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authorJack Lloyd <[email protected]>2018-02-25 18:56:20 -0500
committerJack Lloyd <[email protected]>2018-02-25 18:56:20 -0500
commitbccd06762895cd572a30858fd591753d4f769a4d (patch)
tree2875721c50212a19f932c07520858d0e2ea823c6 /src/lib/math/numbertheory/curve_nistp.h
parenta3d712149cfe7fc8a2ce8885bd29264cff496639 (diff)
Merge ec_gfp and ec_group modules
They were already somewhat entangled and future work will increase that (eg by having PointGFp hold a pointer to EC_Group)
Diffstat (limited to 'src/lib/math/numbertheory/curve_nistp.h')
-rw-r--r--src/lib/math/numbertheory/curve_nistp.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/src/lib/math/numbertheory/curve_nistp.h b/src/lib/math/numbertheory/curve_nistp.h
new file mode 100644
index 000000000..c9936a338
--- /dev/null
+++ b/src/lib/math/numbertheory/curve_nistp.h
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+/*
+* Arithmetic operations specialized for NIST ECC primes
+* (C) 2014,2015 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_NIST_PRIMES_H_
+#define BOTAN_NIST_PRIMES_H_
+
+#include <botan/bigint.h>
+
+namespace Botan {
+
+/**
+* NIST Prime reduction functions.
+*
+* Reduces the value in place
+*
+* ws is a workspace function which is used as a temporary,
+* and will be resized as needed.
+*/
+BOTAN_PUBLIC_API(2,0) const BigInt& prime_p521();
+BOTAN_PUBLIC_API(2,0) void redc_p521(BigInt& x, secure_vector<word>& ws);
+
+#if (BOTAN_MP_WORD_BITS == 32) || (BOTAN_MP_WORD_BITS == 64)
+
+#define BOTAN_HAS_NIST_PRIME_REDUCERS_W32
+
+BOTAN_PUBLIC_API(2,0) const BigInt& prime_p384();
+BOTAN_PUBLIC_API(2,0) void redc_p384(BigInt& x, secure_vector<word>& ws);
+
+BOTAN_PUBLIC_API(2,0) const BigInt& prime_p256();
+BOTAN_PUBLIC_API(2,0) void redc_p256(BigInt& x, secure_vector<word>& ws);
+
+BOTAN_PUBLIC_API(2,0) const BigInt& prime_p224();
+BOTAN_PUBLIC_API(2,0) void redc_p224(BigInt& x, secure_vector<word>& ws);
+
+BOTAN_PUBLIC_API(2,0) const BigInt& prime_p192();
+BOTAN_PUBLIC_API(2,0) void redc_p192(BigInt& x, secure_vector<word>& ws);
+
+#endif
+
+}
+
+#endif