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[ruby/openssl] add BN#mod_sqrt

Browse source 
https://github.com/ruby/openssl/commit/4619ab3e76
This commit is contained in:
Ben Toews 2022-10-17 07:31:40 -06:00 committed by Kazuki Yamaguchi
parent e037731c9f
commit 149cb049f1
2 changed files with 14 additions and 0 deletions
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8
ext/openssl/ossl_bn.c
View file

@ -591,6 +591,13 @@ BIGNUM_2c(mod_sqr)
return obj; \ return obj; \
} }
/*
* Document-method: OpenSSL::BN#mod_sqrt
* call-seq:
* bn.mod_sqrt(bn2) => aBN
*/
BIGNUM_2cr(mod_sqrt)
/* /*
* call-seq: * call-seq:
* bn.mod_inverse(bn2) => aBN * bn.mod_inverse(bn2) => aBN
@ -1237,6 +1244,7 @@ Init_ossl_bn(void)
rb_define_method(cBN, "mod_sub", ossl_bn_mod_sub, 2); rb_define_method(cBN, "mod_sub", ossl_bn_mod_sub, 2);
rb_define_method(cBN, "mod_mul", ossl_bn_mod_mul, 2); rb_define_method(cBN, "mod_mul", ossl_bn_mod_mul, 2);
rb_define_method(cBN, "mod_sqr", ossl_bn_mod_sqr, 1); rb_define_method(cBN, "mod_sqr", ossl_bn_mod_sqr, 1);
rb_define_method(cBN, "mod_sqrt", ossl_bn_mod_sqrt, 1);
rb_define_method(cBN, "**", ossl_bn_exp, 1); rb_define_method(cBN, "**", ossl_bn_exp, 1);
rb_define_method(cBN, "mod_exp", ossl_bn_mod_exp, 2); rb_define_method(cBN, "mod_exp", ossl_bn_mod_exp, 2);
rb_define_method(cBN, "gcd", ossl_bn_gcd, 1); rb_define_method(cBN, "gcd", ossl_bn_gcd, 1);

6
test/openssl/test_bn.rb
View file

@ -174,6 +174,12 @@ class OpenSSL::TestBN < OpenSSL::TestCase
assert_equal(0, 59.to_bn.mod_sqr(59)) assert_equal(0, 59.to_bn.mod_sqr(59))
end end
def test_mod_sqrt
assert_equal(3, 4.to_bn.mod_sqrt(5))
assert_equal(0, 5.to_bn.mod_sqrt(5))
assert_raise(OpenSSL::BNError) { 3.to_bn.mod_sqrt(5) }
end
def test_mod_inverse def test_mod_inverse
assert_equal(2, 3.to_bn.mod_inverse(5)) assert_equal(2, 3.to_bn.mod_inverse(5))
assert_raise(OpenSSL::BNError) { 3.to_bn.mod_inverse(6) } assert_raise(OpenSSL::BNError) { 3.to_bn.mod_inverse(6) }