Archived news (2003 – 2012)

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Small 64-bit adjustments for AES,
version 1.53 of the standard include file in std.zip,
and a few new links

Updated preliminary Keccak (SHA-3) implementation
with 64-bit code, HMAC unit, and Monte Carlo tests

MPArith V1.23.24 with
improved power and root functions,
Cornacchia algorithm for prime products,
valuation related functions,
two new units forked from mp_numth,
and more.
A first Pascal/Delphi Keccak implementation using the SHA-3 NIST API
Some corrections in the AMath Special Functions Reference Manual with Implementation Notes

MPArith V1.22.28 with
Borwein/Schönhage factorial algorithm,
Cornacchia algorithm for prime powers,
full longint range for prime number generator,
fundamental units of real quadratic fields,
Pollard-Brent factorization, and more.
Version 1.52 of standard include file in std.zip
with basic support for D14, D15(XE), D16(XE2), D17(XE3)

64-bit adjustments for the remaining block ciphers:
Anubis,
Camellia,
SEED,
Serpent,
SHACAL-2,
SkipJack, and
XTEA.
MPArith V1.21.35
with 32-bit prime factorization and related functions (PrimeFactor32,
EulerPhi32, primroot32, …), primepi32 with Lehmer’s algorithm,
Shanks‘ SQUFOF, faster mpf_numbpart, new mp_catalan, mp_perm, mp_poch, and more.

Changes on the Crypto page:
Updated AMath archive:

64-bit adjustments for the main ciphers
AES,
Salsa20/XSalsa20/ChaCha,
Sosemanuk,
Blowfish, and
Twofish.
Stream cipher ChaCha with optional fast BASM32 code contributed by EddyHawk
Updated FCA demo programs: 64-bit with PPCH

Unit AMath V1.59:
Power(x,y) uses intpower only for |y| < 8192; constant sqrt_epsh = sqrt(eps_x/2);
and fixed fix of exp/3/5/7/10 for very large x.
Special Functions units with
new functions
(Fermi-Dirac integrals,
generalized Dawson integral,
generalized error function,
generalized exponential integral,
repeated integrals of erfc,
Tricomi’s incomplete gamma,
etaint and internal/debug functions sfc_taylor, sfc_diagctr and sfc_write_debug_str);
improved functions
(sfc_rgamma,
sfc_en with uniform asymptotic expansion ep_largep for n >= 10000);
and fixes
(corrected bound in sfc_en,
sfc_igprefix for a < 1 and underflow of exp(-x)).

Unit AMath V1.56 with new functions
(Langevin, PolEvalCHE/X, PolEvalEE/X, rint) and two small fixes.
Special Functions units with
new functions (non-normalised incomplete igamma/igammal,
legendre_qlm,
lngammas,
poch1,
toroidal_plm,
toroidal_qlm),
improved functions (legendre_p, legendre_plm, legendre_q for |x| > 1;
gamma;
gamma_delta_ratio for negative arguments;
LegendreChi; pochhammer)
and fixes (special case in sfc_incgamma_ex;
avoid over/underflow for large x in debye_dei).

CRC/Hash/HMAC standard archive and
PPCH Pure-Pascal version
with fully integrated Hash algorithms SHA-512/224 and SHA-512/256 from FIPS 180-4
and improved 64-bit compatibility
Updated CRC/Hash demo programs
Unit TSC V0.38 with
improved 64-bit compatibility in the util archive

Updated AMath archive:
There is the new Special Functions unit
sfzeta.pas with zeta functions, polylogarithms and related.
New functions: DirichletBeta, DirichletLambda, LegendreChi, LerchPhi,
polylogr (polylogarithm of real order).
MPArith V1.20.24
with the first release of 64-bit compatible code,
fast subquadratic conversion to ansistring, fast AGM based logarithm.
The introduction and the
t_rcalc calculator
are adjusted.
Updated util archive with 64-bit compatibility changes
Version 1.51 of standard include file in std.zip

Special Functions units:
New modified spherical Bessel functions, primezeta, lnfac;
new statistical distributions (binomial, negative binomial, hypergeometric, Poisson, triangular);
improved and extended Debye functions.
Unit AMath V1.50 with exp5 and exp7
MPArith V1.19.04 with up to 32640 mp_digits
for MP_32BIT and MP_16BIT (i.e. over a million bits per mp_int with
DIGIT_BIT = 31), and some minor fixes.
The Compvers V0.24 unit from the
util archive supports FPC 2.6.0
Version 1.48 of standard include file in std.zip

Special Functions units:
Improved lngamma, new function lngamma1p; improved incomplete normalised Beta function,
Hurwitz Zeta range extended to 0 <= s < 1;
Unit AMTools with
Finite Hilbert Transform and Double Exponential Transformation for automatic quadrature;
Unit AMath V1.49
with fixes for extreme arguments in arccsch, arcsech, arccsc.

Extended ranges: reciprocal-modulus transformation in EllipticE,
dfac for odd negative n,
Some improvements, e.g. polygamma with hard-coded polynomials for x < 0 and 1 ≤ n ≤ 10,
Fix: t_cdf for t>0 and large nu,
Reciprocal gamma function renamed to rgamma (formerly invgamma).

MPArith V1.18.07 with
additional mp_float functions
(mpf_arcgd,
mpf_archav,
mpf_coshm1,
mpf_gd,
mpf_hav,
mpf_lambertw,
mpf_sinc)
and improved mpf_tanh
Unit AMath V1.46 with new
(DegToRad,
Hex2Dbl,
Hex2Ext,
Hex2Sgl,
hypot3,
RadToDeg)
and improved (covers, coshm1, vers) functions
New Special functions:
comp_ellint_1/2/3,
ein,
ellint_1/2/3,
erfce,
heuman_lambda,
jacobi_am,
jacobi_arcsn/cn/dn,
jacobi_sn/cn/dn,
jacobi_zeta

New special functions:
Struve functions (H0, H1, L0, and L1), Jacobi theta functions,
elliptic modulus, and elliptic nome
Unit AMath V1.39
with improved argument reduction functions rem_pio2 and rem_2pi
The Compvers V0.23 unit from the
util archive supports FPC 2.4.4

AMath V1.36: Accurate geometric functions (angle2, area_triangle, in_triangle, orient2)
Special functions units:
Zero order Kelvin functions (ber, bei, ker, kei) and additional statistical
distributions (Cauchy, exponential, Laplace, logistic, lognormal, normal,
Pareto, uniform, Weibull)

Unit AMTools with new procedures for
adaptive numerical integration
of one-dimensional functions over finite or infinite intervals
Three new functions (isign, RandG, RandG01) in the AMath V1.33 unit

New secure hash algorithms SHA-512/224 and SHA-512/256
on the CRC/Hash page.
Unit AMath V1.31 with
with additional trigonometric (arcgd, archav, covers, gd, hav, vers)
and ulp functions; new special functions
(Goodwin-Staton integral, imaginary error function, RiemannR, expint3).

AMath V1.24 with many new single
functions, RoundingMode-safe exp, exp3, exp10, and arccos.
Updated or removed some links

Updated AMath archive:
Polygamma, polylogarithms, Debye functions, binomial coefficients, and more
in the Special functions units
MPArith V1.17.06 with
RSASSA-PKCS1-V1_5 signature generation/verification and some minor changes

New HKDF Key Derivation Function according to RFC 5869
Updated information about Hash/HMAC/KDF routines
User-requested CRC-16/Sick algorithm
Updated demo programs (source and binary)

Updated AMath archive:
Bessel functions of real order, spherical Bessel functions, Airy functions
in the
Special functions units.
The Compvers V0.22 unit from the
util archive supports FPC 2.4.2
Version 1.46 of standard include file in std.zip

AMath unit:
Type definitions for AMTools functions and compatible int, frac, arctan, sqrt;
statistical moments, skewness, and kurtosis of vectors.
Special functions:
Hurwitz zeta function, Pochhammer symbol, gamma ratios and double factorial;
sfPoly
unit implementing orthogonal polynomials and related.
New AMTools unit
for root finding, function minimization, and quadratic equations solving.

New AES_GCM unit implementing Galois/Counter mode
Updated Mem_Util V0.99 unit

AMath unit:
Significantly improved accuracy for the power function; more accurate ln1pmx;
new exp2m1; bugfix versions of frac, int, trunc for Delphi 2-5 and FPC 1
Special functions:
Old unit sfCommon split into several new units; improved argument checking and NAN/INF handling;
new Gamma related functions
(normalised incomplete gamma functions and inverse, Temme’s gammastar, trigamma, Dirichlet eta)
and statistical distribution functions
(pdf, cdf, and inverse cdf for gamma and chi-square distribution)

All block ciphers now support longint message lengths in encrypt/decrypt routines
and CTR mode seek functions for random access reads
New AES PPP unit (Perfect Paper Passwords)
Updated Mem_Util V0.98 unit with CompMemXL and RandMemXL

MPArith V1.16.08 implements
functions for decomposition of mp_ints into four squares,
a bit table for the constant exp(1),
and includes the updated introduction.
The AMath archive contains
special cases for elementary transcendental functions,
many new statistic functions, and additional special functions
(pdf, cdf, and inverse cdf for beta distribution, F distribution, and Student’s t distribution).
The separate introduction is updated.

AES counter mode supports
user-requested seek function for random access reads
Updated standard include file in std.zip

MPArith V1.15.17 with
alternative output format for mp_floats and
variable separators for fractional parts and function arguments
AMath archive
with Fresnel integrals and Lambert W functions

AMath archive:
New special functions (Bessel functions of integer order;
cin, cinh, cl2, ti2, fac, gamma1pm1)
and elementary functions (exp3, ln1pmx, sinc, sincPi, rem_2pi, rem_2pi_sym)
Updated standard include file in std.zip

AMath archive:
Additional special functions (chi, ci, dawson, dilog, erfc_inv, erf_inv, shi, si, ssi)
and elementary functions (CSEvalX, maxd/x, mind/x)
Changes on the CRC/Hash page:
Contributed and user-requested ChaCha functions in the Salsa20 archive

New CRC model parameters in crcm_cat unit
and updated demo programs
New user-requested HOTP unit: HMAC-SHA1 based One-Time Password Algorithm according
to RFC 4226
SHA1 fix for Virtual Pascal

AMath archive:
New special functions (exponential and logarithmic integrals, Riemann zeta function)
and elementary functions (cbrt, nroot, sqrt1pm1)
MPArith V1.14.06 implements
user-requested radix values up to 64, a few new mp_float functions,
and the updated introduction

New Special Functions
units for double and extended precision
Quadsolv V0.26 uses the updated
AMath unit

New separate AMath archive with extended
AMath V0.79 unit and Quadsolv V0.25
The updated Compvers V0.21 unit from the
util archive now supports D14 and FPC 2.4.0

Updated util archive with the new
AMath unit implementing accurate
elementary mathematical functions
MPArith V1.13.10 with
many additional elementary transcendental functions (used in
AMath function testing)
and accompanying introduction
Updated standard include file in std.zip

Experimental version of the Blue Midnight Wish SHA3 hash function
Updated: crcm_cat unit and tcrc16 demo program
SRP16 program for searching Rocksoft parameters for given data / CRC16 sets

New procedure cm_combine for the Rocksoft crc_model unit in the CRC/Hash archive
t_crc32 demo program for all
CRC32 algorithms in unit crcm_cat
Updated util archive with new QuadSolv unit

The Delphi CRT unit supports ANSI console output with Delphi 2009
MPArith V1.12.06 with
D12 adjustments,
provable primes,
trace output routines and variables
Updated PRNG archive

CRC/Hash/HMAC routines, the corresponding demo programs,
and the PPCH Pure Pascal replacement units
Fixes for the zlib library
Updated FCA demo programs

Counter with CBC-MAC (CCM) mode for AES cipher
Camellia block cipher with all-in-one EAX functions and CCM mode
Speedup factor 8 for Sosemanuk BASM16 key setup

The new Sosemanuk stream cipher
Increased encryption speed for Salsa20; especially for BASM16 (factors 3 .. 4)
XSalsa20 extension of Salsa20 with 192 bit nonce

The Blowfish cipher
Other block ciphers
The Salsa20 stream cipher
The PRNG archive

The CRC/Hash/HMAC routines, the corresponding demo programs,
and the PPCH Pure Pascal replacement units
The AES cipher routines and the FCA demo programs
The Twofish block cipher archive

Last update May 11, 2014

Dec. 02, 2012

Nov. 14, 2012

Oct. 29, 2012

Sep. 14, 2012

Aug. 06, 2012

July 11, 2012

June 17, 2012

May 29, 2012

Mar. 27, 2012
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Oct. 12, 2009
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July 31, 2009
July 25, 2009
July 18, 2009
July 12, 2009Some Delphi 2009 (D12) related changes:D12Plus
June 06, 2009
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Feb. 2003_read{$apptype console}{$asmmode intel}Slicing-by-4Rocksoft™ Model CRC AlgorithmfioStrictLong PRNG AMath Special Functions CRC/Hash page AMath AMath AMath introduction CRC/Hash page Crypto page HRTimer Base2N util std.inc Blowfish SkipJack Crypto page CRC/Hash page crc_model TCRC16.EXE Crypto page Compvers util MPArith introduction std.zip MPArith MPArith archived news BTypes BTypes util PRNG MPArith introduction MPArith introduction std.zip CRC/Hash page TCRC16 Camellia Crypto page zlib Anubis Crypto page AES AES Salsa20 CRC/Hash page information crcmodel zlib FCA demo Camellia Crypto page util Sort V1.18 MPArith introduction CRC/Hash page more block ciphers Crypto page util TSC V0.35 HRTimer V0.23 Base2N V0.38 MPArith introduction AES Crypto page MPArith MPArith util AES Crypto page CRC/Hash page PPCH demo programs FAR manager plugin std.zip mpint util util mpint CRC/Hash page BASM16 table alignment AES Twofish Blowfish information mpint introduction prng mpint introduction CRC/Hash page demo programs FAR manager plugin prng FAR manager plugin CRC/Hash units demo programs FCA demo programs CRC/Hash page demo programs FAR manager plugin util Crypto page std.zip mpint Sort BTypes CRT Misc.FCA crypto mpint Crypto page AES Crypto page Compressed AES tables links Twofish Crypto page Blowfish FAR manager plugin Salsa20 Crypto page prng CRC/Hash page demo programs FAR manager plugin util mpint introduction CRC/Hash page Hash/CRC demo FCA demo FAR manager plugin CRC/Hash page demo programs FAR manager plugin util CRC/Hash demo programs mpint util MemUtil Dates mpint introduction CRC/Hash page mpint Crypto page prng prng zlib prng ministat CCH V0.70 www.freepascal.org mpint zlib FCA demo program mpint zlib CRC/Hash page mpint links CRC/Hash page:AES Blowfish Crypto MemUtil AES AES CRC/Hash page AES CRC/Hash page hash AES Dates