From cf0486082b8709fbb9002cfafb9cea93805cf76d Mon Sep 17 00:00:00 2001 From: Alex Stapleton Date: Sat, 12 Apr 2014 12:48:59 +0100 Subject: ECDSA vector loader --- tests/utils.py | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) (limited to 'tests/utils.py') diff --git a/tests/utils.py b/tests/utils.py index 6ee735a1..5fa7e7e0 100644 --- a/tests/utils.py +++ b/tests/utils.py @@ -427,3 +427,58 @@ def load_fips_dsa_key_pair_vectors(vector_data): vectors[-1]['y'] = int(line.split("=")[1], 16) return vectors + + +def load_fips_ecdsa_key_pair_vectors(vector_data): + """ + Loads data out of the FIPS ECDSA KeyPair vector files. + """ + vectors = [] + key_data = None + + nist_name_map = { + "[P-192]": "secp192r1", + "[P-224]": "secp224r1", + "[P-256]": "secp192r1", + "[P-384]": "secp384r1", + "[P-521]": "secp521r1", + "[K-163]": "sect163k1", + "[K-233]": "sect233k1", + "[K-283]": "sect233k1", + "[K-409]": "sect409k1", + "[K-571]": "sect571k1", + "[B-163]": "sect163r2", + "[B-233]": "sect233r1", + "[B-283]": "sect283r1", + "[B-409]": "sect409r1", + "[B-571]": "sect571r1", + } + + for line in vector_data: + line = line.strip() + + if not line or line.startswith("#"): + continue + + if line in nist_name_map: + curve_name = nist_name_map[line] + + elif line.startswith("d = "): + if key_data is not None: + vectors.append(key_data) + + key_data = { + "curve": curve_name, + "d": int(line.split("=")[1], 16) + } + + elif key_data is not None: + if line.startswith("Qx = "): + key_data["x"] = int(line.split("=")[1], 16) + elif line.startswith("Qy = "): + key_data["y"] = int(line.split("=")[1], 16) + + if key_data is not None: + vectors.append(key_data) + + return vectors -- cgit v1.2.3