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Moved domain paramaters to ecp.c
This commit is contained in:
Manuel Pégourié-Gonnard
Paul Bakker
parent
62aad14139
commit
dada4da33f
@ -77,7 +77,7 @@ ecp_group;
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*
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* \warning This library does not support validation of arbitrary domain
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* parameters. Therefore, only well-known domain parameters from trusted
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* sources (such as the ones below) should be used.
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* sources (such as the ones below) should be used. See ecp_use_known_dp().
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*/
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#define POLARSSL_ECP_DP_SECP192R1 0
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#define POLARSSL_ECP_DP_SECP224R1 1
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@ -85,76 +85,6 @@ ecp_group;
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#define POLARSSL_ECP_DP_SECP384R1 3
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#define POLARSSL_ECP_DP_SECP521R1 4
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#define POLARSSL_ECP_SECP192R1_P \
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF"
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#define POLARSSL_ECP_SECP192R1_B \
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"64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1"
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#define POLARSSL_ECP_SECP192R1_GX \
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"188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012"
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#define POLARSSL_ECP_SECP192R1_GY \
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"07192B95FFC8DA78631011ED6B24CDD573F977A11E794811"
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#define POLARSSL_ECP_SECP192R1_N \
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"FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831"
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#define POLARSSL_ECP_SECP224R1_P \
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001"
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#define POLARSSL_ECP_SECP224R1_B \
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"B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4"
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#define POLARSSL_ECP_SECP224R1_GX \
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"B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21"
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#define POLARSSL_ECP_SECP224R1_GY \
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"BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34"
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#define POLARSSL_ECP_SECP224R1_N \
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D"
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#define POLARSSL_ECP_SECP256R1_P \
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"FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF"
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#define POLARSSL_ECP_SECP256R1_B \
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"5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B"
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#define POLARSSL_ECP_SECP256R1_GX \
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"6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296"
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#define POLARSSL_ECP_SECP256R1_GY \
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"4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5"
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#define POLARSSL_ECP_SECP256R1_N \
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"FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551"
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#define POLARSSL_ECP_SECP384R1_P \
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" \
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"FFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF"
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#define POLARSSL_ECP_SECP384R1_B \
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"B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE814112" \
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"0314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF"
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#define POLARSSL_ECP_SECP384R1_GX \
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"AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B98" \
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"59F741E082542A385502F25DBF55296C3A545E3872760AB7"
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#define POLARSSL_ECP_SECP384R1_GY \
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"3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A147C" \
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"E9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F"
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#define POLARSSL_ECP_SECP384R1_N \
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" \
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"C7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973"
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#define POLARSSL_ECP_SECP521R1_P \
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"000001FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" \
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" \
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
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#define POLARSSL_ECP_SECP521R1_B \
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"00000051953EB9618E1C9A1F929A21A0B68540EEA2DA725B" \
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"99B315F3B8B489918EF109E156193951EC7E937B1652C0BD" \
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"3BB1BF073573DF883D2C34F1EF451FD46B503F00"
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#define POLARSSL_ECP_SECP521R1_GX \
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"000000C6858E06B70404E9CD9E3ECB662395B4429C648139" \
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"053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127" \
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"A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66"
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#define POLARSSL_ECP_SECP521R1_GY \
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"0000011839296A789A3BC0045C8A5FB42C7D1BD998F54449" \
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"579B446817AFBD17273E662C97EE72995EF42640C550B901" \
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"3FAD0761353C7086A272C24088BE94769FD16650"
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#define POLARSSL_ECP_SECP521R1_N \
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"000001FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" \
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"FFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148" \
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"F709A5D03BB5C9B8899C47AEBB6FB71E91386409"
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#ifdef __cplusplus
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extern "C" {
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#endif
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148
library/ecp.c
148
library/ecp.c
@ -190,7 +190,7 @@ cleanup:
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/*
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* Size of p521 in terms of t_uint
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*/
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#define P521_SIZE_INT ( 521 / (sizeof( t_uint ) << 3) + 1 )
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#define P521_SIZE_INT ( 521 / ( sizeof( t_uint ) << 3 ) + 1 )
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/*
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* Bits to keep in the most significant t_uint
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@ -203,9 +203,6 @@ cleanup:
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/*
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* Fast quasi-reduction modulo p521 (FIPS 186-3 D.2.5)
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*
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* It is required that 0 <= N < 2^(2*521) on entry.
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* On exit, it is only guaranteed that 0 <= N < 2^(521+1).
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*/
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static int ecp_mod_p521( mpi *N )
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{
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@ -232,6 +229,91 @@ cleanup:
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return( ret );
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}
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/*
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* Domain parameters for secp192r1
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*/
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#define SECP192R1_P \
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF"
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#define SECP192R1_B \
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"64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1"
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#define SECP192R1_GX \
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"188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012"
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#define SECP192R1_GY \
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"07192B95FFC8DA78631011ED6B24CDD573F977A11E794811"
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#define SECP192R1_N \
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"FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831"
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/*
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* Domain parameters for secp224r1
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*/
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#define SECP224R1_P \
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001"
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#define SECP224R1_B \
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"B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4"
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#define SECP224R1_GX \
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"B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21"
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#define SECP224R1_GY \
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"BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34"
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#define SECP224R1_N \
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D"
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/*
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* Domain parameters for secp256r1
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*/
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#define SECP256R1_P \
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"FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF"
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#define SECP256R1_B \
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"5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B"
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#define SECP256R1_GX \
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"6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296"
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#define SECP256R1_GY \
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"4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5"
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#define SECP256R1_N \
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"FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551"
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/*
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* Domain parameters for secp384r1
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*/
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#define SECP384R1_P \
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" \
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"FFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF"
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#define SECP384R1_B \
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"B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE814112" \
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"0314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF"
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#define SECP384R1_GX \
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"AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B98" \
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"59F741E082542A385502F25DBF55296C3A545E3872760AB7"
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#define SECP384R1_GY \
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"3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A147C" \
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"E9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F"
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#define SECP384R1_N \
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" \
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"C7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973"
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/*
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* Domain parameters for secp521r1
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*/
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#define SECP521R1_P \
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"000001FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" \
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" \
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
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#define SECP521R1_B \
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"00000051953EB9618E1C9A1F929A21A0B68540EEA2DA725B" \
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"99B315F3B8B489918EF109E156193951EC7E937B1652C0BD" \
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"3BB1BF073573DF883D2C34F1EF451FD46B503F00"
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#define SECP521R1_GX \
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"000000C6858E06B70404E9CD9E3ECB662395B4429C648139" \
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"053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127" \
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"A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66"
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#define SECP521R1_GY \
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"0000011839296A789A3BC0045C8A5FB42C7D1BD998F54449" \
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"579B446817AFBD17273E662C97EE72995EF42640C550B901" \
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"3FAD0761353C7086A272C24088BE94769FD16650"
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#define SECP521R1_N \
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"000001FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" \
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"FFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148" \
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"F709A5D03BB5C9B8899C47AEBB6FB71E91386409"
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/*
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* Set a group using well-known domain parameters
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*/
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@ -241,51 +323,45 @@ int ecp_use_known_dp( ecp_group *grp, size_t index )
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{
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case POLARSSL_ECP_DP_SECP192R1:
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return( ecp_group_read_string( grp, 16,
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POLARSSL_ECP_SECP192R1_P,
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POLARSSL_ECP_SECP192R1_B,
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POLARSSL_ECP_SECP192R1_GX,
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POLARSSL_ECP_SECP192R1_GY,
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POLARSSL_ECP_SECP192R1_N )
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);
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SECP192R1_P, SECP192R1_B,
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SECP192R1_GX, SECP192R1_GY, SECP192R1_N ) );
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case POLARSSL_ECP_DP_SECP224R1:
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return( ecp_group_read_string( grp, 16,
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POLARSSL_ECP_SECP224R1_P,
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POLARSSL_ECP_SECP224R1_B,
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POLARSSL_ECP_SECP224R1_GX,
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POLARSSL_ECP_SECP224R1_GY,
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POLARSSL_ECP_SECP224R1_N )
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);
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SECP224R1_P, SECP224R1_B,
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SECP224R1_GX, SECP224R1_GY, SECP224R1_N ) );
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case POLARSSL_ECP_DP_SECP256R1:
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return( ecp_group_read_string( grp, 16,
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POLARSSL_ECP_SECP256R1_P,
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POLARSSL_ECP_SECP256R1_B,
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POLARSSL_ECP_SECP256R1_GX,
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POLARSSL_ECP_SECP256R1_GY,
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POLARSSL_ECP_SECP256R1_N )
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);
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SECP256R1_P, SECP256R1_B,
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SECP256R1_GX, SECP256R1_GY, SECP256R1_N ) );
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case POLARSSL_ECP_DP_SECP384R1:
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return( ecp_group_read_string( grp, 16,
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POLARSSL_ECP_SECP384R1_P,
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POLARSSL_ECP_SECP384R1_B,
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POLARSSL_ECP_SECP384R1_GX,
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POLARSSL_ECP_SECP384R1_GY,
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POLARSSL_ECP_SECP384R1_N )
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);
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SECP384R1_P, SECP384R1_B,
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SECP384R1_GX, SECP384R1_GY, SECP384R1_N ) );
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case POLARSSL_ECP_DP_SECP521R1:
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grp->modp = ecp_mod_p521;
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grp->pbits = 521;
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return( ecp_group_read_string( grp, 16,
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POLARSSL_ECP_SECP521R1_P,
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POLARSSL_ECP_SECP521R1_B,
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POLARSSL_ECP_SECP521R1_GX,
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POLARSSL_ECP_SECP521R1_GY,
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POLARSSL_ECP_SECP521R1_N )
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);
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SECP521R1_P, SECP521R1_B,
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SECP521R1_GX, SECP521R1_GY, SECP521R1_N ) );
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}
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return( POLARSSL_ERR_ECP_GENERIC );
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}
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/*
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* Fast mod-p functions expect an argument in the 0 .. p^2 range.
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*
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* In order to garantee that, we need to ensure that operands of
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* mpi_mul_mpi are in the 0 .. p range. So, after each operation we will
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* bring the result back to this range.
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*
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* The following macros are helpers for that.
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*/
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/*
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* Reduce a mpi mod p in-place, general case, to use after mpi_mul_mpi
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*/
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@ -306,8 +382,8 @@ int ecp_use_known_dp( ecp_group *grp, size_t index )
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MPI_CHK( mpi_sub_mpi( &N, &N, &grp->P ) )
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/*
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* Internal point format used for fast addition/doubling/multiplication:
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* Jacobian coordinates (GECC example 3.20)
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* Internal point format used for fast (that is, without mpi_inv_mod)
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* addition/doubling/multiplication: Jacobian coordinates (GECC ex 3.20)
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*/
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typedef struct
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{
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