hashwal.py

C=len;_32,__=2**32,2**30;_=_32-1;Q=lambda n,d,U:int(n**(1/d)*U);O=[0]## HASH WAL v1.2.1 ##
E=['big','little'];B=lambda v,b,e=0:v.to_bytes(b,E[e]);L=lambda x,y=0:(x<<y|(x&_)>>32-y)&_
I=lambda v,e=0,:int.from_bytes(v,E[e]);R=lambda x,y,s=0:((x&_)>>y|x<<32+s-y)&_32-1;G=range
S=lambda N,M,S=set():M([n for n in G(2,N)if not(n in S,S.update(G(n*n,N,n)))[0]])# Ukraine
class ripemd160: # Hans Dobbertin, Antoon Bosselaers and Bart Preneel 1992 (1996) ## FTW #
    E=1;K,L=S(8,lambda P:(O+[Q(n,2,__)for n in P],[Q(n,3,__)for n in P]+O));M=O*80;N=M[:]#
    U=[x+5for x in[6,9,10,7,0,3,2,4,6,8,9,10,1,2,4,3,2,1,3,8,6,4,2,10,2,7,10,4,6,2,8,7,6,8
    ,1,2,9,4,8,10,9,3,8,1,0,7,2,0,6,7,9,10,9,10,4,3,4,9,0,1,3,1,0,7,4,10,0,6,1,3,8,7,0,7,8
    ,9,6,3,0,1]];V=[x+5for x in[3,4,4,6,8,10,10,0,2,2,3,6,9,9,7,1,4,8,10,2,7,3,4,6,2,2,7,2
    ,1,10,8,6,4,2,10,6,3,1,1,9,7,8,0,9,8,8,2,0,10,0,3,6,9,9,1,9,1,4,7,4,7,0,10,3,3,0,7,4,7
    ,0,9,1,3,8,1,0,10,8,6,6]];H=(0x67452301,0xEFCDAB89,0x98BADCFE,0x10325476,0xC3D2E1F0) #
    F=[lambda x,y,z:x^y^z,lambda x,y,z:z^x&(y^z),lambda x,y,z:z^(x|~y),lambda x,y,z:y^z&(x
    ^y),lambda x,y,z:x^(y|~z)];X=lambda X,n:[7,4,13,1,10,6,15,3,12,0,9,5,2,14,11,8][X[n]]#
    for i in G(80):M[i],N[i]=(i,i*9+5&15)if i<16else(X(M,i-16),X(N,i-16)) # Aaron Swartz #
    def __init__(S,m=0):S.c=0;S.C=b'';S.h=S.H[:];S.update(m)if m else 0 #@# ¯\_(ツ)_/¯ #@#
    def digest(S):S.update(S.P(S.c));return b''.join([B(i,4,S.E)for i in S.h]) # devops199
    def update(S,m):# Hashlib compatible interface with update and digest methods. Nice? #
        S.C+=m;S.c+=C(m);X=lambda W,i,j,F,a,b,c,d,k,U,m:L(a+k+F[j](b,c,d)+W[m]&_,U[i]) # ₿
        while C(S.C)>=64:S._B([I(S.C[:64][i:i+4],S.E)for i in G(0,256,4)],X);S.C=S.C[64:]#
    def P(S,l):return b'\x80'+(b'\x00'*(119-l&63))+B(l<<3,8,S.E) # Merkle–Damgård padding.
    def _B(S,W,X,Z=G(80)): # Where are the values from U and V coming from? # Hal Finney #
        a,b,c,d,e=S.h;v,w,x,y,z=S.h # Edward Snowden & Julian Assange & Chelsea Manning #L
        for i in Z: # Do you know what is the difference between a government employee? #U
            a,e,d,c,b=e,d,L(c,10),b,e+X(W,i,j:=i>>4,S.F,a,b,c,d,S.K[j],S.U,S.M[i]) # PROOF
            v,z,y,x,w=z,y,L(x,10),w,z+X(W,i,j,S.F[::-1],v,w,x,y,S.L[j],S.V,S.N[i]) ## OF #
        S.h=[x+y+z&_ for(x,y,z)in zip(S.h[1:]+S.h[:1],(c,d,e,a,b),(y,z,v,w,x))] ### WORK #
class sha256(ripemd160): # National Security Agency 2001 # Dread Pirate Roberts # Silkroad
    E=0;H,K=S(312,lambda P:([Q(n,2,_32)for n in P[:8]],[Q(n,3,_32)for n in P])) # ??? When
    def _B(S,W,X,Y=G(48),Z=G(64),R=lambda x,a,b,c,s=32:R(x,a)^R(x,b)^R(x,c,s)): # Lambo ??
        a,b,c,d,e,f,g,h=S.h # Peter Sunde & Fredrik Neij & Gottfrid Svartholm # Pirate Bay
        for i in Y:x,y=W[i+1],W[i+14];W[i+16]=W[i]+R(x,7,18,3)+W[i+9]+R(y,17,19,10) # DOGE
        for i in Z: # Do you know what C in NSA means? Constitution... # Luna -100% REKT #
            t=h+R(e,6,11,25,0)+(e&f^~e&g)+S.K[i]+W[i] # Linus Torvald & Richard Stallman #
            h,g,f,e,d,c,b,a=g,f,e,d+t&_,c,b,a,t+R(a,2,13,22,0)+(a&b^a&c^b&c) ## hashwal.py
        S.h=[x+y&_ for(x,y)in zip(S.h,(a,b,c,d,e,f,g,h))] # by eXander77 exander77@pm.me #
def new(h,d):return{'ripemd160':ripemd160,'sha256':sha256}[h](d) # for Satoshin Nakamoto #