int sshbuf_get_eckey(struct sshbuf *buf, EC_KEY *v) { EC_POINT *pt = EC_POINT_new(EC_KEY_get0_group(v)); int r; const u_char *d; size_t len; if (pt == NULL) { SSHBUF_DBG(("SSH_ERR_ALLOC_FAIL")); return SSH_ERR_ALLOC_FAIL; } if ((r = sshbuf_peek_string_direct(buf, &d, &len)) < 0) { EC_POINT_free(pt); return r; } if ((r = get_ec(d, len, pt, EC_KEY_get0_group(v))) != 0) { EC_POINT_free(pt); return r; } if (EC_KEY_set_public_key(v, pt) != 1) { EC_POINT_free(pt); return SSH_ERR_ALLOC_FAIL; /* XXX assumption */ } EC_POINT_free(pt); /* Skip string */ if (sshbuf_get_string_direct(buf, NULL, NULL) != 0) { /* Shouldn't happen */ SSHBUF_DBG(("SSH_ERR_INTERNAL_ERROR")); SSHBUF_ABORT(); return SSH_ERR_INTERNAL_ERROR; } return 0; }
int sshbuf_get_string(struct sshbuf *buf, u_char **valp, size_t *lenp) { const u_char *val; size_t len; int r; if (valp != NULL) *valp = NULL; if (lenp != NULL) *lenp = 0; if ((r = sshbuf_get_string_direct(buf, &val, &len)) < 0) return r; if (valp != NULL) { if ((*valp = malloc(len + 1)) == NULL) { SSHBUF_DBG(("SSH_ERR_ALLOC_FAIL")); return SSH_ERR_ALLOC_FAIL; } if (len != 0) memcpy(*valp, val, len); (*valp)[len] = '\0'; } if (lenp != NULL) *lenp = len; return 0; }
int sshbuf_get_bignum2(struct sshbuf *buf, BIGNUM *v) { const u_char *d; size_t len; int r; if ((r = sshbuf_peek_string_direct(buf, &d, &len)) < 0) return r; /* Refuse negative (MSB set) bignums */ if ((len != 0 && (*d & 0x80) != 0)) return SSH_ERR_BIGNUM_IS_NEGATIVE; /* Refuse overlong bignums, allow prepended \0 to avoid MSB set */ if (len > SSHBUF_MAX_BIGNUM + 1 || (len == SSHBUF_MAX_BIGNUM + 1 && *d != 0)) return SSH_ERR_BIGNUM_TOO_LARGE; if (v != NULL && BN_bin2bn(d, len, v) == NULL) return SSH_ERR_ALLOC_FAIL; /* Consume the string */ if (sshbuf_get_string_direct(buf, NULL, NULL) != 0) { /* Shouldn't happen */ SSHBUF_DBG(("SSH_ERR_INTERNAL_ERROR")); SSHBUF_ABORT(); return SSH_ERR_INTERNAL_ERROR; } return 0; }
const void * buffer_get_string_ptr_ret(Buffer *buffer, u_int *length_ptr) { size_t len; int ret; const u_char *value; if ((ret = sshbuf_get_string_direct(buffer, &value, &len)) != 0) { error("%s: %s", __func__, ssh_err(ret)); return NULL; } if (length_ptr != NULL) *length_ptr = len; /* Safe: sshbuf never stores len > 2^31 */ return value; }
int sshbuf_get_ec(struct sshbuf *buf, EC_POINT *v, const EC_GROUP *g) { const u_char *d; size_t len; int r; if ((r = sshbuf_peek_string_direct(buf, &d, &len)) < 0) return r; if ((r = get_ec(d, len, v, g)) != 0) return r; /* Skip string */ if (sshbuf_get_string_direct(buf, NULL, NULL) != 0) { /* Shouldn't happen */ SSHBUF_DBG(("SSH_ERR_INTERNAL_ERROR")); SSHBUF_ABORT(); return SSH_ERR_INTERNAL_ERROR; } return 0; }
static int deserialise_identity2(struct sshbuf *ids, struct sshkey **keyp, char **commentp) { int r; char *comment = NULL; const u_char *blob; size_t blen; if ((r = sshbuf_get_string_direct(ids, &blob, &blen)) != 0 || (r = sshbuf_get_cstring(ids, &comment, NULL)) != 0) goto out; if ((r = sshkey_from_blob(blob, blen, keyp)) != 0) goto out; if (commentp != NULL) { *commentp = comment; comment = NULL; } r = 0; out: free(comment); return r; }
int ssh_ed25519_verify(const struct sshkey *key, const u_char *signature, size_t signaturelen, const u_char *data, size_t datalen, u_int compat) { struct sshbuf *b = NULL; char *ktype = NULL; const u_char *sigblob; u_char *sm = NULL, *m = NULL; size_t len; unsigned long long smlen = 0, mlen = 0; int r, ret; if (key == NULL || sshkey_type_plain(key->type) != KEY_ED25519 || key->ed25519_pk == NULL || datalen >= INT_MAX - crypto_sign_ed25519_BYTES) return SSH_ERR_INVALID_ARGUMENT; if ((b = sshbuf_from(signature, signaturelen)) == NULL) return SSH_ERR_ALLOC_FAIL; if ((r = sshbuf_get_cstring(b, &ktype, NULL)) != 0 || (r = sshbuf_get_string_direct(b, &sigblob, &len)) != 0) goto out; if (strcmp("ssh-ed25519", ktype) != 0) { r = SSH_ERR_KEY_TYPE_MISMATCH; goto out; } if (sshbuf_len(b) != 0) { r = SSH_ERR_UNEXPECTED_TRAILING_DATA; goto out; } if (len > crypto_sign_ed25519_BYTES) { r = SSH_ERR_INVALID_FORMAT; goto out; } if (datalen >= SIZE_MAX - len) { r = SSH_ERR_INVALID_ARGUMENT; goto out; } smlen = len + datalen; mlen = smlen; if ((sm = malloc(smlen)) == NULL || (m = malloc(mlen)) == NULL) { r = SSH_ERR_ALLOC_FAIL; goto out; } memcpy(sm, sigblob, len); memcpy(sm+len, data, datalen); if ((ret = crypto_sign_ed25519_open(m, &mlen, sm, smlen, key->ed25519_pk)) != 0) { debug2("%s: crypto_sign_ed25519_open failed: %d", __func__, ret); } if (ret != 0 || mlen != datalen) { r = SSH_ERR_SIGNATURE_INVALID; goto out; } /* XXX compare 'm' and 'data' ? */ /* success */ r = 0; out: if (sm != NULL) { explicit_bzero(sm, smlen); free(sm); } if (m != NULL) { explicit_bzero(m, smlen); /* NB mlen may be invalid if r != 0 */ free(m); } sshbuf_free(b); free(ktype); return r; }
void sshbuf_getput_crypto_tests(void) { struct sshbuf *p1; const u_char *d; size_t s; BIGNUM *bn, *bn2, *bn_x, *bn_y; /* This one has num_bits != num_bytes * 8 to test bignum1 encoding */ const char *hexbn1 = "0102030405060708090a0b0c0d0e0f10"; /* This one has MSB set to test bignum2 encoding negative-avoidance */ const char *hexbn2 = "f0e0d0c0b0a0908070605040302010007fff11"; u_char expbn1[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, }; u_char expbn2[] = { 0xf0, 0xe0, 0xd0, 0xc0, 0xb0, 0xa0, 0x90, 0x80, 0x70, 0x60, 0x50, 0x40, 0x30, 0x20, 0x10, 0x00, 0x7f, 0xff, 0x11 }; int ec256_nid = NID_X9_62_prime256v1; char *ec256_x = "0C828004839D0106AA59575216191357" "34B451459DADB586677EF9DF55784999"; char *ec256_y = "4D196B50F0B4E94B3C73E3A9D4CD9DF2" "C8F9A35E42BDD047550F69D80EC23CD4"; u_char expec256[] = { 0x04, 0x0c, 0x82, 0x80, 0x04, 0x83, 0x9d, 0x01, 0x06, 0xaa, 0x59, 0x57, 0x52, 0x16, 0x19, 0x13, 0x57, 0x34, 0xb4, 0x51, 0x45, 0x9d, 0xad, 0xb5, 0x86, 0x67, 0x7e, 0xf9, 0xdf, 0x55, 0x78, 0x49, 0x99, 0x4d, 0x19, 0x6b, 0x50, 0xf0, 0xb4, 0xe9, 0x4b, 0x3c, 0x73, 0xe3, 0xa9, 0xd4, 0xcd, 0x9d, 0xf2, 0xc8, 0xf9, 0xa3, 0x5e, 0x42, 0xbd, 0xd0, 0x47, 0x55, 0x0f, 0x69, 0xd8, 0x0e, 0xc2, 0x3c, 0xd4 }; EC_KEY *eck; EC_POINT *ecp; int r; #define MKBN(b, bnn) \ do { \ bnn = NULL; \ ASSERT_INT_GT(BN_hex2bn(&bnn, b), 0); \ } while (0) TEST_START("sshbuf_put_bignum1"); MKBN(hexbn1, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_bignum1(p1, bn), 0); ASSERT_SIZE_T_EQ(sshbuf_len(p1), sizeof(expbn1) + 2); ASSERT_U16_EQ(PEEK_U16(sshbuf_ptr(p1)), (u_int16_t)BN_num_bits(bn)); ASSERT_MEM_EQ(sshbuf_ptr(p1) + 2, expbn1, sizeof(expbn1)); BN_free(bn); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_put_bignum1 limited"); MKBN(hexbn1, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_set_max_size(p1, sizeof(expbn1) + 1), 0); r = sshbuf_put_bignum1(p1, bn); ASSERT_INT_EQ(r, SSH_ERR_NO_BUFFER_SPACE); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 0); BN_free(bn); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_put_bignum1 bn2"); MKBN(hexbn2, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_bignum1(p1, bn), 0); ASSERT_SIZE_T_EQ(sshbuf_len(p1), sizeof(expbn2) + 2); ASSERT_U16_EQ(PEEK_U16(sshbuf_ptr(p1)), (u_int16_t)BN_num_bits(bn)); ASSERT_MEM_EQ(sshbuf_ptr(p1) + 2, expbn2, sizeof(expbn2)); BN_free(bn); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_put_bignum1 bn2 limited"); MKBN(hexbn2, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_set_max_size(p1, sizeof(expbn1) + 1), 0); r = sshbuf_put_bignum1(p1, bn); ASSERT_INT_EQ(r, SSH_ERR_NO_BUFFER_SPACE); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 0); BN_free(bn); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_put_bignum2"); MKBN(hexbn1, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_bignum2(p1, bn), 0); ASSERT_SIZE_T_EQ(sshbuf_len(p1), sizeof(expbn1) + 4); ASSERT_U32_EQ(PEEK_U32(sshbuf_ptr(p1)), (u_int32_t)BN_num_bytes(bn)); ASSERT_MEM_EQ(sshbuf_ptr(p1) + 4, expbn1, sizeof(expbn1)); BN_free(bn); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_put_bignum2 limited"); MKBN(hexbn1, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_set_max_size(p1, sizeof(expbn1) + 3), 0); r = sshbuf_put_bignum2(p1, bn); ASSERT_INT_EQ(r, SSH_ERR_NO_BUFFER_SPACE); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 0); BN_free(bn); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_put_bignum2 bn2"); MKBN(hexbn2, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_bignum2(p1, bn), 0); ASSERT_SIZE_T_EQ(sshbuf_len(p1), sizeof(expbn2) + 4 + 1); /* MSB */ ASSERT_U32_EQ(PEEK_U32(sshbuf_ptr(p1)), (u_int32_t)BN_num_bytes(bn) + 1); ASSERT_U8_EQ(*(sshbuf_ptr(p1) + 4), 0x00); ASSERT_MEM_EQ(sshbuf_ptr(p1) + 5, expbn2, sizeof(expbn2)); BN_free(bn); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_put_bignum2 bn2 limited"); MKBN(hexbn2, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_set_max_size(p1, sizeof(expbn2) + 3), 0); r = sshbuf_put_bignum2(p1, bn); ASSERT_INT_EQ(r, SSH_ERR_NO_BUFFER_SPACE); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 0); BN_free(bn); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_get_bignum1"); MKBN(hexbn1, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_u16(p1, BN_num_bits(bn)), 0); ASSERT_INT_EQ(sshbuf_put(p1, expbn1, sizeof(expbn1)), 0); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 2 + sizeof(expbn1)); ASSERT_INT_EQ(sshbuf_put_u16(p1, 0xd00f), 0); bn2 = BN_new(); ASSERT_INT_EQ(sshbuf_get_bignum1(p1, bn2), 0); ASSERT_BIGNUM_EQ(bn, bn2); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 2); BN_free(bn); BN_free(bn2); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_get_bignum1 truncated"); MKBN(hexbn1, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_u16(p1, BN_num_bits(bn)), 0); ASSERT_INT_EQ(sshbuf_put(p1, expbn1, sizeof(expbn1) - 1), 0); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 2 + sizeof(expbn1) - 1); bn2 = BN_new(); r = sshbuf_get_bignum1(p1, bn2); ASSERT_INT_EQ(r, SSH_ERR_MESSAGE_INCOMPLETE); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 2 + sizeof(expbn1) - 1); BN_free(bn); BN_free(bn2); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_get_bignum1 giant"); MKBN(hexbn1, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_u16(p1, 0xffff), 0); ASSERT_INT_EQ(sshbuf_reserve(p1, (0xffff + 7) / 8, NULL), 0); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 2 + ((0xffff + 7) / 8)); bn2 = BN_new(); r = sshbuf_get_bignum1(p1, bn2); ASSERT_INT_EQ(r, SSH_ERR_BIGNUM_TOO_LARGE); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 2 + ((0xffff + 7) / 8)); BN_free(bn); BN_free(bn2); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_get_bignum1 bn2"); MKBN(hexbn2, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_u16(p1, BN_num_bits(bn)), 0); ASSERT_INT_EQ(sshbuf_put(p1, expbn2, sizeof(expbn2)), 0); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 2 + sizeof(expbn2)); ASSERT_INT_EQ(sshbuf_put_u16(p1, 0xd00f), 0); bn2 = BN_new(); ASSERT_INT_EQ(sshbuf_get_bignum1(p1, bn2), 0); ASSERT_BIGNUM_EQ(bn, bn2); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 2); BN_free(bn); BN_free(bn2); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_get_bignum1 bn2 truncated"); MKBN(hexbn2, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_u16(p1, BN_num_bits(bn)), 0); ASSERT_INT_EQ(sshbuf_put(p1, expbn2, sizeof(expbn2) - 1), 0); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 2 + sizeof(expbn2) - 1); bn2 = BN_new(); r = sshbuf_get_bignum1(p1, bn2); ASSERT_INT_EQ(r, SSH_ERR_MESSAGE_INCOMPLETE); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 2 + sizeof(expbn2) - 1); BN_free(bn); BN_free(bn2); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_get_bignum2"); MKBN(hexbn1, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_u32(p1, BN_num_bytes(bn)), 0); ASSERT_INT_EQ(sshbuf_put(p1, expbn1, sizeof(expbn1)), 0); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 4 + sizeof(expbn1)); ASSERT_INT_EQ(sshbuf_put_u16(p1, 0xd00f), 0); bn2 = BN_new(); ASSERT_INT_EQ(sshbuf_get_bignum2(p1, bn2), 0); ASSERT_BIGNUM_EQ(bn, bn2); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 2); BN_free(bn); BN_free(bn2); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_get_bignum2 truncated"); MKBN(hexbn1, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_u32(p1, BN_num_bytes(bn)), 0); ASSERT_INT_EQ(sshbuf_put(p1, expbn1, sizeof(expbn1) - 1), 0); bn2 = BN_new(); r = sshbuf_get_bignum2(p1, bn2); ASSERT_INT_EQ(r, SSH_ERR_MESSAGE_INCOMPLETE); ASSERT_SIZE_T_EQ(sshbuf_len(p1), sizeof(expbn1) + 3); BN_free(bn); BN_free(bn2); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_get_bignum2 giant"); MKBN(hexbn1, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_u32(p1, 65536), 0); ASSERT_INT_EQ(sshbuf_reserve(p1, 65536, NULL), 0); bn2 = BN_new(); r = sshbuf_get_bignum2(p1, bn2); ASSERT_INT_EQ(r, SSH_ERR_BIGNUM_TOO_LARGE); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 65536 + 4); BN_free(bn); BN_free(bn2); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_get_bignum2 bn2"); MKBN(hexbn2, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_u32(p1, BN_num_bytes(bn) + 1), 0); /* MSB */ ASSERT_INT_EQ(sshbuf_put_u8(p1, 0x00), 0); ASSERT_INT_EQ(sshbuf_put(p1, expbn2, sizeof(expbn2)), 0); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 4 + 1 + sizeof(expbn2)); ASSERT_INT_EQ(sshbuf_put_u16(p1, 0xd00f), 0); bn2 = BN_new(); ASSERT_INT_EQ(sshbuf_get_bignum2(p1, bn2), 0); ASSERT_BIGNUM_EQ(bn, bn2); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 2); BN_free(bn); BN_free(bn2); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_get_bignum2 bn2 truncated"); MKBN(hexbn2, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_u32(p1, BN_num_bytes(bn) + 1), 0); ASSERT_INT_EQ(sshbuf_put_u8(p1, 0x00), 0); ASSERT_INT_EQ(sshbuf_put(p1, expbn2, sizeof(expbn2) - 1), 0); bn2 = BN_new(); r = sshbuf_get_bignum2(p1, bn2); ASSERT_INT_EQ(r, SSH_ERR_MESSAGE_INCOMPLETE); ASSERT_SIZE_T_EQ(sshbuf_len(p1), sizeof(expbn2) + 1 + 4 - 1); BN_free(bn); BN_free(bn2); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_get_bignum2 bn2 negative"); MKBN(hexbn2, bn); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_u32(p1, BN_num_bytes(bn)), 0); ASSERT_INT_EQ(sshbuf_put(p1, expbn2, sizeof(expbn2)), 0); bn2 = BN_new(); r = sshbuf_get_bignum2(p1, bn2); ASSERT_INT_EQ(r, SSH_ERR_BIGNUM_IS_NEGATIVE); ASSERT_SIZE_T_EQ(sshbuf_len(p1), sizeof(expbn2) + 4); BN_free(bn); BN_free(bn2); sshbuf_free(p1); TEST_DONE(); TEST_START("sshbuf_put_ec"); eck = EC_KEY_new_by_curve_name(ec256_nid); ASSERT_PTR_NE(eck, NULL); ecp = EC_POINT_new(EC_KEY_get0_group(eck)); ASSERT_PTR_NE(ecp, NULL); MKBN(ec256_x, bn_x); MKBN(ec256_y, bn_y); ASSERT_INT_EQ(EC_POINT_set_affine_coordinates_GFp( EC_KEY_get0_group(eck), ecp, bn_x, bn_y, NULL), 1); ASSERT_INT_EQ(EC_KEY_set_public_key(eck, ecp), 1); EC_POINT_free(ecp); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_eckey(p1, eck), 0); ASSERT_INT_EQ(sshbuf_get_string_direct(p1, &d, &s), 0); ASSERT_SIZE_T_EQ(s, sizeof(expec256)); ASSERT_MEM_EQ(d, expec256, sizeof(expec256)); sshbuf_free(p1); EC_KEY_free(eck); TEST_DONE(); TEST_START("sshbuf_get_ec"); eck = EC_KEY_new_by_curve_name(ec256_nid); ASSERT_PTR_NE(eck, NULL); p1 = sshbuf_new(); ASSERT_PTR_NE(p1, NULL); ASSERT_INT_EQ(sshbuf_put_string(p1, expec256, sizeof(expec256)), 0); ASSERT_SIZE_T_EQ(sshbuf_len(p1), sizeof(expec256) + 4); ASSERT_INT_EQ(sshbuf_put_u8(p1, 0x00), 0); ASSERT_INT_EQ(sshbuf_get_eckey(p1, eck), 0); bn_x = BN_new(); bn_y = BN_new(); ASSERT_PTR_NE(bn_x, NULL); ASSERT_PTR_NE(bn_y, NULL); ASSERT_INT_EQ(EC_POINT_get_affine_coordinates_GFp( EC_KEY_get0_group(eck), EC_KEY_get0_public_key(eck), bn_x, bn_y, NULL), 1); MKBN(ec256_x, bn); MKBN(ec256_y, bn2); ASSERT_INT_EQ(BN_cmp(bn_x, bn), 0); ASSERT_INT_EQ(BN_cmp(bn_y, bn2), 0); ASSERT_SIZE_T_EQ(sshbuf_len(p1), 1); sshbuf_free(p1); EC_KEY_free(eck); BN_free(bn_x); BN_free(bn_y); BN_free(bn); BN_free(bn2); TEST_DONE(); }