diff options
Diffstat (limited to 'ecp/src/crypto/crypto.c')
-rw-r--r-- | ecp/src/crypto/crypto.c | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/ecp/src/crypto/crypto.c b/ecp/src/crypto/crypto.c index ae0b3d3..e1d06b3 100644 --- a/ecp/src/crypto/crypto.c +++ b/ecp/src/crypto/crypto.c @@ -1,16 +1,17 @@ #include <core.h> #include <cr.h> -#include <curve25519.h> +#include <openssl/curve25519.h> int ecp_cr_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; + X25519_keypair(*pub, *priv); return ECP_OK; } int ecp_cr_dh_shsec(ecp_aead_key_t *shared, ecp_dh_public_t *pub, ecp_dh_private_t *priv) { - int rv = X25519(*shared, *priv, *pub); + int rv; + + rv = X25519(*shared, *priv, *pub); if (!rv) return ECP_ERR; return ECP_OK; } @@ -40,38 +41,53 @@ int ecp_cr_dh_pub_hash_eq(unsigned char *p1, unsigned char *p2) { } ssize_t ecp_cr_aead_enc(unsigned char *ct, size_t cl, unsigned char *pt, size_t pl, ecp_aead_key_t *k, unsigned char *n) { + uint8_t _n[ECP_AEAD_SIZE_NONCE + 4]; 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); + int rv; + + memset(_n, 0, 4); + memcpy(_n + 4, n, ECP_AEAD_SIZE_NONCE); + rv = aead_chacha20_poly1305_seal(*k, ECP_AEAD_SIZE_TAG, ct, &ol, cl, _n, ECP_AEAD_SIZE_NONCE + 4, pt, pl, NULL, 0); if (!rv) return ECP_ERR; return ol; } ssize_t ecp_cr_aead_dec(unsigned char *pt, size_t pl, unsigned char *ct, size_t cl, ecp_aead_key_t *k, unsigned char *n) { + uint8_t _n[ECP_AEAD_SIZE_NONCE + 4]; 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); + int rv; + + memset(_n, 0, 4); + memcpy(_n + 4, n, ECP_AEAD_SIZE_NONCE); + rv = aead_chacha20_poly1305_open(*k, ECP_AEAD_SIZE_TAG, pt, &ol, pl, _n, ECP_AEAD_SIZE_NONCE + 4, ct, cl, NULL, 0); if (!rv) return ECP_ERR; return ol; } int ecp_cr_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]; + unsigned char key[2*ECP_DSA_SIZE_KEY]; - int rv = ED25519_keypair(*pub, key, rand_buf); - if (!rv) return ECP_ERR; + ED25519_keypair(*pub, key); memcpy(priv, key, ECP_DSA_SIZE_KEY); return ECP_OK; } int ecp_cr_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]; + int rv; + 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); + rv = ED25519_sign(sig, m, ml, key); if (!rv) return ECP_ERR; return ECP_OK; } int ecp_cr_dsa_verify(unsigned char *m, size_t ml, unsigned char *sig, ecp_dsa_public_t *p) { - return ED25519_verify(m, ml, sig, *p); + int rv; + + rv = ED25519_verify(m, ml, sig, *p); + if (rv == 1) return ECP_OK; + return ECP_ERR; } |