[PATCH] fix negative modulus in rsa testcases
From: Lei He <hidden>
Date: 2021-10-25 06:58:30
Also in:
lkml
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
according to the BER encoding rules, integer value is encoded as two's complement, and if the highest bit of a positive integer is 1, should add an leading zero octet. this test case will prevent some crypto-drivers that sign sensitive from passing self-test. Signed-off-by: Lei He <redacted> --- crypto/testmgr.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/crypto/testmgr.h b/crypto/testmgr.h
index 779720bf9364..a253d66ba1c1 100644
--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h@@ -257,9 +257,9 @@ static const struct akcipher_testvec rsa_tv_template[] = { }, { #endif .key = - "\x30\x82\x02\x1F" /* sequence of 543 bytes */ + "\x30\x82\x02\x20" /* sequence of 544 bytes */ "\x02\x01\x01" /* version - integer of 1 byte */ - "\x02\x82\x01\x00" /* modulus - integer of 256 bytes */ + "\x02\x82\x01\x01\x00" /* modulus - integer of 256 bytes */ "\xDB\x10\x1A\xC2\xA3\xF1\xDC\xFF\x13\x6B\xED\x44\xDF\xF0\x02\x6D" "\x13\xC7\x88\xDA\x70\x6B\x54\xF1\xE8\x27\xDC\xC3\x0F\x99\x6A\xFA" "\xC6\x67\xFF\x1D\x1E\x3C\x1D\xC1\xB5\x5F\x6C\xC0\xB2\x07\x3A\x6D"
@@ -299,7 +299,7 @@ static const struct akcipher_testvec rsa_tv_template[] = { "\x02\x01\x00" /* exponent1 - integer of 1 byte */ "\x02\x01\x00" /* exponent2 - integer of 1 byte */ "\x02\x01\x00", /* coefficient - integer of 1 byte */ - .key_len = 547, + .key_len = 548, .m = "\x54\x85\x9b\x34\x2c\x49\xea\x2a", .c = "\xb2\x97\x76\xb4\xae\x3e\x38\x3c\x7e\x64\x1f\xcc\xa2\x7f\xf6\xbe"
--
2.11.0