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https://github.com/NLnetLabs/unbound.git
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- Move RSA and DSA to use OpenSSL 3.0.0 API.
This commit is contained in:
parent
60663c766a
commit
d242bfb73b
@ -429,6 +429,9 @@
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/* Define to 1 if you have the `OPENSSL_init_ssl' function. */
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#undef HAVE_OPENSSL_INIT_SSL
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/* Define to 1 if you have the <openssl/param_build.h> header file. */
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#undef HAVE_OPENSSL_PARAM_BUILD_H
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/* Define to 1 if you have the <openssl/rand.h> header file. */
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#undef HAVE_OPENSSL_RAND_H
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@ -438,6 +441,9 @@
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/* Define to 1 if you have the <openssl/ssl.h> header file. */
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#undef HAVE_OPENSSL_SSL_H
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/* Define to 1 if you have the `OSSL_PARAM_BLD_new' function. */
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#undef HAVE_OSSL_PARAM_BLD_NEW
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/* Define if you have POSIX threads libraries and header files. */
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#undef HAVE_PTHREAD
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4
configure
vendored
4
configure
vendored
@ -18411,7 +18411,7 @@ else
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
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$as_echo "no" >&6; }
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fi
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for ac_header in openssl/conf.h openssl/engine.h openssl/bn.h openssl/dh.h openssl/dsa.h openssl/rsa.h openssl/core_names.h
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for ac_header in openssl/conf.h openssl/engine.h openssl/bn.h openssl/dh.h openssl/dsa.h openssl/rsa.h openssl/core_names.h openssl/param_build.h
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do :
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as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
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ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
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@ -18425,7 +18425,7 @@ fi
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done
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for ac_func in OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode EVP_MD_CTX_new OpenSSL_add_all_digests OPENSSL_init_crypto EVP_cleanup ENGINE_cleanup ERR_load_crypto_strings CRYPTO_cleanup_all_ex_data ERR_free_strings RAND_cleanup DSA_SIG_set0 EVP_dss1 EVP_DigestVerify EVP_aes_256_cbc EVP_EncryptInit_ex HMAC_Init_ex CRYPTO_THREADID_set_callback EVP_MAC_CTX_set_params
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for ac_func in OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode EVP_MD_CTX_new OpenSSL_add_all_digests OPENSSL_init_crypto EVP_cleanup ENGINE_cleanup ERR_load_crypto_strings CRYPTO_cleanup_all_ex_data ERR_free_strings RAND_cleanup DSA_SIG_set0 EVP_dss1 EVP_DigestVerify EVP_aes_256_cbc EVP_EncryptInit_ex HMAC_Init_ex CRYPTO_THREADID_set_callback EVP_MAC_CTX_set_params OSSL_PARAM_BLD_new
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do :
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as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
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ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
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@ -859,8 +859,8 @@ if grep VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/
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else
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AC_MSG_RESULT([no])
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fi
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AC_CHECK_HEADERS([openssl/conf.h openssl/engine.h openssl/bn.h openssl/dh.h openssl/dsa.h openssl/rsa.h openssl/core_names.h],,, [AC_INCLUDES_DEFAULT])
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AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode EVP_MD_CTX_new OpenSSL_add_all_digests OPENSSL_init_crypto EVP_cleanup ENGINE_cleanup ERR_load_crypto_strings CRYPTO_cleanup_all_ex_data ERR_free_strings RAND_cleanup DSA_SIG_set0 EVP_dss1 EVP_DigestVerify EVP_aes_256_cbc EVP_EncryptInit_ex HMAC_Init_ex CRYPTO_THREADID_set_callback EVP_MAC_CTX_set_params])
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AC_CHECK_HEADERS([openssl/conf.h openssl/engine.h openssl/bn.h openssl/dh.h openssl/dsa.h openssl/rsa.h openssl/core_names.h openssl/param_build.h],,, [AC_INCLUDES_DEFAULT])
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AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode EVP_MD_CTX_new OpenSSL_add_all_digests OPENSSL_init_crypto EVP_cleanup ENGINE_cleanup ERR_load_crypto_strings CRYPTO_cleanup_all_ex_data ERR_free_strings RAND_cleanup DSA_SIG_set0 EVP_dss1 EVP_DigestVerify EVP_aes_256_cbc EVP_EncryptInit_ex HMAC_Init_ex CRYPTO_THREADID_set_callback EVP_MAC_CTX_set_params OSSL_PARAM_BLD_new])
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# these check_funcs need -lssl
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BAKLIBS="$LIBS"
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@ -1,6 +1,7 @@
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2 August 2021: Wouter
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- Prepare for OpenSSL 3.0.0 provider API usage, move the sldns
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keyraw functions to produce EVP_PKEY results.
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- Move RSA and DSA to use OpenSSL 3.0.0 API.
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30 July 2021: Wouter
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- Fix #515: Compilation against openssl 3.0.0 beta2 is failing to
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246
sldns/keyraw.c
246
sldns/keyraw.c
@ -26,11 +26,15 @@
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#ifdef HAVE_OPENSSL_BN_H
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#include <openssl/bn.h>
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#endif
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#ifdef HAVE_OPENSSL_RSA_H
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#include <openssl/rsa.h>
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#endif
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#ifdef HAVE_OPENSSL_DSA_H
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#include <openssl/dsa.h>
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#ifdef HAVE_OPENSSL_PARAM_BUILD_H
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# include <openssl/param_build.h>
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#else
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# ifdef HAVE_OPENSSL_RSA_H
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# include <openssl/rsa.h>
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# endif
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# ifdef HAVE_OPENSSL_DSA_H
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# include <openssl/dsa.h>
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# endif
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#endif
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#endif /* HAVE_SSL */
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@ -191,45 +195,59 @@ void sldns_key_EVP_unload_gost(void)
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}
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#endif /* USE_GOST */
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DSA *
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sldns_key_buf2dsa_raw(unsigned char* key, size_t len)
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/* Retrieve params as BIGNUM from raw buffer */
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static int
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sldns_key_dsa_buf_bignum(unsigned char* key, size_t len, BIGNUM** p,
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BIGNUM** q, BIGNUM** g, BIGNUM** y)
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{
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uint8_t T;
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uint16_t length;
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uint16_t offset;
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DSA *dsa;
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BIGNUM *Q; BIGNUM *P;
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BIGNUM *G; BIGNUM *Y;
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if(len == 0)
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return NULL;
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return 0;
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T = (uint8_t)key[0];
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length = (64 + T * 8);
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offset = 1;
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if (T > 8) {
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return NULL;
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return 0;
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}
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if(len < (size_t)1 + SHA_DIGEST_LENGTH + 3*length)
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return NULL;
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return 0;
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Q = BN_bin2bn(key+offset, SHA_DIGEST_LENGTH, NULL);
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*q = BN_bin2bn(key+offset, SHA_DIGEST_LENGTH, NULL);
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offset += SHA_DIGEST_LENGTH;
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P = BN_bin2bn(key+offset, (int)length, NULL);
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*p = BN_bin2bn(key+offset, (int)length, NULL);
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offset += length;
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G = BN_bin2bn(key+offset, (int)length, NULL);
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*g = BN_bin2bn(key+offset, (int)length, NULL);
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offset += length;
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Y = BN_bin2bn(key+offset, (int)length, NULL);
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*y = BN_bin2bn(key+offset, (int)length, NULL);
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if(!*q || !*p || !*g || !*y) {
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BN_free(*q);
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BN_free(*p);
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BN_free(*g);
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BN_free(*y);
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return 0;
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}
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return 1;
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}
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#ifndef HAVE_OSSL_PARAM_BLD_NEW
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DSA *
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sldns_key_buf2dsa_raw(unsigned char* key, size_t len)
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{
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DSA *dsa;
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BIGNUM *Q=NULL, *P=NULL, *G=NULL, *Y=NULL;
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if(!sldns_key_dsa_buf_bignum(key, len, &P, &Q, &G, &Y)) {
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return NULL;
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}
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/* create the key and set its properties */
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if(!Q || !P || !G || !Y || !(dsa = DSA_new())) {
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BN_free(Q);
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BN_free(P);
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BN_free(G);
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BN_free(Y);
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if(!(dsa = DSA_new())) {
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return NULL;
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}
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#if OPENSSL_VERSION_NUMBER < 0x10100000 || defined(HAVE_LIBRESSL)
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@ -261,42 +279,110 @@ sldns_key_buf2dsa_raw(unsigned char* key, size_t len)
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return dsa;
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}
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#endif /* HAVE_OSSL_PARAM_BLD_NEW */
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EVP_PKEY *sldns_key_dsa2pkey_raw(unsigned char* key, size_t len)
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{
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#ifdef HAVE_OSSL_PARAM_BLD_NEW
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EVP_PKEY* evp_key = NULL;
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EVP_PKEY_CTX* ctx;
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BIGNUM *p=NULL, *q=NULL, *g=NULL, *y=NULL;
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OSSL_PARAM_BLD* param_bld;
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OSSL_PARAM* params = NULL;
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if(!sldns_key_dsa_buf_bignum(key, len, &p, &q, &g, &y)) {
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return NULL;
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}
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param_bld = OSSL_PARAM_BLD_new();
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if(!param_bld) {
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BN_free(p);
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BN_free(q);
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BN_free(g);
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BN_free(y);
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return NULL;
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}
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if(!OSSL_PARAM_BLD_push_BN(param_bld, "p", p) ||
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!OSSL_PARAM_BLD_push_BN(param_bld, "g", g) ||
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!OSSL_PARAM_BLD_push_BN(param_bld, "q", q) ||
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!OSSL_PARAM_BLD_push_BN(param_bld, "pub", y)) {
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OSSL_PARAM_BLD_free(param_bld);
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BN_free(p);
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BN_free(q);
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BN_free(g);
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BN_free(y);
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return NULL;
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}
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params = OSSL_PARAM_BLD_to_param(param_bld);
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OSSL_PARAM_BLD_free(param_bld);
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ctx = EVP_PKEY_CTX_new_from_name(NULL, "DSA", NULL);
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if(!ctx) {
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BN_free(p);
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BN_free(q);
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BN_free(g);
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BN_free(y);
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return NULL;
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}
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if(EVP_PKEY_fromdata_init(ctx) <= 0) {
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EVP_PKEY_CTX_free(ctx);
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OSSL_PARAM_free(params);
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BN_free(p);
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BN_free(q);
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BN_free(g);
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BN_free(y);
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return NULL;
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}
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if(EVP_PKEY_fromdata(ctx, &evp_key, EVP_PKEY_PUBLIC_KEY, params) <= 0) {
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EVP_PKEY_CTX_free(ctx);
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OSSL_PARAM_free(params);
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BN_free(p);
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BN_free(q);
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BN_free(g);
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BN_free(y);
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return NULL;
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}
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EVP_PKEY_CTX_free(ctx);
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OSSL_PARAM_free(params);
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BN_free(p);
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BN_free(q);
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BN_free(g);
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BN_free(y);
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return evp_key;
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#else
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DSA* dsa;
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EVP_PKEY* evp_key = EVP_PKEY_new();
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if(!evp_key) {
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return 0;
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return NULL;
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}
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dsa = sldns_key_buf2dsa_raw(key, len);
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if(!dsa) {
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EVP_PKEY_free(evp_key);
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return 0;
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return NULL;
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}
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if(EVP_PKEY_assign_DSA(evp_key, dsa) == 0) {
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DSA_free(dsa);
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EVP_PKEY_free(evp_key);
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return 0;
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return NULL;
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}
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return evp_key;
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#endif
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}
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RSA *
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sldns_key_buf2rsa_raw(unsigned char* key, size_t len)
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/* Retrieve params as BIGNUM from raw buffer, n is modulus, e is exponent */
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static int
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sldns_key_rsa_buf_bignum(unsigned char* key, size_t len, BIGNUM** n,
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BIGNUM** e)
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{
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uint16_t offset;
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uint16_t exp;
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uint16_t int16;
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RSA *rsa;
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BIGNUM *modulus;
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BIGNUM *exponent;
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if (len == 0)
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return NULL;
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return 0;
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if (key[0] == 0) {
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if(len < 3)
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return NULL;
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return 0;
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memmove(&int16, key+1, 2);
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exp = ntohs(int16);
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offset = 3;
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@ -307,23 +393,34 @@ sldns_key_buf2rsa_raw(unsigned char* key, size_t len)
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/* key length at least one */
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if(len < (size_t)offset + exp + 1)
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return NULL;
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return 0;
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/* Exponent */
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exponent = BN_new();
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if(!exponent) return NULL;
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(void) BN_bin2bn(key+offset, (int)exp, exponent);
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*e = BN_new();
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if(!*e) return 0;
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(void) BN_bin2bn(key+offset, (int)exp, *e);
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offset += exp;
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/* Modulus */
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modulus = BN_new();
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if(!modulus) {
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BN_free(exponent);
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return NULL;
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*n = BN_new();
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if(!*n) {
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BN_free(*e);
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return 0;
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}
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/* length of the buffer must match the key length! */
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(void) BN_bin2bn(key+offset, (int)(len - offset), modulus);
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(void) BN_bin2bn(key+offset, (int)(len - offset), *n);
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return 1;
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}
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#ifndef HAVE_OSSL_PARAM_BLD_NEW
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RSA *
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sldns_key_buf2rsa_raw(unsigned char* key, size_t len)
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{
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BIGNUM* modulus = NULL;
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BIGNUM* exponent = NULL;
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RSA *rsa;
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if(!sldns_key_rsa_buf_bignum(key, len, &modulus, &exponent))
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return NULL;
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rsa = RSA_new();
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if(!rsa) {
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BN_free(exponent);
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@ -347,25 +444,86 @@ sldns_key_buf2rsa_raw(unsigned char* key, size_t len)
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return rsa;
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}
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#endif /* HAVE_OSSL_PARAM_BLD_NEW */
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EVP_PKEY* sldns_key_rsa2pkey_raw(unsigned char* key, size_t len)
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{
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#ifdef HAVE_OSSL_PARAM_BLD_NEW
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EVP_PKEY* evp_key = NULL;
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EVP_PKEY_CTX* ctx;
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BIGNUM *n=NULL, *e=NULL;
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OSSL_PARAM_BLD* param_bld;
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OSSL_PARAM* params = NULL;
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if(!sldns_key_rsa_buf_bignum(key, len, &n, &e)) {
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return NULL;
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}
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param_bld = OSSL_PARAM_BLD_new();
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if(!param_bld) {
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BN_free(n);
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BN_free(e);
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return NULL;
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}
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if(!OSSL_PARAM_BLD_push_BN(param_bld, "n", n)) {
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OSSL_PARAM_BLD_free(param_bld);
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BN_free(n);
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BN_free(e);
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return NULL;
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}
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if(!OSSL_PARAM_BLD_push_BN(param_bld, "e", e)) {
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OSSL_PARAM_BLD_free(param_bld);
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BN_free(n);
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BN_free(e);
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return NULL;
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}
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params = OSSL_PARAM_BLD_to_param(param_bld);
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OSSL_PARAM_BLD_free(param_bld);
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ctx = EVP_PKEY_CTX_new_from_name(NULL, "RSA", NULL);
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if(!ctx) {
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BN_free(n);
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BN_free(e);
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return NULL;
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}
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if(EVP_PKEY_fromdata_init(ctx) <= 0) {
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EVP_PKEY_CTX_free(ctx);
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OSSL_PARAM_free(params);
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BN_free(n);
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BN_free(e);
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return NULL;
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}
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if(EVP_PKEY_fromdata(ctx, &evp_key, EVP_PKEY_PUBLIC_KEY, params) <= 0) {
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EVP_PKEY_CTX_free(ctx);
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OSSL_PARAM_free(params);
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BN_free(n);
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BN_free(e);
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return NULL;
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}
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EVP_PKEY_CTX_free(ctx);
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OSSL_PARAM_free(params);
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BN_free(n);
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BN_free(e);
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return evp_key;
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#else
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RSA* rsa;
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EVP_PKEY *evp_key = EVP_PKEY_new();
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if(!evp_key) {
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return 0;
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return NULL;
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}
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rsa = sldns_key_buf2rsa_raw(key, len);
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if(!rsa) {
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EVP_PKEY_free(evp_key);
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return 0;
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return NULL;
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}
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if(EVP_PKEY_assign_RSA(evp_key, rsa) == 0) {
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RSA_free(rsa);
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EVP_PKEY_free(evp_key);
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return 0;
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return NULL;
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}
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return evp_key;
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#endif
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}
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#ifdef USE_GOST
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|
@ -57,6 +57,7 @@ int sldns_key_EVP_load_gost_id(void);
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/** Release the engine reference held for the GOST engine. */
|
||||
void sldns_key_EVP_unload_gost(void);
|
||||
|
||||
#ifndef HAVE_OSSL_PARAM_BLD_NEW
|
||||
/**
|
||||
* Like sldns_key_buf2dsa, but uses raw buffer.
|
||||
* \param[in] key the uncompressed wireformat of the key.
|
||||
@ -64,6 +65,7 @@ void sldns_key_EVP_unload_gost(void);
|
||||
* \return a DSA * structure with the key material
|
||||
*/
|
||||
DSA *sldns_key_buf2dsa_raw(unsigned char* key, size_t len);
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Converts a holding buffer with DSA key material to EVP PKEY in openssl.
|
||||
@ -92,6 +94,7 @@ EVP_PKEY* sldns_gost2pkey_raw(unsigned char* key, size_t keylen);
|
||||
*/
|
||||
EVP_PKEY* sldns_ecdsa2pkey_raw(unsigned char* key, size_t keylen, uint8_t algo);
|
||||
|
||||
#ifndef HAVE_OSSL_PARAM_BLD_NEW
|
||||
/**
|
||||
* Like sldns_key_buf2rsa, but uses raw buffer.
|
||||
* \param[in] key the uncompressed wireformat of the key.
|
||||
@ -99,6 +102,7 @@ EVP_PKEY* sldns_ecdsa2pkey_raw(unsigned char* key, size_t keylen, uint8_t algo);
|
||||
* \return a RSA * structure with the key material
|
||||
*/
|
||||
RSA *sldns_key_buf2rsa_raw(unsigned char* key, size_t len);
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Converts a holding buffer with RSA key material to EVP PKEY in openssl.
|
||||
|
Loading…
Reference in New Issue
Block a user