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authorSverker Eriksson <[email protected]>2011-11-30 12:20:58 +0100
committerSverker Eriksson <[email protected]>2011-11-30 16:11:23 +0100
commit6a5dc8fdf6569e14a42d136baa6ab242719edeba (patch)
treee9e5c1175d1a8fbc819fdb4f38f53349622cb2ba /lib/crypto/c_src
parentbc09f6a6eda75c4e1df708cb523ffc76340c066d (diff)
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crypto: Add sha256 and sha512
No test and doc
Diffstat (limited to 'lib/crypto/c_src')
-rw-r--r--lib/crypto/c_src/crypto.c151
1 files changed, 151 insertions, 0 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c
index 802c1991de..76c2b11b82 100644
--- a/lib/crypto/c_src/crypto.c
+++ b/lib/crypto/c_src/crypto.c
@@ -53,6 +53,13 @@
#include <openssl/evp.h>
#include <openssl/hmac.h>
+#if OPENSSL_VERSION_NUMBER >= 0x00908000L && !defined(OPENSSL_NO_SHA256) && defined(NID_sha256)
+# define HAVE_SHA256
+#endif
+#if OPENSSL_VERSION_NUMBER >= 0x00908000L && !defined(OPENSSL_NO_SHA512) && defined(NID_sha512)
+# define HAVE_SHA512
+#endif
+
#ifdef VALGRIND
# include <valgrind/memcheck.h>
@@ -124,6 +131,14 @@ static ERL_NIF_TERM sha(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM sha_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM sha_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM sha_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha256_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha256_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha256_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha256_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha512_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha512_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha512_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM sha512_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM md4(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM md4_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM md4_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
@@ -201,6 +216,14 @@ static ErlNifFunc nif_funcs[] = {
{"sha_init", 0, sha_init},
{"sha_update", 2, sha_update},
{"sha_final", 1, sha_final},
+ {"sha256_nif", 1, sha256_nif},
+ {"sha256_init_nif", 0, sha256_init_nif},
+ {"sha256_update_nif", 2, sha256_update_nif},
+ {"sha256_final_nif", 1, sha256_final_nif},
+ {"sha512_nif", 1, sha512_nif},
+ {"sha512_init_nif", 0, sha512_init_nif},
+ {"sha512_update_nif", 2, sha512_update_nif},
+ {"sha512_final_nif", 1, sha512_final_nif},
{"md4", 1, md4},
{"md4_init", 0, md4_init},
{"md4_update", 2, md4_update},
@@ -260,6 +283,9 @@ ERL_NIF_INIT(crypto,nif_funcs,load,reload,upgrade,unload)
#define SHA_CTX_LEN (sizeof(SHA_CTX))
#define SHA_LEN 20
#define SHA_LEN_96 12
+#define SHA256_LEN (256/8)
+#define SHA384_LEN (384/8)
+#define SHA512_LEN (512/8)
#define HMAC_INT_LEN 64
#define HMAC_IPAD 0x36
@@ -286,6 +312,7 @@ static ERL_NIF_TERM atom_not_suitable_generator;
static ERL_NIF_TERM atom_check_failed;
static ERL_NIF_TERM atom_unknown;
static ERL_NIF_TERM atom_none;
+static ERL_NIF_TERM atom_notsup;
static int is_ok_load_info(ErlNifEnv* env, ERL_NIF_TERM load_info)
@@ -355,6 +382,7 @@ static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info)
atom_check_failed = enif_make_atom(env,"check_failed");
atom_unknown = enif_make_atom(env,"unknown");
atom_none = enif_make_atom(env,"none");
+ atom_notsup = enif_make_atom(env,"notsup");
*priv_data = NULL;
library_refc++;
@@ -519,6 +547,129 @@ static ERL_NIF_TERM sha_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[
return ret;
}
+static ERL_NIF_TERM sha256_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Data) */
+#ifdef HAVE_SHA256
+ ErlNifBinary ibin;
+ ERL_NIF_TERM ret;
+
+ if (!enif_inspect_iolist_as_binary(env, argv[0], &ibin)) {
+ return enif_make_badarg(env);
+ }
+ SHA256((unsigned char *) ibin.data, ibin.size,
+ enif_make_new_binary(env,SHA256_LEN, &ret));
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+static ERL_NIF_TERM sha256_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* () */
+#ifdef HAVE_SHA256
+ ERL_NIF_TERM ret;
+ SHA256_Init((SHA256_CTX *) enif_make_new_binary(env, sizeof(SHA256_CTX), &ret));
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+static ERL_NIF_TERM sha256_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Context, Data) */
+#ifdef HAVE_SHA256
+ SHA256_CTX* new_ctx;
+ ErlNifBinary ctx_bin, data_bin;
+ ERL_NIF_TERM ret;
+ if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA256_CTX)
+ || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) {
+ return enif_make_badarg(env);
+ }
+ new_ctx = (SHA256_CTX*) enif_make_new_binary(env,sizeof(SHA256_CTX), &ret);
+ memcpy(new_ctx, ctx_bin.data, sizeof(SHA256_CTX));
+ SHA256_Update(new_ctx, data_bin.data, data_bin.size);
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+static ERL_NIF_TERM sha256_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Context) */
+#ifdef HAVE_SHA256
+ ErlNifBinary ctx_bin;
+ SHA256_CTX ctx_clone;
+ ERL_NIF_TERM ret;
+ if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA256_CTX)) {
+ return enif_make_badarg(env);
+ }
+ memcpy(&ctx_clone, ctx_bin.data, sizeof(SHA256_CTX)); /* writable */
+ SHA256_Final(enif_make_new_binary(env, SHA256_LEN, &ret), &ctx_clone);
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+
+static ERL_NIF_TERM sha512_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Data) */
+#ifdef HAVE_SHA512
+ ErlNifBinary ibin;
+ ERL_NIF_TERM ret;
+
+ if (!enif_inspect_iolist_as_binary(env, argv[0], &ibin)) {
+ return enif_make_badarg(env);
+ }
+ SHA512((unsigned char *) ibin.data, ibin.size,
+ enif_make_new_binary(env,SHA512_LEN, &ret));
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+static ERL_NIF_TERM sha512_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* () */
+#ifdef HAVE_SHA512
+ ERL_NIF_TERM ret;
+ SHA512_Init((SHA512_CTX *) enif_make_new_binary(env, sizeof(SHA512_CTX), &ret));
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+static ERL_NIF_TERM sha512_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Context, Data) */
+#ifdef HAVE_SHA512
+ SHA512_CTX* new_ctx;
+ ErlNifBinary ctx_bin, data_bin;
+ ERL_NIF_TERM ret;
+ if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA512_CTX)
+ || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) {
+ return enif_make_badarg(env);
+ }
+ new_ctx = (SHA512_CTX*) enif_make_new_binary(env,sizeof(SHA512_CTX), &ret);
+ memcpy(new_ctx, ctx_bin.data, sizeof(SHA512_CTX));
+ SHA512_Update(new_ctx, data_bin.data, data_bin.size);
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+static ERL_NIF_TERM sha512_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Context) */
+#ifdef HAVE_SHA512
+ ErlNifBinary ctx_bin;
+ SHA512_CTX ctx_clone;
+ ERL_NIF_TERM ret;
+ if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA512_CTX)) {
+ return enif_make_badarg(env);
+ }
+ memcpy(&ctx_clone, ctx_bin.data, sizeof(SHA512_CTX)); /* writable */
+ SHA512_Final(enif_make_new_binary(env, SHA512_LEN, &ret), &ctx_clone);
+ return ret;
+#else
+ return atom_notsup;
+#endif
+}
+
+
static ERL_NIF_TERM md4(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{/* (Data) */
ErlNifBinary ibin;