First stumblings towards ECDSA test code.

1 files changed, 61 insertions, 0 deletions

diff --git a/tests/test-ecdsa.py b/tests/test-ecdsa.py
new file mode 100644
index 0000000..8fb33f1
--- /dev/null
+++ b/tests/test-ecdsa.py
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+# Test vectors from "Suite B Implementer's Guide to FIPS 186-3".
+#
+# e is given in decimal, all other values are hex, because that's how
+# these were given in the paper
+#
+# This script will probably become a bit more elaborate at some later date, eg,
+# to add ASN.1 encoding.
+
+p256_d    = 0x70a12c2db16845ed56ff68cfc21a472b3f04d7d6851bf6349f2d7d5b3452b38a
+p256_Qx   = 0x8101ece47464a6ead70cf69a6e2bd3d88691a3262d22cba4f7635eaff26680a8
+p256_Qy   = 0xd8a12ba61d599235f67d9cb4d58f1783d3ca43e78f0a5abaa624079936c0c3a9
+p256_k    = 0x580ec00d856434334cef3f71ecaed4965b12ae37fa47055b1965c7b134ee45d0
+p256_kinv = 0x6a664fa115356d33f16331b54c4e7ce967965386c7dcbf2904604d0c132b4a74
+p256_Rx   = 0x7214bc9647160bbd39ff2f80533f5dc6ddd70ddf86bb815661e805d5d4e6f27c
+p256_Ry   = 0x8b81e3e977597110c7cf2633435b2294b72642987defd3d4007e1cfc5df84541
+p256_r    = p256_Rx
+p256_M    = 0x54686973206973206f6e6c7920612074657374206d6573736167652e204974206973203438206279746573206c6f6e67
+p256_H    = 0x7c3e883ddc8bd688f96eac5e9324222c8f30f9d6bb59e9c5f020bd39ba2b8377
+p256_e    = 56197278047627432394583341962843287937266210957576322469816113796290471232375
+p256_s    = 0x7d1ff961980f961bdaa3233b6209f4013317d3e3f9e1493592dbeaa1af2bc367
+p256_w    = 0xd69be75f67ee5394cabb6c286f3610cf62d722cba9eea70faee770a6b2ed72dc
+p256_u1   = 0xbb252401d6fb322bb747184cf2ac52bf8d54b95a1515062a2f6141f2e2092ed8
+p256_u2   = 0xaae7d1c7f2c232dfc641948af3dba141d4de8634e571cf84c486301b510cfc04
+p256_v    = 0x7214bc9647160bbd39ff2f80533f5dc6ddd70ddf86bb815661e805d5d4e6f27c
+
+p384_d    = 0xc838b85253ef8dc7394fa5808a5183981c7deef5a69ba8f4f2117ffea39cfcd90e95f6cbc854abacab701d50c1f3cf24
+p384_Qx   = 0x1fbac8eebd0cbf35640b39efe0808dd774debff20a2a329e91713baf7d7f3c3e81546d883730bee7e48678f857b02ca0
+p384_Qy   = 0xeb213103bd68ce343365a8a4c3d4555fa385f5330203bdd76ffad1f3affb95751c132007e1b240353cb0a4cf1693bdf9
+p384_k    = 0xdc6b44036989a196e39d1cdac000812f4bdd8b2db41bb33af51372585ebd1db63f0ce8275aa1fd45e2d2a735f8749359
+p384_kinv = 0x7436f03088e65c37ba8e7b33887fbc87757514d611f7d1fbdf6d2104a297ad318cdbf7404e4ba37e599666df37b8d8be
+p384_Rx   = 0xa0c27ec893092dea1e1bd2ccfed3cf945c8134ed0c9f81311a0f4a05942db8dbed8dd59f267471d5462aa14fe72de856
+p384_Ry   = 0x855649409815bb91424eaca5fd76c97375d575d1422ec53d343bd33b847fdf0c11569685b528ab25493015428d7cf72b
+p384_r    = p384_Rx
+p384_M    = 0x54686973206973206f6e6c7920612074657374206d6573736167652e204974206973203438206279746573206c6f6e67
+p384_H    = 0xb9210c9d7e20897ab86597266a9d5077e8db1b06f7220ed6ee75bd8b45db37891f8ba5550304004159f4453dc5b3f5a1
+p384_e    = 28493976155450475404302482243066463769180620629462008675793884393889401828800663731864240088367206094074919580333473
+p384_s    = 0x20ab3f45b74f10b6e11f96a2c8eb694d206b9dda86d3c7e331c26b22c987b7537726577667adadf168ebbe803794a402
+p384_w    = 0x1798845cd0a6cea5327c501a71a4baf2f7be882cfbc303750a7c861af8fe8225467a257f5bf91a4aaa5a79a8637d218a
+p384_u1   = 0x6ce25649d42d223e020c11140fe772326612bb11b686d35ee98ed4550e0635d9dd3a2afbca0cf2c4baedcd23313b189e
+p384_u2   = 0xf3b240751d5d8ed394a4b5bf8e2a4c0e1e21aa51f2620a08b8c55a2bc334c9689923162648f06e5f4659fc526d9c1fd6
+p384_v    = 0xa0c27ec893092dea1e1bd2ccfed3cf945c8134ed0c9f81311a0f4a05942db8dbed8dd59f267471d5462aa14fe72de856
+
+from textwrap import TextWrapper
+from os.path import basename
+from sys import argv
+
+wrapper = TextWrapper(width = 78, initial_indent = " " * 2, subsequent_indent = " " * 2)
+
+print "/*"
+print " * ECDSA test data."
+print " * File automatically generated by", basename(argv[0])
+print " */"
+
+for name in sorted(dir()):
+  if name.startswith("p256_") or name.startswith("p384_"):
+    value = "%x" % globals()[name]
+    value = ("0" + value if len(value) & 1 else value).decode("hex")
+    print
+    print "static const uint8_t %s[] = { /* %d bytes */" % (name, len(value))
+    print wrapper.fill(", ".join("0x%02x" % ord(v) for v in value))
+    print "};"