL_AD_UNRECOGNIZED_NAME:
        return SSL3_AD_HANDSHAKE_FAILURE;
    case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
        return SSL3_AD_HANDSHAKE_FAILURE;
    case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
        return SSL3_AD_HANDSHAKE_FAILURE;
    case SSL_AD_UNKNOWN_PSK_IDENTITY:
        return TLS1_AD_UNKNOWN_PSK_IDENTITY;
    case SSL_AD_INAPPROPRIATE_FALLBACK:
        return TLS1_AD_INAPPROPRIATE_FALLBACK;
    case SSL_AD_NO_APPLICATION_PROTOCOL:
        return TLS1_AD_NO_APPLICATION_PROTOCOL;
    case SSL_AD_CERTIFICATE_REQUIRED:
        return SSL_AD_HANDSHAKE_FAILURE;
    case TLS13_AD_MISSING_EXTENSION:
        return SSL_AD_HANDSHAKE_FAILURE;
    default:
        return -1;
    }
}

Coverage Report

Created: 2025-06-13 06:58

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
3		* Copyright 2005 Nokia. All rights reserved.
4		*
5		* Licensed under the Apache License 2.0 (the "License"). You may not use
6		* this file except in compliance with the License. You can obtain a copy
7		* in the file LICENSE in the source distribution or at
8		* https://www.openssl.org/source/license.html
9		*/
10
11		#include <stdio.h>
12		#include "ssl_local.h"
13		#include <openssl/evp.h>
14		#include <openssl/md5.h>
15		#include <openssl/core_names.h>
16		#include "internal/cryptlib.h"
17
18		static int ssl3_generate_key_block(SSL s, unsigned char km, int num)
19	1.67k	{
20	1.67k	const EVP_MD md5 = NULL, sha1 = NULL;
21	1.67k	EVP_MD_CTX *m5;
22	1.67k	EVP_MD_CTX *s1;
23	1.67k	unsigned char buf[16], smd[SHA_DIGEST_LENGTH];
24	1.67k	unsigned char c = 'A';
25	1.67k	unsigned int i, k;
26	1.67k	int ret = 0;
27
28		#ifdef CHARSET_EBCDIC
29		c = os_toascii[c]; /* 'A' in ASCII */
30		#endif
31	1.67k	k = 0;
32	1.67k	md5 = ssl_evp_md_fetch(s->ctx->libctx, NID_md5, s->ctx->propq);
33	1.67k	sha1 = ssl_evp_md_fetch(s->ctx->libctx, NID_sha1, s->ctx->propq);
34	1.67k	m5 = EVP_MD_CTX_new();
35	1.67k	s1 = EVP_MD_CTX_new();
36	1.67k	if (md5 == NULL \|\| sha1 == NULL \|\| m5 == NULL \|\| s1 == NULL) {
37	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
38	0	goto err;
39	0	}
40	9.45k	for (i = 0; (int)i < num; i += MD5_DIGEST_LENGTH) {
41	7.78k	k++;
42	7.78k	if (k > sizeof(buf)) {
43		/* bug: 'buf' is too small for this ciphersuite */
44	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
45	0	goto err;
46	0	}
47
48	7.78k	memset(buf, c, k);
49	7.78k	c++;
50	7.78k	if (!EVP_DigestInit_ex(s1, sha1, NULL)
51	7.78k	\|\| !EVP_DigestUpdate(s1, buf, k)
52	7.78k	\|\| !EVP_DigestUpdate(s1, s->session->master_key,
53	7.78k	s->session->master_key_length)
54	7.78k	\|\| !EVP_DigestUpdate(s1, s->s3.server_random, SSL3_RANDOM_SIZE)
55	7.78k	\|\| !EVP_DigestUpdate(s1, s->s3.client_random, SSL3_RANDOM_SIZE)
56	7.78k	\|\| !EVP_DigestFinal_ex(s1, smd, NULL)
57	7.78k	\|\| !EVP_DigestInit_ex(m5, md5, NULL)
58	7.78k	\|\| !EVP_DigestUpdate(m5, s->session->master_key,
59	7.78k	s->session->master_key_length)
60	7.78k	\|\| !EVP_DigestUpdate(m5, smd, SHA_DIGEST_LENGTH)) {
61	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
62	0	goto err;
63	0	}
64	7.78k	if ((int)(i + MD5_DIGEST_LENGTH) > num) {
65	1.27k	if (!EVP_DigestFinal_ex(m5, smd, NULL)) {
66	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
67	0	goto err;
68	0	}
69	1.27k	memcpy(km, smd, (num - i));
70	6.51k	} else {
71	6.51k	if (!EVP_DigestFinal_ex(m5, km, NULL)) {
72	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
73	0	goto err;
74	0	}
75	6.51k	}
76
77	7.78k	km += MD5_DIGEST_LENGTH;
78	7.78k	}
79	1.67k	OPENSSL_cleanse(smd, sizeof(smd));
80	1.67k	ret = 1;
81	1.67k	err:
82	1.67k	EVP_MD_CTX_free(m5);
83	1.67k	EVP_MD_CTX_free(s1);
84	1.67k	ssl_evp_md_free(md5);
85	1.67k	ssl_evp_md_free(sha1);
86	1.67k	return ret;
87	1.67k	}
88
89		int ssl3_change_cipher_state(SSL *s, int which)
90	829	{
91	829	unsigned char p, mac_secret;
92	829	unsigned char ms, key, *iv;
93	829	EVP_CIPHER_CTX *dd;
94	829	const EVP_CIPHER *c;
95	829	#ifndef OPENSSL_NO_COMP
96	829	COMP_METHOD *comp;
97	829	#endif
98	829	const EVP_MD *m;
99	829	int mdi;
100	829	size_t n, i, j, k, cl;
101	829	int reuse_dd = 0;
102
103	829	c = s->s3.tmp.new_sym_enc;
104	829	m = s->s3.tmp.new_hash;
105		/* m == NULL will lead to a crash later */
106	829	if (!ossl_assert(m != NULL)) {
107	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
108	0	goto err;
109	0	}
110	829	#ifndef OPENSSL_NO_COMP
111	829	if (s->s3.tmp.new_compression == NULL)
112	829	comp = NULL;
113	0	else
114	0	comp = s->s3.tmp.new_compression->method;
115	829	#endif
116
117	829	if (which & SSL3_CC_READ) {
118	604	if (s->enc_read_ctx != NULL) {
119	0	reuse_dd = 1;
120	604	} else if ((s->enc_read_ctx = EVP_CIPHER_CTX_new()) == NULL) {
121	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
122	0	goto err;
123	604	} else {
124		/*
125		* make sure it's initialised in case we exit later with an error
126		*/
127	604	EVP_CIPHER_CTX_reset(s->enc_read_ctx);
128	604	}
129	604	dd = s->enc_read_ctx;
130
131	604	if (ssl_replace_hash(&s->read_hash, m) == NULL) {
132	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
133	0	goto err;
134	0	}
135	604	#ifndef OPENSSL_NO_COMP
136		/* COMPRESS */
137	604	COMP_CTX_free(s->expand);
138	604	s->expand = NULL;
139	604	if (comp != NULL) {
140	0	s->expand = COMP_CTX_new(comp);
141	0	if (s->expand == NULL) {
142	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR,
143	0	SSL_R_COMPRESSION_LIBRARY_ERROR);
144	0	goto err;
145	0	}
146	0	}
147	604	#endif
148	604	RECORD_LAYER_reset_read_sequence(&s->rlayer);
149	604	mac_secret = &(s->s3.read_mac_secret[0]);
150	604	} else {
151	225	s->statem.enc_write_state = ENC_WRITE_STATE_INVALID;
152	225	if (s->enc_write_ctx != NULL) {
153	0	reuse_dd = 1;
154	225	} else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL) {
155	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
156	0	goto err;
157	225	} else {
158		/*
159		* make sure it's initialised in case we exit later with an error
160		*/
161	225	EVP_CIPHER_CTX_reset(s->enc_write_ctx);
162	225	}
163	225	dd = s->enc_write_ctx;
164	225	if (ssl_replace_hash(&s->write_hash, m) == NULL) {
165	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
166	0	goto err;
167	0	}
168	225	#ifndef OPENSSL_NO_COMP
169		/* COMPRESS */
170	225	COMP_CTX_free(s->compress);
171	225	s->compress = NULL;
172	225	if (comp != NULL) {
173	0	s->compress = COMP_CTX_new(comp);
174	0	if (s->compress == NULL) {
175	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR,
176	0	SSL_R_COMPRESSION_LIBRARY_ERROR);
177	0	goto err;
178	0	}
179	0	}
180	225	#endif
181	225	RECORD_LAYER_reset_write_sequence(&s->rlayer);
182	225	mac_secret = &(s->s3.write_mac_secret[0]);
183	225	}
184
185	829	if (reuse_dd)
186	0	EVP_CIPHER_CTX_reset(dd);
187
188	829	p = s->s3.tmp.key_block;
189	829	mdi = EVP_MD_get_size(m);
190	829	if (mdi < 0) {
191	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
192	0	goto err;
193	0	}
194	829	i = mdi;
195	829	cl = EVP_CIPHER_get_key_length(c);
196	829	j = cl;
197	829	k = EVP_CIPHER_get_iv_length(c);
198	829	if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) \|\|
199	829	(which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
200	660	ms = &(p[0]);
201	660	n = i + i;
202	660	key = &(p[n]);
203	660	n += j + j;
204	660	iv = &(p[n]);
205	660	n += k + k;
206	660	} else {
207	169	n = i;
208	169	ms = &(p[n]);
209	169	n += i + j;
210	169	key = &(p[n]);
211	169	n += j + k;
212	169	iv = &(p[n]);
213	169	n += k;
214	169	}
215
216	829	if (n > s->s3.tmp.key_block_length) {
217	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
218	0	goto err;
219	0	}
220
221	829	memcpy(mac_secret, ms, i);
222
223	829	if (!EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE))) {
224	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
225	0	goto err;
226	0	}
227
228		/*
229		* The cipher we actually ended up using in the EVP_CIPHER_CTX may be
230		* different to that in c if we have an ENGINE in use
231		*/
232	829	if (EVP_CIPHER_get0_provider(EVP_CIPHER_CTX_get0_cipher(dd)) != NULL
233	829	&& !tls_provider_set_tls_params(s, dd, c, m)) {
234		/* SSLfatal already called */
235	0	goto err;
236	0	}
237
238	829	s->statem.enc_write_state = ENC_WRITE_STATE_VALID;
239	829	return 1;
240	0	err:
241	0	return 0;
242	829	}
243
244		int ssl3_setup_key_block(SSL *s)
245	660	{
246	660	unsigned char *p;
247	660	const EVP_CIPHER *c;
248	660	const EVP_MD *hash;
249	660	int num;
250	660	int ret = 0;
251	660	SSL_COMP *comp;
252
253	660	if (s->s3.tmp.key_block_length != 0)
254	0	return 1;
255
256	660	if (!ssl_cipher_get_evp(s->ctx, s->session, &c, &hash, NULL, NULL, &comp,
257	660	0)) {
258		/* Error is already recorded */
259	0	SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR);
260	0	return 0;
261	0	}
262
263	660	ssl_evp_cipher_free(s->s3.tmp.new_sym_enc);
264	660	s->s3.tmp.new_sym_enc = c;
265	660	ssl_evp_md_free(s->s3.tmp.new_hash);
266	660	s->s3.tmp.new_hash = hash;
267		#ifdef OPENSSL_NO_COMP
268		s->s3.tmp.new_compression = NULL;
269		#else
270	660	s->s3.tmp.new_compression = comp;
271	660	#endif
272
273	660	num = EVP_MD_get_size(hash);
274	660	if (num < 0)
275	0	return 0;
276
277	660	num = EVP_CIPHER_get_key_length(c) + num + EVP_CIPHER_get_iv_length(c);
278	660	num *= 2;
279
280	660	ssl3_cleanup_key_block(s);
281
282	660	if ((p = OPENSSL_malloc(num)) == NULL) {
283	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
284	0	return 0;
285	0	}
286
287	660	s->s3.tmp.key_block_length = num;
288	660	s->s3.tmp.key_block = p;
289
290		/* Calls SSLfatal() as required */
291	660	ret = ssl3_generate_key_block(s, p, num);
292
293	660	if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)) {
294		/*
295		* enable vulnerability countermeasure for CBC ciphers with known-IV
296		* problem (http://www.openssl.org/~bodo/tls-cbc.txt)
297		*/
298	660	s->s3.need_empty_fragments = 1;
299
300	660	if (s->session->cipher != NULL) {
301	660	if (s->session->cipher->algorithm_enc == SSL_eNULL)
302	370	s->s3.need_empty_fragments = 0;
303
304	660	if (s->session->cipher->algorithm_enc == SSL_RC4)
305	0	s->s3.need_empty_fragments = 0;
306	660	}
307	660	}
308
309	660	return ret;
310	660	}
311
312		void ssl3_cleanup_key_block(SSL *s)
313	414k	{
314	414k	OPENSSL_clear_free(s->s3.tmp.key_block, s->s3.tmp.key_block_length);
315	414k	s->s3.tmp.key_block = NULL;
316	414k	s->s3.tmp.key_block_length = 0;
317	414k	}
318
319		int ssl3_init_finished_mac(SSL *s)
320	149k	{
321	149k	BIO *buf = BIO_new(BIO_s_mem());
322
323	149k	if (buf == NULL) {
324	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
325	0	return 0;
326	0	}
327	149k	ssl3_free_digest_list(s);
328	149k	s->s3.handshake_buffer = buf;
329	149k	(void)BIO_set_close(s->s3.handshake_buffer, BIO_CLOSE);
330	149k	return 1;
331	149k	}
332
333		/*
334		* Free digest list. Also frees handshake buffer since they are always freed
335		* together.
336		*/
337
338		void ssl3_free_digest_list(SSL *s)
339	545k	{
340	545k	BIO_free(s->s3.handshake_buffer);
341	545k	s->s3.handshake_buffer = NULL;
342	545k	EVP_MD_CTX_free(s->s3.handshake_dgst);
343	545k	s->s3.handshake_dgst = NULL;
344	545k	}
345
346		int ssl3_finish_mac(SSL s, const unsigned char buf, size_t len)
347	348k	{
348	348k	int ret;
349
350	348k	if (s->s3.handshake_dgst == NULL) {
351		/* Note: this writes to a memory BIO so a failure is a fatal error */
352	231k	if (len > INT_MAX) {
353	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_OVERFLOW_ERROR);
354	0	return 0;
355	0	}
356	231k	ret = BIO_write(s->s3.handshake_buffer, (void *)buf, (int)len);
357	231k	if (ret <= 0 \|\| ret != (int)len) {
358	3	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
359	3	return 0;
360	3	}
361	231k	} else {
362	117k	ret = EVP_DigestUpdate(s->s3.handshake_dgst, buf, len);
363	117k	if (!ret) {
364	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
365	0	return 0;
366	0	}
367	117k	}
368	348k	return 1;
369	348k	}
370
371		int ssl3_digest_cached_records(SSL *s, int keep)
372	102k	{
373	102k	const EVP_MD *md;
374	102k	long hdatalen;
375	102k	void *hdata;
376
377	102k	if (s->s3.handshake_dgst == NULL) {
378	32.2k	hdatalen = BIO_get_mem_data(s->s3.handshake_buffer, &hdata);
379	32.2k	if (hdatalen <= 0) {
380	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_HANDSHAKE_LENGTH);
381	0	return 0;
382	0	}
383
384	32.2k	s->s3.handshake_dgst = EVP_MD_CTX_new();
385	32.2k	if (s->s3.handshake_dgst == NULL) {
386	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
387	0	return 0;
388	0	}
389
390	32.2k	md = ssl_handshake_md(s);
391	32.2k	if (md == NULL) {
392	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR,
393	0	SSL_R_NO_SUITABLE_DIGEST_ALGORITHM);
394	0	return 0;
395	0	}
396	32.2k	if (!EVP_DigestInit_ex(s->s3.handshake_dgst, md, NULL)
397	32.2k	\|\| !EVP_DigestUpdate(s->s3.handshake_dgst, hdata, hdatalen)) {
398	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
399	0	return 0;
400	0	}
401	32.2k	}
402	102k	if (keep == 0) {
403	46.4k	BIO_free(s->s3.handshake_buffer);
404	46.4k	s->s3.handshake_buffer = NULL;
405	46.4k	}
406
407	102k	return 1;
408	102k	}
409
410		void ssl3_digest_master_key_set_params(const SSL_SESSION *session,
411		OSSL_PARAM params[])
412	1.51k	{
413	1.51k	int n = 0;
414	1.51k	params[n++] = OSSL_PARAM_construct_octet_string(OSSL_DIGEST_PARAM_SSL3_MS,
415	1.51k	(void *)session->master_key,
416	1.51k	session->master_key_length);
417	1.51k	params[n++] = OSSL_PARAM_construct_end();
418	1.51k	}
419
420		size_t ssl3_final_finish_mac(SSL s, const char sender, size_t len,
421		unsigned char *p)
422	1.51k	{
423	1.51k	int ret;
424	1.51k	EVP_MD_CTX *ctx = NULL;
425
426	1.51k	if (!ssl3_digest_cached_records(s, 0)) {
427		/* SSLfatal() already called */
428	0	return 0;
429	0	}
430
431	1.51k	if (EVP_MD_CTX_get_type(s->s3.handshake_dgst) != NID_md5_sha1) {
432	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_REQUIRED_DIGEST);
433	0	return 0;
434	0	}
435
436	1.51k	ctx = EVP_MD_CTX_new();
437	1.51k	if (ctx == NULL) {
438	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
439	0	return 0;
440	0	}
441	1.51k	if (!EVP_MD_CTX_copy_ex(ctx, s->s3.handshake_dgst)) {
442	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
443	0	ret = 0;
444	0	goto err;
445	0	}
446
447	1.51k	ret = EVP_MD_CTX_get_size(ctx);
448	1.51k	if (ret < 0) {
449	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
450	0	ret = 0;
451	0	goto err;
452	0	}
453
454	1.51k	if (sender != NULL) {
455	1.51k	OSSL_PARAM digest_cmd_params[3];
456
457	1.51k	ssl3_digest_master_key_set_params(s->session, digest_cmd_params);
458
459	1.51k	if (EVP_DigestUpdate(ctx, sender, len) <= 0
460	1.51k	\|\| EVP_MD_CTX_set_params(ctx, digest_cmd_params) <= 0
461	1.51k	\|\| EVP_DigestFinal_ex(ctx, p, NULL) <= 0) {
462	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
463	0	ret = 0;
464	0	}
465	1.51k	}
466
467	1.51k	err:
468	1.51k	EVP_MD_CTX_free(ctx);
469
470	1.51k	return ret;
471	1.51k	}
472
473		int ssl3_generate_master_secret(SSL s, unsigned char out, unsigned char *p,
474		size_t len, size_t *secret_size)
475	3.57k	{
476	3.57k	static const unsigned char *salt[3] = {
477	3.57k	#ifndef CHARSET_EBCDIC
478	3.57k	(const unsigned char *)"A",
479	3.57k	(const unsigned char *)"BB",
480	3.57k	(const unsigned char *)"CCC",
481		#else
482		(const unsigned char *)"\x41",
483		(const unsigned char *)"\x42\x42",
484		(const unsigned char *)"\x43\x43\x43",
485		#endif
486	3.57k	};
487	3.57k	unsigned char buf[EVP_MAX_MD_SIZE];
488	3.57k	EVP_MD_CTX *ctx = EVP_MD_CTX_new();
489	3.57k	int i, ret = 1;
490	3.57k	unsigned int n;
491	3.57k	size_t ret_secret_size = 0;
492
493	3.57k	if (ctx == NULL) {
494	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
495	0	return 0;
496	0	}
497	14.2k	for (i = 0; i < 3; i++) {
498	10.7k	if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0
499	10.7k	\|\| EVP_DigestUpdate(ctx, salt[i],
500	10.7k	strlen((const char *)salt[i])) <= 0
501	10.7k	\|\| EVP_DigestUpdate(ctx, p, len) <= 0
502	10.7k	\|\| EVP_DigestUpdate(ctx, &(s->s3.client_random[0]),
503	10.7k	SSL3_RANDOM_SIZE) <= 0
504	10.7k	\|\| EVP_DigestUpdate(ctx, &(s->s3.server_random[0]),
505	10.7k	SSL3_RANDOM_SIZE) <= 0
506	10.7k	\|\| EVP_DigestFinal_ex(ctx, buf, &n) <= 0
507	10.7k	\|\| EVP_DigestInit_ex(ctx, s->ctx->md5, NULL) <= 0
508	10.7k	\|\| EVP_DigestUpdate(ctx, p, len) <= 0
509	10.7k	\|\| EVP_DigestUpdate(ctx, buf, n) <= 0
510	10.7k	\|\| EVP_DigestFinal_ex(ctx, out, &n) <= 0) {
511	0	SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
512	0	ret = 0;
513	0	break;
514	0	}
515	10.7k	out += n;
516	10.7k	ret_secret_size += n;
517	10.7k	}
518	3.57k	EVP_MD_CTX_free(ctx);
519
520	3.57k	OPENSSL_cleanse(buf, sizeof(buf));
521	3.57k	if (ret)
522	3.57k	*secret_size = ret_secret_size;
523	3.57k	return ret;
524	3.57k	}
525
526		int ssl3_alert_code(int code)
527	5.84k	{
528	5.84k	switch (code) {
529	0	case SSL_AD_CLOSE_NOTIFY:
530	0	return SSL3_AD_CLOSE_NOTIFY;
531	704	case SSL_AD_UNEXPECTED_MESSAGE:
532	704	return SSL3_AD_UNEXPECTED_MESSAGE;
533	675	case SSL_AD_BAD_RECORD_MAC:
534	675	return SSL3_AD_BAD_RECORD_MAC;
535	0	case SSL_AD_DECRYPTION_FAILED:
536	0	return SSL3_AD_BAD_RECORD_MAC;
537	48	case SSL_AD_RECORD_OVERFLOW:
538	48	return SSL3_AD_BAD_RECORD_MAC;
539	0	case SSL_AD_DECOMPRESSION_FAILURE:
540	0	return SSL3_AD_DECOMPRESSION_FAILURE;
541	144	case SSL_AD_HANDSHAKE_FAILURE:
542	144	return SSL3_AD_HANDSHAKE_FAILURE;
543	60	case SSL_AD_NO_CERTIFICATE:
544	60	return SSL3_AD_NO_CERTIFICATE;
545	707	case SSL_AD_BAD_CERTIFICATE:
546	707	return SSL3_AD_BAD_CERTIFICATE;
547	0	case SSL_AD_UNSUPPORTED_CERTIFICATE:
548	0	return SSL3_AD_UNSUPPORTED_CERTIFICATE;
549	0	case SSL_AD_CERTIFICATE_REVOKED:
550	0	return SSL3_AD_CERTIFICATE_REVOKED;
551	0	case SSL_AD_CERTIFICATE_EXPIRED:
552	0	return SSL3_AD_CERTIFICATE_EXPIRED;
553	0	case SSL_AD_CERTIFICATE_UNKNOWN:
554	0	return SSL3_AD_CERTIFICATE_UNKNOWN;
555	987	case SSL_AD_ILLEGAL_PARAMETER:
556	987	return SSL3_AD_ILLEGAL_PARAMETER;
557	0	case SSL_AD_UNKNOWN_CA:
558	0	return SSL3_AD_BAD_CERTIFICATE;
559	0	case SSL_AD_ACCESS_DENIED:
560	0	return SSL3_AD_HANDSHAKE_FAILURE;
561	1.84k	case SSL_AD_DECODE_ERROR:
562	1.84k	return SSL3_AD_HANDSHAKE_FAILURE;
563	210	case SSL_AD_DECRYPT_ERROR:
564	210	return SSL3_AD_HANDSHAKE_FAILURE;
565	0	case SSL_AD_EXPORT_RESTRICTION:
566	0	return SSL3_AD_HANDSHAKE_FAILURE;
567	250	case SSL_AD_PROTOCOL_VERSION:
568	250	return SSL3_AD_HANDSHAKE_FAILURE;
569	0	case SSL_AD_INSUFFICIENT_SECURITY:
570	0	return SSL3_AD_HANDSHAKE_FAILURE;
571	201	case SSL_AD_INTERNAL_ERROR:
572	201	return SSL3_AD_HANDSHAKE_FAILURE;
573	0	case SSL_AD_USER_CANCELLED:
574	0	return SSL3_AD_HANDSHAKE_FAILURE;
575	0	case SSL_AD_NO_RENEGOTIATION:
576	0	return -1; /* Don't send it :-) */
577	3	case SSL_AD_UNSUPPORTED_EXTENSION:
578	3	return SSL3_AD_HANDSHAKE_FAILURE;
579	0	case SSL_AD_CERTIFICATE_UNOBTAINABLE:
580	0	return SSL3_AD_HANDSHAKE_FAILURE;
581	0	case SSL_AD_UNRECOGNIZED_NAME:
582	0	return SSL3_AD_HANDSHAKE_FAILURE;
583	0	case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
584	0	return SSL3_AD_HANDSHAKE_FAILURE;
585	0	case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
586	0	return SSL3_AD_HANDSHAKE_FAILURE;
587	0	case SSL_AD_UNKNOWN_PSK_IDENTITY:
588	0	return TLS1_AD_UNKNOWN_PSK_IDENTITY;
589	10	case SSL_AD_INAPPROPRIATE_FALLBACK:
590	10	return TLS1_AD_INAPPROPRIATE_FALLBACK;
591	0	case SSL_AD_NO_APPLICATION_PROTOCOL:
592	0	return TLS1_AD_NO_APPLICATION_PROTOCOL;
593	0	case SSL_AD_CERTIFICATE_REQUIRED:
594	0	return SSL_AD_HANDSHAKE_FAILURE;
595	4	case TLS13_AD_MISSING_EXTENSION:
596	4	return SSL_AD_HANDSHAKE_FAILURE;
597	0	default:
598	0	return -1;
599	5.84k	}
600	5.84k	}