diff options
Diffstat (limited to 'code/core/crypto/crypto.c')
-rw-r--r-- | code/core/crypto/crypto.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/code/core/crypto/crypto.c b/code/core/crypto/crypto.c deleted file mode 100644 index f57e8d8..0000000 --- a/code/core/crypto/crypto.c +++ /dev/null @@ -1,95 +0,0 @@ -#include <core.h> - -#include <string.h> -#include <curve25519.h> - -static int dh_mkpair(ecp_dh_public_t *pub, ecp_dh_private_t *priv, ecp_rng_t *rand_buf) { - int rv = X25519_keypair(*pub, *priv, rand_buf); - if (!rv) return ECP_ERR; - return ECP_OK; -} - -static int dh_shsec(ecp_aead_key_t *shared, ecp_dh_public_t *pub, ecp_dh_private_t *priv) { - int rv = X25519(*shared, *priv, *pub); - if (!rv) return ECP_ERR; - return ECP_OK; -} - -static unsigned char *dh_pub_get_buf(ecp_dh_public_t *p) { - return (unsigned char *)p; -} - -static void dh_pub_to_buf(unsigned char *b, ecp_dh_public_t *p) { - memcpy(b, p, ECP_ECDH_SIZE_KEY); -} - -static void dh_pub_from_buf(ecp_dh_public_t *p, unsigned char *b) { - memcpy(p, b, ECP_ECDH_SIZE_KEY); -} - -static int dh_pub_eq(unsigned char *p1, ecp_dh_public_t *p2) { - return !memcmp(p1, p2, ECP_ECDH_SIZE_KEY); -} - -static unsigned int dh_pub_hash_fn(unsigned char *p) { - return *((unsigned int *)p); -} - -static int dh_pub_hash_eq(unsigned char *p1, unsigned char *p2) { - return !memcmp(p1, p2, ECP_ECDH_SIZE_KEY); -} - -static ssize_t aead_enc(unsigned char *ct, size_t cl, unsigned char *pt, size_t pl, ecp_aead_key_t *k, unsigned char *n) { - size_t ol; - int rv = aead_chacha20_poly1305_seal(ct, &ol, cl, *k, ECP_AEAD_SIZE_TAG, n, ECP_AEAD_SIZE_NONCE, pt, pl, NULL, 0); - if (!rv) return ECP_ERR; - return ol; -} - -static ssize_t aead_dec(unsigned char *pt, size_t pl, unsigned char *ct, size_t cl, ecp_aead_key_t *k, unsigned char *n) { - size_t ol; - int rv = aead_chacha20_poly1305_open(pt, &ol, pl, *k, ECP_AEAD_SIZE_TAG, n, ECP_AEAD_SIZE_NONCE, ct, cl, NULL, 0); - if (!rv) return ECP_ERR; - return ol; -} - -int dsa_mkpair(ecp_dsa_public_t *pub, ecp_dsa_private_t *priv, ecp_rng_t *rand_buf) { - unsigned char key[2*ECP_DSA_SIZE_KEY]; - - int rv = ED25519_keypair(*pub, key, rand_buf); - if (!rv) return ECP_ERR; - memcpy(priv, key, ECP_DSA_SIZE_KEY); - return ECP_OK; -} - -int dsa_sign(unsigned char *sig, unsigned char *m, size_t ml, ecp_dsa_public_t *p, ecp_dsa_private_t *s) { - unsigned char key[2*ECP_DSA_SIZE_KEY]; - memcpy(key, s, ECP_DSA_SIZE_KEY); - memcpy(key+ECP_DSA_SIZE_KEY, p, ECP_DSA_SIZE_KEY); - - int rv = ED25519_sign(sig, m, ml, key); - if (!rv) return ECP_ERR; - return ECP_OK; -} - -int dsa_verify(unsigned char *m, size_t ml, unsigned char *sig, ecp_dsa_public_t *p) { - return ED25519_verify(m, ml, sig, *p); -} - -int ecp_crypto_init(ECPCryptoIface *cr) { - cr->init = 1; - cr->dh_mkpair = dh_mkpair; - cr->dh_shsec = dh_shsec; - cr->dh_pub_get_buf = dh_pub_get_buf; - cr->dh_pub_to_buf = dh_pub_to_buf; - cr->dh_pub_from_buf = dh_pub_from_buf; - cr->dh_pub_eq = dh_pub_eq; - cr->dh_pub_hash_fn = dh_pub_hash_fn; - cr->dh_pub_hash_eq = dh_pub_hash_eq; - cr->aead_enc = aead_enc; - cr->aead_dec = aead_dec; - cr->dsa_mkpair = dsa_mkpair; - cr->dsa_sign = dsa_sign; - cr->dsa_verify = dsa_verify; - return ECP_OK; -} |