diff options
Diffstat (limited to 'lib/crypto/c_src/rc4.c')
-rw-r--r-- | lib/crypto/c_src/rc4.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/crypto/c_src/rc4.c b/lib/crypto/c_src/rc4.c new file mode 100644 index 0000000000..9285c6ed87 --- /dev/null +++ b/lib/crypto/c_src/rc4.c @@ -0,0 +1,46 @@ +#include "rc4.h" + +ERL_NIF_TERM rc4_set_key(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{/* (Key) */ +#ifndef OPENSSL_NO_RC4 + ErlNifBinary key; + ERL_NIF_TERM ret; + + CHECK_NO_FIPS_MODE(); + + if (!enif_inspect_iolist_as_binary(env,argv[0], &key)) { + return enif_make_badarg(env); + } + RC4_set_key((RC4_KEY*)enif_make_new_binary(env, sizeof(RC4_KEY), &ret), + key.size, key.data); + return ret; +#else + return enif_raise_exception(env, atom_notsup); +#endif +} + +ERL_NIF_TERM rc4_encrypt_with_state(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{/* (State, Data) */ +#ifndef OPENSSL_NO_RC4 + ErlNifBinary state, data; + RC4_KEY* rc4_key; + ERL_NIF_TERM new_state, new_data; + + CHECK_NO_FIPS_MODE(); + + if (!enif_inspect_iolist_as_binary(env,argv[0], &state) + || state.size != sizeof(RC4_KEY) + || !enif_inspect_iolist_as_binary(env,argv[1], &data)) { + return enif_make_badarg(env); + } + rc4_key = (RC4_KEY*)enif_make_new_binary(env, sizeof(RC4_KEY), &new_state); + memcpy(rc4_key, state.data, sizeof(RC4_KEY)); + RC4(rc4_key, data.size, data.data, + enif_make_new_binary(env, data.size, &new_data)); + CONSUME_REDS(env,data); + return enif_make_tuple2(env,new_state,new_data); +#else + return enif_raise_exception(env, atom_notsup); +#endif +} + |