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| author | Hans Nilsson <[email protected]> | 2018-01-11 15:29:23 +0100 |
|---|---|---|
| committer | Hans Nilsson <[email protected]> | 2018-01-12 16:35:35 +0100 |
| commit | b5b6c7695c5377b5aa474d8620df7c3e9a1ba629 (patch) | |
| tree | d4c949df2943ae07327d884050f556863c50f011 /lib/crypto/c_src/crypto.c | |
| parent | 8fbbc9713e86b51295835f4b5065769c4ca407ef (diff) | |
| download | otp-b5b6c7695c5377b5aa474d8620df7c3e9a1ba629.tar.gz otp-b5b6c7695c5377b5aa474d8620df7c3e9a1ba629.tar.bz2 otp-b5b6c7695c5377b5aa474d8620df7c3e9a1ba629.zip | |
crypto: Disable RSA sslv23 padding for LibreSSL >= 2.6.1
Not supported in newer LibreSSL.
Diffstat (limited to 'lib/crypto/c_src/crypto.c')
| -rw-r--r-- | lib/crypto/c_src/crypto.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c index 6957d25774..9a3ea07c97 100644 --- a/lib/crypto/c_src/crypto.c +++ b/lib/crypto/c_src/crypto.c @@ -179,6 +179,12 @@ # define HAVE_ECB_IVEC_BUG #endif +#define HAVE_RSA_SSLV23_PADDING +#if defined(HAS_LIBRESSL) \ + && LIBRESSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(2,6,1) +# undef HAVE_RSA_SSLV23_PADDING +#endif + #if defined(HAVE_CMAC) #include <openssl/cmac.h> #endif @@ -659,7 +665,9 @@ static ERL_NIF_TERM atom_rsa_oaep_md; static ERL_NIF_TERM atom_rsa_pad; /* backwards compatibility */ static ERL_NIF_TERM atom_rsa_padding; static ERL_NIF_TERM atom_rsa_pkcs1_pss_padding; +#ifdef HAVE_RSA_SSLV23_PADDING static ERL_NIF_TERM atom_rsa_sslv23_padding; +#endif static ERL_NIF_TERM atom_rsa_x931_padding; static ERL_NIF_TERM atom_rsa_pss_saltlen; static ERL_NIF_TERM atom_sha224; @@ -1064,7 +1072,9 @@ static int initialize(ErlNifEnv* env, ERL_NIF_TERM load_info) atom_rsa_pad = enif_make_atom(env,"rsa_pad"); /* backwards compatibility */ atom_rsa_padding = enif_make_atom(env,"rsa_padding"); atom_rsa_pkcs1_pss_padding = enif_make_atom(env,"rsa_pkcs1_pss_padding"); +#ifdef HAVE_RSA_SSLV23_PADDING atom_rsa_sslv23_padding = enif_make_atom(env,"rsa_sslv23_padding"); +#endif atom_rsa_x931_padding = enif_make_atom(env,"rsa_x931_padding"); atom_rsa_pss_saltlen = enif_make_atom(env,"rsa_pss_saltlen"); atom_sha224 = enif_make_atom(env,"sha224"); @@ -4449,8 +4459,10 @@ static int get_pkey_crypt_options(ErlNifEnv *env, ERL_NIF_TERM algorithm, ERL_NI opt->rsa_padding = RSA_PKCS1_PADDING; } else if (tpl_terms[1] == atom_rsa_pkcs1_oaep_padding) { opt->rsa_padding = RSA_PKCS1_OAEP_PADDING; +#ifdef HAVE_RSA_SSLV23_PADDING } else if (tpl_terms[1] == atom_rsa_sslv23_padding) { opt->rsa_padding = RSA_SSLV23_PADDING; +#endif } else if (tpl_terms[1] == atom_rsa_x931_padding) { opt->rsa_padding = RSA_X931_PADDING; } else if (tpl_terms[1] == atom_rsa_no_padding) { @@ -4516,7 +4528,10 @@ static ERL_NIF_TERM pkey_crypt_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM #endif PKeyCryptOptions crypt_opt; ErlNifBinary in_bin, out_bin, tmp_bin; - size_t outlen, tmplen; + size_t outlen; +#ifdef HAVE_RSA_SSLV23_PADDING + size_t tmplen; +#endif int is_private = (argv[4] == atom_true), is_encrypt = (argv[5] == atom_true); int algo_init = 0; @@ -4596,6 +4611,7 @@ static ERL_NIF_TERM pkey_crypt_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM if (crypt_opt.signature_md != NULL && EVP_PKEY_CTX_set_signature_md(ctx, crypt_opt.signature_md) <= 0) goto badarg; +#ifdef HAVE_RSA_SSLV23_PADDING if (crypt_opt.rsa_padding == RSA_SSLV23_PADDING) { if (is_encrypt) { RSA *rsa = EVP_PKEY_get1_RSA(pkey); @@ -4607,9 +4623,11 @@ static ERL_NIF_TERM pkey_crypt_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM in_bin = tmp_bin; } if (EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_NO_PADDING) <= 0) goto badarg; - } else { + } else +#endif + { if (EVP_PKEY_CTX_set_rsa_padding(ctx, crypt_opt.rsa_padding) <= 0) goto badarg; - } + } #ifdef HAVE_RSA_OAEP_MD if (crypt_opt.rsa_padding == RSA_PKCS1_OAEP_PADDING) { if (crypt_opt.rsa_oaep_md != NULL @@ -4728,6 +4746,7 @@ static ERL_NIF_TERM pkey_crypt_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM #endif if ((i > 0) && argv[0] == atom_rsa && !is_encrypt) { +#ifdef HAVE_RSA_SSLV23_PADDING if (crypt_opt.rsa_padding == RSA_SSLV23_PADDING) { RSA *rsa = EVP_PKEY_get1_RSA(pkey); unsigned char *p; @@ -4745,6 +4764,7 @@ static ERL_NIF_TERM pkey_crypt_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM i = 1; } } +#endif } if (tmp_bin.data != NULL) { |