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Diffstat (limited to 'ecdsa_fpga_curve.h')
| -rw-r--r-- | ecdsa_fpga_curve.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/ecdsa_fpga_curve.h b/ecdsa_fpga_curve.h new file mode 100644 index 0000000..00448eb --- /dev/null +++ b/ecdsa_fpga_curve.h @@ -0,0 +1,203 @@ +//------------------------------------------------------------------------------ +// +// ecdsa_fpga_curve.h +// ---------------------------------------------- +// Elliptic curve arithmetic procedures for ECDSA +// +// Authors: Pavel Shatov +// +// Copyright (c) 2015-2016, 2018 NORDUnet A/S +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: +// +// - Redistributions of source code must retain the above copyright notice, +// this list of conditions and the following disclaimer. +// +// - Redistributions in binary form must reproduce the above copyright notice, +// this list of conditions and the following disclaimer in the documentation +// and/or other materials provided with the distribution. +// +// - Neither the name of the NORDUnet nor the names of its contributors may be +// used to endorse or promote products derived from this software without +// specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE +// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +// POSSIBILITY OF SUCH DAMAGE. +// +//------------------------------------------------------------------------------ + + +//------------------------------------------------------------------------------ +// ECDSA Parameters (P-256) +//------------------------------------------------------------------------------ + +/* Base Point */ +#define ECDSA_P256_GX_INIT \ + {0x6b17d1f2, 0xe12c4247, 0xf8bce6e5, 0x63a440f2, \ + 0x77037d81, 0x2deb33a0, 0xf4a13945, 0xd898c296} + +#define ECDSA_P256_GY_INIT \ + {0x4fe342e2, 0xfe1a7f9b, 0x8ee7eb4a, 0x7c0f9e16, \ + 0x2bce3357, 0x6b315ece, 0xcbb64068, 0x37bf51f5} + +/* Doubled Base Point */ +#define ECDSA_P256_HX_INIT \ + {0x7cf27b18, 0x8d034f7e, 0x8a523803, 0x04b51ac3, \ + 0xc08969e2, 0x77f21b35, 0xa60b48fc, 0x47669978} + +#define ECDSA_P256_HY_INIT \ + {0x07775510, 0xdb8ed040, 0x293d9ac6, 0x9f7430db, \ + 0xba7dade6, 0x3ce98229, 0x9e04b79d, 0x227873d1} + +/* Order of the Base Point */ +#define ECDSA_P256_N_INIT \ + {0xffffffff, 0x00000000, 0xffffffff, 0xffffffff, \ + 0xbce6faad, 0xa7179e84, 0xf3b9cac2, 0xfc632551} + + +//------------------------------------------------------------------------------ +// ECDSA Parameters (P-384) +//------------------------------------------------------------------------------ + +/* Base Point */ +#define ECDSA_P384_GX_INIT \ + {0xaa87ca22, 0xbe8b0537, 0x8eb1c71e, 0xf320ad74, \ + 0x6e1d3b62, 0x8ba79b98, 0x59f741e0, 0x82542a38, \ + 0x5502f25d, 0xbf55296c, 0x3a545e38, 0x72760ab7} + +#define ECDSA_P384_GY_INIT \ + {0x3617de4a, 0x96262c6f, 0x5d9e98bf, 0x9292dc29, \ + 0xf8f41dbd, 0x289a147c, 0xe9da3113, 0xb5f0b8c0, \ + 0x0a60b1ce, 0x1d7e819d, 0x7a431d7c, 0x90ea0e5f} + +/* Doubled Base Point */ +#define ECDSA_P384_HX_INIT \ + {0x08d99905, 0x7ba3d2d9, 0x69260045, 0xc55b97f0, \ + 0x89025959, 0xa6f434d6, 0x51d207d1, 0x9fb96e9e, \ + 0x4fe0e86e, 0xbe0e64f8, 0x5b96a9c7, 0x5295df61} + +#define ECDSA_P384_HY_INIT \ + {0x8e80f1fa, 0x5b1b3ced, 0xb7bfe8df, 0xfd6dba74, \ + 0xb275d875, 0xbc6cc43e, 0x904e505f, 0x256ab425, \ + 0x5ffd43e9, 0x4d39e22d, 0x61501e70, 0x0a940e80} + +/* Order of the Base Point */ +#define ECDSA_P384_N_INIT \ + {0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, \ + 0xffffffff, 0xffffffff, 0xc7634d81, 0xf4372ddf, \ + 0x581a0db2, 0x48b0a77a, 0xecec196a, 0xccc52973} + +//------------------------------------------------------------------------------ +// ECDSA Parameters Switch +//------------------------------------------------------------------------------ +#if USE_CURVE == 1 + +#define ECDSA_GX_INIT ECDSA_P256_GX_INIT +#define ECDSA_GY_INIT ECDSA_P256_GY_INIT +#define ECDSA_HX_INIT ECDSA_P256_HX_INIT +#define ECDSA_HY_INIT ECDSA_P256_HY_INIT + +#define ECDSA_N_INIT ECDSA_P256_N_INIT + +#elif USE_CURVE == 2 + +#define ECDSA_GX_INIT ECDSA_P384_GX_INIT +#define ECDSA_GY_INIT ECDSA_P384_GY_INIT +#define ECDSA_HX_INIT ECDSA_P384_HX_INIT +#define ECDSA_HY_INIT ECDSA_P384_HY_INIT + +#define ECDSA_N_INIT ECDSA_P384_N_INIT + +#else + +BAD_CURVE + +#endif + + +//------------------------------------------------------------------------------ +// Globals +//------------------------------------------------------------------------------ +extern FPGA_BUFFER ECDSA_GX, ECDSA_GY; +extern FPGA_BUFFER ECDSA_HX, ECDSA_HY; +extern FPGA_BUFFER ECDSA_N; + + +//------------------------------------------------------------------------------ +// Switch +//------------------------------------------------------------------------------ +#ifdef USE_MICROCODE + +#define fpga_curve_base_scalar_multiply fpga_curve_base_scalar_multiply_microcode +#define fpga_curve_add_jacobian fpga_curve_add_jacobian_microcode_wrapper +#define fpga_curve_double_jacobian fpga_curve_double_jacobian_microcode_wrapper + +#else + +#define fpga_curve_base_scalar_multiply fpga_curve_base_scalar_multiply_abstract +#define fpga_curve_add_jacobian fpga_curve_add_jacobian_abstract +#define fpga_curve_double_jacobian fpga_curve_double_jacobian_abstract + +#endif + + +//------------------------------------------------------------------------------ +// Prototypes +//------------------------------------------------------------------------------ +void fpga_curve_init (); + +void fpga_curve_base_scalar_multiply_abstract (const FPGA_BUFFER *k, + FPGA_BUFFER *qx, + FPGA_BUFFER *qy); + +void fpga_curve_base_scalar_multiply_microcode (const FPGA_BUFFER *k, + FPGA_BUFFER *qx, + FPGA_BUFFER *qy); + +void fpga_curve_add_jacobian_abstract (const FPGA_BUFFER *px, + const FPGA_BUFFER *py, + const FPGA_BUFFER *pz, + FPGA_BUFFER *rx, + FPGA_BUFFER *ry, + FPGA_BUFFER *rz); + +void fpga_curve_double_jacobian_abstract (const FPGA_BUFFER *px, + const FPGA_BUFFER *py, + const FPGA_BUFFER *pz, + FPGA_BUFFER *rx, + FPGA_BUFFER *ry, + FPGA_BUFFER *rz); + +void fpga_curve_add_jacobian_microcode (); + +void fpga_curve_double_jacobian_microcode (); + +void fpga_curve_add_jacobian_microcode_wrapper (const FPGA_BUFFER *px, + const FPGA_BUFFER *py, + const FPGA_BUFFER *pz, + FPGA_BUFFER *rx, + FPGA_BUFFER *ry, + FPGA_BUFFER *rz); + + +void fpga_curve_double_jacobian_microcode_wrapper (const FPGA_BUFFER *px, + const FPGA_BUFFER *py, + const FPGA_BUFFER *pz, + FPGA_BUFFER *rx, + FPGA_BUFFER *ry, + FPGA_BUFFER *rz); + + +//------------------------------------------------------------------------------ +// End-of-File +//------------------------------------------------------------------------------ |