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https://github.com/moparisthebest/curl
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gnutls: assume nettle crypto support
nettle has been the default crypto library with GnuTLS since 2010. By dropping support for the previous libcrypto, we simplify code. Closes #6625
This commit is contained in:
Daniel Stenberg
parent
692faeab9f
commit
e06fa7462a
17
configure.ac
17
configure.ac
@ -2228,26 +2228,15 @@ if test "$GNUTLS_ENABLED" = "1"; then
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USE_GNUTLS_NETTLE=
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# First check if we can detect either crypto library via transitive linking
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AC_CHECK_LIB(gnutls, nettle_MD5Init, [ USE_GNUTLS_NETTLE=1 ])
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if test "$USE_GNUTLS_NETTLE" = ""; then
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AC_CHECK_LIB(gnutls, gcry_control, [ USE_GNUTLS_NETTLE=0 ])
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fi
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# If not, try linking directly to both of them to see if they are available
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if test "$USE_GNUTLS_NETTLE" = ""; then
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AC_CHECK_LIB(nettle, nettle_MD5Init, [ USE_GNUTLS_NETTLE=1 ])
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fi
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if test "$USE_GNUTLS_NETTLE" = ""; then
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AC_CHECK_LIB(gcrypt, gcry_control, [ USE_GNUTLS_NETTLE=0 ])
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fi
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if test "$USE_GNUTLS_NETTLE" = ""; then
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AC_MSG_ERROR([GnuTLS found, but neither gcrypt nor nettle found])
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fi
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if test "$USE_GNUTLS_NETTLE" = "1"; then
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AC_DEFINE(USE_GNUTLS_NETTLE, 1, [if GnuTLS uses nettle as crypto backend])
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AC_SUBST(USE_GNUTLS_NETTLE, [1])
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LIBS="-lnettle $LIBS"
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else
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LIBS="-lgcrypt $LIBS"
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AC_MSG_ERROR([GnuTLS found, but nettle was not found])
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fi
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LIBS="-lnettle $LIBS"
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fi
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dnl ---
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@ -5,7 +5,7 @@
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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* Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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@ -34,13 +34,12 @@
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/* Please keep the SSL backend-specific #if branches in this order:
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1. USE_OPENSSL
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2. USE_GNUTLS_NETTLE
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3. USE_GNUTLS
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4. USE_NSS
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5. USE_MBEDTLS
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6. USE_SECTRANSP
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7. USE_OS400CRYPTO
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8. USE_WIN32_CRYPTO
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2. USE_GNUTLS
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3. USE_NSS
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4. USE_MBEDTLS
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5. USE_SECTRANSP
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6. USE_OS400CRYPTO
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7. USE_WIN32_CRYPTO
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This ensures that:
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- the same SSL branch gets activated throughout this source
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@ -74,13 +73,9 @@
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# define DESKEY(x) &x
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# endif
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#elif defined(USE_GNUTLS_NETTLE)
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# include <nettle/des.h>
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#elif defined(USE_GNUTLS)
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# include <gcrypt.h>
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# include <nettle/des.h>
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#elif defined(USE_NSS)
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@ -159,7 +154,7 @@ static void setup_des_key(const unsigned char *key_56,
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DES_set_key(&key, ks);
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}
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#elif defined(USE_GNUTLS_NETTLE)
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#elif defined(USE_GNUTLS)
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static void setup_des_key(const unsigned char *key_56,
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struct des_ctx *des)
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@ -176,26 +171,6 @@ static void setup_des_key(const unsigned char *key_56,
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des_set_key(des, (const uint8_t *) key);
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}
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#elif defined(USE_GNUTLS)
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/*
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* Turns a 56 bit key into the 64 bit, odd parity key and sets the key.
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*/
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static void setup_des_key(const unsigned char *key_56,
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gcry_cipher_hd_t *des)
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{
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char key[8];
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/* Expand the 56-bit key to 64-bits */
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extend_key_56_to_64(key_56, key);
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/* Set the key parity to odd */
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Curl_des_set_odd_parity((unsigned char *) key, sizeof(key));
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/* Set the key */
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gcry_cipher_setkey(*des, key, sizeof(key));
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}
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#elif defined(USE_NSS)
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/*
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@ -402,7 +377,7 @@ void Curl_ntlm_core_lm_resp(const unsigned char *keys,
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setup_des_key(keys + 14, DESKEY(ks));
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DES_ecb_encrypt((DES_cblock*) plaintext, (DES_cblock*) (results + 16),
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DESKEY(ks), DES_ENCRYPT);
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#elif defined(USE_GNUTLS_NETTLE)
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#elif defined(USE_GNUTLS)
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struct des_ctx des;
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setup_des_key(keys, &des);
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des_encrypt(&des, 8, results, plaintext);
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@ -410,23 +385,6 @@ void Curl_ntlm_core_lm_resp(const unsigned char *keys,
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des_encrypt(&des, 8, results + 8, plaintext);
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setup_des_key(keys + 14, &des);
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des_encrypt(&des, 8, results + 16, plaintext);
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#elif defined(USE_GNUTLS)
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gcry_cipher_hd_t des;
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gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
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setup_des_key(keys, &des);
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gcry_cipher_encrypt(des, results, 8, plaintext, 8);
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gcry_cipher_close(des);
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gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
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setup_des_key(keys + 7, &des);
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gcry_cipher_encrypt(des, results + 8, 8, plaintext, 8);
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gcry_cipher_close(des);
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gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
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setup_des_key(keys + 14, &des);
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gcry_cipher_encrypt(des, results + 16, 8, plaintext, 8);
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gcry_cipher_close(des);
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#elif defined(USE_NSS) || defined(USE_MBEDTLS) || defined(USE_SECTRANSP) \
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|| defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO)
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encrypt_des(plaintext, results, keys);
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@ -473,24 +431,12 @@ CURLcode Curl_ntlm_core_mk_lm_hash(struct Curl_easy *data,
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setup_des_key(pw + 7, DESKEY(ks));
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DES_ecb_encrypt((DES_cblock *)magic, (DES_cblock *)(lmbuffer + 8),
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DESKEY(ks), DES_ENCRYPT);
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#elif defined(USE_GNUTLS_NETTLE)
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#elif defined(USE_GNUTLS)
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struct des_ctx des;
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setup_des_key(pw, &des);
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des_encrypt(&des, 8, lmbuffer, magic);
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setup_des_key(pw + 7, &des);
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des_encrypt(&des, 8, lmbuffer + 8, magic);
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#elif defined(USE_GNUTLS)
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gcry_cipher_hd_t des;
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gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
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setup_des_key(pw, &des);
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gcry_cipher_encrypt(des, lmbuffer, 8, magic, 8);
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gcry_cipher_close(des);
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gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
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setup_des_key(pw + 7, &des);
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gcry_cipher_encrypt(des, lmbuffer + 8, 8, magic, 8);
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gcry_cipher_close(des);
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#elif defined(USE_NSS) || defined(USE_MBEDTLS) || defined(USE_SECTRANSP) \
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|| defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO)
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encrypt_des(magic, lmbuffer, pw);
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31
lib/md4.c
31
lib/md4.c
@ -5,7 +5,7 @@
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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* Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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@ -44,7 +44,7 @@
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#endif
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#endif /* USE_MBEDTLS */
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#if defined(USE_GNUTLS_NETTLE)
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#if defined(USE_GNUTLS)
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#include <nettle/md4.h>
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@ -70,33 +70,6 @@ static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
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md4_digest(ctx, MD4_DIGEST_SIZE, result);
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}
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#elif defined(USE_GNUTLS)
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#include <gcrypt.h>
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#include "curl_memory.h"
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/* The last #include file should be: */
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#include "memdebug.h"
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typedef gcry_md_hd_t MD4_CTX;
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static void MD4_Init(MD4_CTX *ctx)
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{
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gcry_md_open(ctx, GCRY_MD_MD4, 0);
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}
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static void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size)
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{
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gcry_md_write(*ctx, data, size);
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}
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static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
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{
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memcpy(result, gcry_md_read(*ctx, 0), MD4_DIGEST_LENGTH);
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gcry_md_close(*ctx);
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}
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#elif defined(USE_OPENSSL) && !defined(OPENSSL_NO_MD4)
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/* When OpenSSL is available we use the MD4-functions from OpenSSL */
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#include <openssl/md4.h>
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31
lib/md5.c
31
lib/md5.c
@ -5,7 +5,7 @@
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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* Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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@ -38,7 +38,7 @@
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#endif
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#endif /* USE_MBEDTLS */
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#if defined(USE_GNUTLS_NETTLE)
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#if defined(USE_GNUTLS)
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#include <nettle/md5.h>
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#include "curl_memory.h"
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@ -64,33 +64,6 @@ static void MD5_Final(unsigned char *digest, MD5_CTX *ctx)
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md5_digest(ctx, 16, digest);
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}
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#elif defined(USE_GNUTLS)
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#include <gcrypt.h>
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#include "curl_memory.h"
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/* The last #include file should be: */
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#include "memdebug.h"
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typedef gcry_md_hd_t MD5_CTX;
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static void MD5_Init(MD5_CTX *ctx)
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{
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gcry_md_open(ctx, GCRY_MD_MD5, 0);
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}
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static void MD5_Update(MD5_CTX *ctx,
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const unsigned char *input,
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unsigned int inputLen)
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{
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gcry_md_write(*ctx, input, inputLen);
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}
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static void MD5_Final(unsigned char *digest, MD5_CTX *ctx)
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{
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memcpy(digest, gcry_md_read(*ctx, 0), 16);
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gcry_md_close(*ctx);
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}
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#elif defined(USE_OPENSSL) && !defined(USE_AMISSL)
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/* When OpenSSL is available we use the MD5-function from OpenSSL */
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#include <openssl/md5.h>
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42
lib/sha256.c
42
lib/sha256.c
@ -6,7 +6,7 @@
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 2017, Florin Petriuc, <petriuc.florin@gmail.com>
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* Copyright (C) 2018 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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* Copyright (C) 2018 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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@ -50,11 +50,10 @@
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/* Please keep the SSL backend-specific #if branches in this order:
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*
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* 1. USE_OPENSSL
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* 2. USE_GNUTLS_NETTLE
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* 3. USE_GNUTLS
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* 4. USE_MBEDTLS
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* 5. USE_COMMON_CRYPTO
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* 6. USE_WIN32_CRYPTO
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* 2. USE_GNUTLS
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* 3. USE_MBEDTLS
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* 4. USE_COMMON_CRYPTO
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* 5. USE_WIN32_CRYPTO
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*
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* This ensures that the same SSL branch gets activated throughout this source
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* file even if multiple backends are enabled at the same time.
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@ -65,7 +64,7 @@
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/* When OpenSSL is available we use the SHA256-function from OpenSSL */
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#include <openssl/sha.h>
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#elif defined(USE_GNUTLS_NETTLE)
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#elif defined(USE_GNUTLS)
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#include <nettle/sha.h>
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@ -93,35 +92,6 @@ static void SHA256_Final(unsigned char *digest, SHA256_CTX *ctx)
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sha256_digest(ctx, SHA256_DIGEST_SIZE, digest);
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}
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#elif defined(USE_GNUTLS)
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#include <gcrypt.h>
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#include "curl_memory.h"
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/* The last #include file should be: */
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#include "memdebug.h"
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typedef gcry_md_hd_t SHA256_CTX;
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static void SHA256_Init(SHA256_CTX *ctx)
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{
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gcry_md_open(ctx, GCRY_MD_SHA256, 0);
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}
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static void SHA256_Update(SHA256_CTX *ctx,
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const unsigned char *data,
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unsigned int length)
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{
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gcry_md_write(*ctx, data, length);
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}
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static void SHA256_Final(unsigned char *digest, SHA256_CTX *ctx)
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{
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memcpy(digest, gcry_md_read(*ctx, 0), SHA256_DIGEST_LENGTH);
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gcry_md_close(*ctx);
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}
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#elif defined(USE_MBEDTLS)
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#include <mbedtls/sha256.h>
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@ -35,14 +35,8 @@
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#include <gnutls/abstract.h>
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#include <gnutls/gnutls.h>
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#include <gnutls/x509.h>
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#ifdef USE_GNUTLS_NETTLE
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#include <gnutls/crypto.h>
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#include <nettle/md5.h>
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#include <nettle/sha2.h>
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#else
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#include <gcrypt.h>
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#endif
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#include "urldata.h"
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#include "sendf.h"
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@ -1583,39 +1577,14 @@ static size_t gtls_version(char *buffer, size_t size)
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return msnprintf(buffer, size, "GnuTLS/%s", gnutls_check_version(NULL));
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}
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#ifndef USE_GNUTLS_NETTLE
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static int gtls_seed(struct Curl_easy *data)
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{
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/* we have the "SSL is seeded" boolean static to prevent multiple
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time-consuming seedings in vain */
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static bool ssl_seeded = FALSE;
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/* Quickly add a bit of entropy */
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gcry_fast_random_poll();
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if(!ssl_seeded || data->set.str[STRING_SSL_RANDOM_FILE] ||
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data->set.str[STRING_SSL_EGDSOCKET]) {
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ssl_seeded = TRUE;
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}
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return 0;
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}
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#endif
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/* data might be NULL! */
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static CURLcode gtls_random(struct Curl_easy *data,
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unsigned char *entropy, size_t length)
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{
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#if defined(USE_GNUTLS_NETTLE)
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int rc;
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(void)data;
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rc = gnutls_rnd(GNUTLS_RND_RANDOM, entropy, length);
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return rc?CURLE_FAILED_INIT:CURLE_OK;
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#elif defined(USE_GNUTLS)
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if(data)
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gtls_seed(data); /* Initiate the seed if not already done */
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gcry_randomize(entropy, length, GCRY_STRONG_RANDOM);
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#endif
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return CURLE_OK;
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}
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static CURLcode gtls_sha256sum(const unsigned char *tmp, /* input */
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@ -1623,18 +1592,10 @@ static CURLcode gtls_sha256sum(const unsigned char *tmp, /* input */
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unsigned char *sha256sum, /* output */
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size_t sha256len)
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{
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#if defined(USE_GNUTLS_NETTLE)
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struct sha256_ctx SHA256pw;
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sha256_init(&SHA256pw);
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sha256_update(&SHA256pw, (unsigned int)tmplen, tmp);
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sha256_digest(&SHA256pw, (unsigned int)sha256len, sha256sum);
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#elif defined(USE_GNUTLS)
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gcry_md_hd_t SHA256pw;
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gcry_md_open(&SHA256pw, GCRY_MD_SHA256, 0);
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gcry_md_write(SHA256pw, tmp, tmplen);
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memcpy(sha256sum, gcry_md_read(SHA256pw, 0), sha256len);
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gcry_md_close(SHA256pw);
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#endif
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return CURLE_OK;
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}
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