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author | TJ Kolev <tjkolev@gmail.com> | 2023-02-02 15:10:37 -0600 |
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committer | TJ Kolev <tjkolev@gmail.com> | 2023-02-02 15:10:37 -0600 |
commit | fdcadd906c21dcf2c09a965a6046f7bf9de84a69 (patch) | |
tree | f3ca129cb8f9d058a963fafadb707fee26b8a872 /src/crypto_desc.c | |
parent | 9defeb477aebf0eb575885eb1fd4a4330ce52531 (diff) | |
download | dropbear-fdcadd906c21dcf2c09a965a6046f7bf9de84a69.tar.gz |
Dropbear SSH - file structure reorg
Separating source and binaries.
* Dropbear source files (.c, .h) were moved under
a new ./src folder.
* Object binaries get generated into the ./obj folder.
This helps to keep less cluttered project.
tjk :)
Diffstat (limited to 'src/crypto_desc.c')
-rw-r--r-- | src/crypto_desc.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/crypto_desc.c b/src/crypto_desc.c new file mode 100644 index 0000000..d0dcc82 --- /dev/null +++ b/src/crypto_desc.c @@ -0,0 +1,76 @@ +#include "includes.h" +#include "dbutil.h" +#include "crypto_desc.h" +#include "ltc_prng.h" +#include "ecc.h" +#include "dbrandom.h" + +#if DROPBEAR_LTC_PRNG + int dropbear_ltc_prng = -1; +#endif + +/* Wrapper for libtommath */ +static mp_err dropbear_rand_source(void* out, size_t size) { + genrandom((unsigned char*)out, (unsigned int)size); + return MP_OKAY; +} + + +/* Register the compiled in ciphers. + * This should be run before using any of the ciphers/hashes */ +void crypto_init() { + + const struct ltc_cipher_descriptor *regciphers[] = { +#if DROPBEAR_AES + &aes_desc, +#endif +#if DROPBEAR_3DES + &des3_desc, +#endif + NULL + }; + + const struct ltc_hash_descriptor *reghashes[] = { +#if DROPBEAR_SHA1_HMAC + &sha1_desc, +#endif +#if DROPBEAR_SHA256 + &sha256_desc, +#endif +#if DROPBEAR_SHA384 + &sha384_desc, +#endif +#if DROPBEAR_SHA512 + &sha512_desc, +#endif + NULL + }; + int i; + + for (i = 0; regciphers[i] != NULL; i++) { + if (register_cipher(regciphers[i]) == -1) { + dropbear_exit("Error registering crypto"); + } + } + + for (i = 0; reghashes[i] != NULL; i++) { + if (register_hash(reghashes[i]) == -1) { + dropbear_exit("Error registering crypto"); + } + } + +#if DROPBEAR_LTC_PRNG + dropbear_ltc_prng = register_prng(&dropbear_prng_desc); + if (dropbear_ltc_prng == -1) { + dropbear_exit("Error registering crypto"); + } +#endif + + mp_rand_source(dropbear_rand_source); + +#if DROPBEAR_ECC + ltc_mp = ltm_desc; + dropbear_ecc_fill_dp(); +#endif +} + |