# Highphi

### FAMU FSU College of Engineering

B.S. in Mechanical Engineering. Masters in Industrial and Manufacturing Engineering

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Solved

RIPEMD160 Hash

Generator the RIPEMD160 hash given an input string and output the hexadecimal RIPEMD160 hash. For example: Input='My name is...

8 months ago

Solved

SHA256 Hashing

Conduct SHA256 hashing on a hexadecimal input to produce a 256-bit hexadecimal output. Example: hash = SHA256('aa') hash ...

8 months ago

Solved

Optimal Asymmetric Encryption Padding decoding of message for RSA Cryptography

EME-OAEP decoding by reversing the Feistel network using previously determined mask generation function (MGF1) and SHA-1 hashing...

8 months ago

Solved

Binary Array to Hex Representation

Given a binary array of bytes (lsb to msb), convert it into a hexadecimal representation (msb to lsb). For example: Input: [1 ...

8 months ago

Solved

Optimal Asymmetric Encryption Padding of message for RSA Cryptography

EME-OAEP encoding of input message using a Feistel network with SHA-1 hashing within the mask generation function (MGF1) (see pr...

8 months ago

Solved

Mask Generation Function (MGF1) for PKCS #1 Standard utilizing Optimal Asymmetric Encryption Padding for RSA Cryptography

Create Mask Generation Function (MGF1) from PKCS #1 v2.2 standard (B.2.1 page 50) at below link. Input will be character array (...

8 months ago

Solved

RSA decryption

Decrypt a large integer string using RSA decryption given the public key (n) and private key (d). Convert the large integer decr...

8 months ago

Solved

RSA encryption using public key

Encrypt the message text by converting to uint8 matrix using UTF-8 representation. Convert uint8 matrix to a large integer strin...

8 months ago

Solved

Create State Array for initiating SHA-3-224 Hash

Create binary represented state array (as the initial input to the sponge function (f)) from any length character array (N) with...

8 months ago

Solved

Determine RSA keys (public and private) given two prime number character strings (p and q)

Given two prime number character strings (p and q), generate the RSA public and private keys (n and d) with e = 65537. The more ...

8 months ago

Import data from .DTA file to Matlab.

@Mohamed Asaad here is what I was able to do with it: filename = 'John_220202_SE_SPR_PEG_PBS+HydroQ_0,45CV_1.DTA'; % we rea...

8 months ago | 1

| accepted

Any way to use the pde toolbox to stack some multicuboids and then measure the resistance between two arbitrary points?

short answer: no

8 months ago | 0

| accepted

Solved

String to Binary Representation

Given a string, convert it using UTF-8 into a binary array where each character or byte is arraigned low to high. For example: ...

8 months ago

Why does the SUBS command change the size of the expression incorrectly?

it's because of the way you're passing in your substitution variables { } ~= [ ] syms a b c d e f = sym('f', [2, 2]) g...

8 months ago | 0

Is it possible to overlay pcolor plots using hold on?

f1 = figure;% (Visible="on"); Y = pcolor(T, H, A'); set(Y, 'EdgeColor', 'none'); set(gca,'ColorScale','log'); hold on ...

8 months ago | 0

Solved

Numerical Integration

Input * |x0|, a real number greater than 0 Output * |I|, a numerical estimate of the integral x0 / I...

8 months ago

Solved

Differential equations I

Given a function handle |f| an initial condition |y0| and a final time |tf|, solve numerically the differential equation dy...

8 months ago

Solved

The Birthday Phenomenon

First off, leap years are not being considered for this. In fact the year that people are born shouldn't be taken into considera...

8 months ago

Solved

Throwing Dice - Will You Be Eaten By The Dragon?

You and a dragon have agreed to let dice rolls determine whether it eats you or not. The dragon will roll a single die, of x ...

8 months ago

Solved

Monte-Carlo integration

Write a function that estimates a d-dimensional integral to at least 1% relative precision. Inputs: * d: positive integer....

8 months ago

Cumulative Summation down a matrix in loop

matrixA = [0 0 0 -1 -1 -1 -1 1 0 -1 -1 -1 -1 -1 -1 -1 1 0 0 0]'; % for ref matrixB = [0 0 0 0 0.02 -12.09 6.61 1.1 0 0 -6.8 -26...

8 months ago | 0

Why am I getting error "Array indices must be positive" and error in syms, when using eval function

I think it's because you need to make f, f2, and eqn2 functions of x (even though I drop eqn2) syms x f f2 % << here f(x) = ...

8 months ago | 0

| accepted

How to inverse matrix 128*6 in matlab?

u = [1, 1; ... 2, 2; ... 3, 3]; uInverse = flip(u) u = [1, 1; ... 2, 2; ... 3, 3]; u90 = rot90(u) ...

8 months ago | 0

| accepted

How to automatically import multiple column vectors into Matlab from multiple .csv files using Live Script and a For Loop?

here ya go: opts = delimitedTextImportOptions("NumVariables", 2); % Specify range and delimiter opts.DataLines = [2, Inf]; ...

8 months ago | 0

| accepted

Triggering multiple output pins of Arduino simultaneously from Simulink

Unfortunately, the way Arduino evaluates code is step by step, therefore parallel evaluation does not exist on that hardware. ...

8 months ago | 0

What is the fastest and smartest way to import and manage/plot many text files in matlab?

you can't use 'load' here, you can only load MAT-files or certain ASCII files best way to import these files is by using: all_...

8 months ago | 1