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pub static ALPHABET32_ENCODE:&'static[u8;32]=&[ 065,066,067,068,069,070,071,072, 073,074,075,076,077,078,079,080, 081,082,083,084,085,086,087,088, 089,090,050,051,052,053,054,055 ]; pub static ALPHABET32_DECODE:&'static[u8;256]=&[ 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,026,027,028,029,030,031, 255,255,255,255,255,255,255,255, 255,000,001,002,003,004,005,006, 007,008,009,010,011,012,013,014, 015,016,017,018,019,020,021,022, 023,024,025,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255, 255,255,255,255,255,255,255,255 ]; pub struct B32<T>(T); pub trait B32Encode<I,O>{ fn encode(data:I)->O; } pub trait B32Decode<I,O>{ fn validation(data:I)->B32DecodeError; fn decode(data:I)->Result<O,B32DecodeError>; unsafe fn unsafe_decode(data:I)->O; } #[derive(Copy, Clone, PartialEq, Eq, Debug)] pub enum B32DecodeError{ Null, InvalidByte, InvalidPadding, InvalidLength } fn b32_validation(ptd:*const u8,len:usize,pta:*const u8,max_pad:usize,pad:u8,rem:usize,min_len:usize)->B32DecodeError{ if len==0 {return B32DecodeError::Null;} if len<min_len {return B32DecodeError::InvalidLength;} if len%rem!=0 {return B32DecodeError::InvalidLength;} let mut ind:isize=len as isize; #[allow(unused_parens)] unsafe{while({ind-=1;ind>0 && (*ptd.offset(ind)==61)}){}} let pdl=len-1-ind as usize; if pdl>max_pad {return B32DecodeError::InvalidPadding;} if ((pad>>pdl)&0b1)==0 {return B32DecodeError::InvalidPadding;} unsafe{while ind>-1{if *pta.offset(*ptd.offset(ind) as isize)==255{return B32DecodeError::InvalidByte;}ind-=1;}} return B32DecodeError::Null; } include!("include/be_encode.rs"); include!("include/le_encode.rs"); #[cfg(target_endian = "little")] const b32_encode:fn(*const u8,usize,*const u8)->String=b32_encode_le; #[cfg(target_endian = "little")] const b32_encode_1:fn(*const u8,usize,*const u8)->String=b32_encode_le_1; #[cfg(target_endian = "little")] const b32_encode_2:fn(*const u8,usize,*const u8)->String=b32_encode_le_2; #[cfg(target_endian = "little")] const b32_encode_4:fn(*const u8,usize,*const u8)->String=b32_encode_le_4; #[cfg(target_endian = "little")] const b32_encode_8:fn(*const u8,usize,*const u8)->String=b32_encode_le_8; #[cfg(target_endian = "big")] const b32_encode:fn(*const u8,usize,*const u8)->String=b32_encode_be; #[cfg(target_endian = "big")] const b32_encode_1:fn(*const u8,usize,*const u8)->String=b32_encode_be_1; pub fn b32_encode_le(mut ptr_data:*const u8,mut len_data:usize,ptr_alphabet:*const u8)->String{ let size:usize=len_data/5*8+if len_data%5==0 {0}else{8}; let mut string:String=String::with_capacity(size); let mut d:u64; unsafe{ let mut vector=&mut string.as_mut_vec(); vector.resize(size,0); let mut pointer=vector.as_mut_ptr(); while len_data>8{ d=(*(ptr_data as *const u64)).to_be(); *pointer.offset(0)=*ptr_alphabet.offset((((d>>59))&0b11111) as isize); *pointer.offset(1)=*ptr_alphabet.offset((((d>>54))&0b11111) as isize); *pointer.offset(2)=*ptr_alphabet.offset((((d>>49))&0b11111) as isize); *pointer.offset(3)=*ptr_alphabet.offset((((d>>44))&0b11111) as isize); *pointer.offset(4)=*ptr_alphabet.offset((((d>>39))&0b11111) as isize); *pointer.offset(5)=*ptr_alphabet.offset((((d>>34))&0b11111) as isize); *pointer.offset(6)=*ptr_alphabet.offset((((d>>29))&0b11111) as isize); *pointer.offset(7)=*ptr_alphabet.offset((((d>>24))&0b11111) as isize); pointer=pointer.offset(8); ptr_data=ptr_data.offset(5); len_data-=5; } while len_data>4{ *pointer.offset(0)=*ptr_alphabet.offset(((*ptr_data.offset(0)&0b11111000)>>3) as isize); *pointer.offset(1)=*ptr_alphabet.offset((((*ptr_data.offset(0)&0b00000111)<<2)|((*ptr_data.offset(1)&0b11000000)>>6)) as isize); *pointer.offset(2)=*ptr_alphabet.offset(((*ptr_data.offset(1)&0b00111110)>>1) as isize); *pointer.offset(3)=*ptr_alphabet.offset((((*ptr_data.offset(1)&0b00000001)<<4)|((*ptr_data.offset(2)&0b11110000)>>4)) as isize); *pointer.offset(4)=*ptr_alphabet.offset((((*ptr_data.offset(2)&0b00001111)<<1)|((*ptr_data.offset(3)&0b10000000)>>7)) as isize); *pointer.offset(5)=*ptr_alphabet.offset(((*ptr_data.offset(3)&0b01111100)>>2) as isize); *pointer.offset(6)=*ptr_alphabet.offset((((*ptr_data.offset(3)&0b00000011)<<3)|((*ptr_data.offset(4)&0b11100000)>>5)) as isize); *pointer.offset(7)=*ptr_alphabet.offset(((*ptr_data.offset(4)&0b00011111)>>0) as isize); pointer=pointer.offset(8); ptr_data=ptr_data.offset(5); len_data-=5; } if len_data==4{ *pointer.offset(0)=*ptr_alphabet.offset(((*ptr_data.offset(0)&0b11111000)>>3) as isize); *pointer.offset(1)=*ptr_alphabet.offset((((*ptr_data.offset(0)&0b00000111)<<2)|((*ptr_data.offset(1)&0b11000000)>>6)) as isize); *pointer.offset(2)=*ptr_alphabet.offset(((*ptr_data.offset(1)&0b00111110)>>1) as isize); *pointer.offset(3)=*ptr_alphabet.offset((((*ptr_data.offset(1)&0b00000001)<<4)|((*ptr_data.offset(2)&0b11110000)>>4)) as isize); *pointer.offset(4)=*ptr_alphabet.offset((((*ptr_data.offset(2)&0b00001111)<<1)|((*ptr_data.offset(3)&0b10000000)>>7)) as isize); *pointer.offset(5)=*ptr_alphabet.offset(((*ptr_data.offset(3)&0b01111100)>>2) as isize); *pointer.offset(6)=*ptr_alphabet.offset(((*ptr_data.offset(3)&0b00000011)<<3) as isize); *pointer.offset(7)=61; }else{ if len_data==3{ *pointer.offset(0)=*ptr_alphabet.offset(((*ptr_data.offset(0)&0b11111000)>>3) as isize); *pointer.offset(1)=*ptr_alphabet.offset((((*ptr_data.offset(0)&0b00000111)<<2)|((*ptr_data.offset(1)&0b11000000)>>6)) as isize); *pointer.offset(2)=*ptr_alphabet.offset(((*ptr_data.offset(1)&0b00111110)>>1) as isize); *pointer.offset(3)=*ptr_alphabet.offset((((*ptr_data.offset(1)&0b00000001)<<4)|((*ptr_data.offset(2)&0b11110000)>>4)) as isize); *pointer.offset(4)=*ptr_alphabet.offset(((*ptr_data.offset(2)&0b00001111)<<1) as isize); *pointer.offset(5)=61; *pointer.offset(6)=61; *pointer.offset(7)=61; }else{ if len_data==2{ *pointer.offset(0)=*ptr_alphabet.offset(((*ptr_data.offset(0)&0b11111000)>>3) as isize); *pointer.offset(1)=*ptr_alphabet.offset((((*ptr_data.offset(0)&0b00000111)<<2)|((*ptr_data.offset(1)&0b11000000)>>6)) as isize); *pointer.offset(2)=*ptr_alphabet.offset(((*ptr_data.offset(1)&0b00111110)>>1) as isize); *pointer.offset(3)=*ptr_alphabet.offset(((*ptr_data.offset(1)&0b00000001)<<4) as isize); *pointer.offset(4)=61; *pointer.offset(5)=61; *pointer.offset(6)=61; *pointer.offset(7)=61; }else{ if len_data==1{ *pointer.offset(0)=*ptr_alphabet.offset(((*ptr_data.offset(0)&0b11111000)>>3) as isize); *pointer.offset(1)=*ptr_alphabet.offset(((*ptr_data.offset(0)&0b00000111)<<2) as isize); *pointer.offset(2)=61; *pointer.offset(3)=61; *pointer.offset(4)=61; *pointer.offset(5)=61; *pointer.offset(6)=61; *pointer.offset(7)=61; } } } } } return string; } #[allow(dead_code)] fn b32_encode_be(mut ptr_data:*const u8,mut len_data:usize,ptr_alphabet:*const u8)->String{ let size:usize=len_data/5*8+if len_data%5==0 {0}else{8}; let mut string:String=String::with_capacity(size); let mut d:u64; unsafe{ let mut vector=&mut string.as_mut_vec(); vector.resize(size,0); let mut pointer=vector.as_mut_ptr(); while len_data>8{ d=*(ptr_data as *const u64); *pointer.offset(0)=*ptr_alphabet.offset((((d>>59))&0b11111) as isize); *pointer.offset(1)=*ptr_alphabet.offset((((d>>54))&0b11111) as isize); *pointer.offset(2)=*ptr_alphabet.offset((((d>>49))&0b11111) as isize); *pointer.offset(3)=*ptr_alphabet.offset((((d>>44))&0b11111) as isize); *pointer.offset(4)=*ptr_alphabet.offset((((d>>39))&0b11111) as isize); *pointer.offset(5)=*ptr_alphabet.offset((((d>>34))&0b11111) as isize); *pointer.offset(6)=*ptr_alphabet.offset((((d>>29))&0b11111) as isize); *pointer.offset(7)=*ptr_alphabet.offset((((d>>24))&0b11111) as isize); pointer=pointer.offset(8); ptr_data=ptr_data.offset(5); len_data-=5; } while len_data>4{ *pointer.offset(0)=*ptr_alphabet.offset(((*ptr_data.offset(0)&0b11111000)>>3) as isize); *pointer.offset(1)=*ptr_alphabet.offset((((*ptr_data.offset(0)&0b00000111)<<2)|((*ptr_data.offset(1)&0b11000000)>>6)) as isize); *pointer.offset(2)=*ptr_alphabet.offset(((*ptr_data.offset(1)&0b00111110)>>1) as isize); *pointer.offset(3)=*ptr_alphabet.offset((((*ptr_data.offset(1)&0b00000001)<<4)|((*ptr_data.offset(2)&0b11110000)>>4)) as isize); *pointer.offset(4)=*ptr_alphabet.offset((((*ptr_data.offset(2)&0b00001111)<<1)|((*ptr_data.offset(3)&0b10000000)>>7)) as isize); *pointer.offset(5)=*ptr_alphabet.offset(((*ptr_data.offset(3)&0b01111100)>>2) as isize); *pointer.offset(6)=*ptr_alphabet.offset((((*ptr_data.offset(3)&0b00000011)<<3)|((*ptr_data.offset(4)&0b11100000)>>5)) as isize); *pointer.offset(7)=*ptr_alphabet.offset(((*ptr_data.offset(4)&0b00011111)>>0) as isize); pointer=pointer.offset(8); ptr_data=ptr_data.offset(5); len_data-=5; } if len_data==4{ *pointer.offset(0)=*ptr_alphabet.offset(((*ptr_data.offset(0)&0b11111000)>>3) as isize); *pointer.offset(1)=*ptr_alphabet.offset((((*ptr_data.offset(0)&0b00000111)<<2)|((*ptr_data.offset(1)&0b11000000)>>6)) as isize); *pointer.offset(2)=*ptr_alphabet.offset(((*ptr_data.offset(1)&0b00111110)>>1) as isize); *pointer.offset(3)=*ptr_alphabet.offset((((*ptr_data.offset(1)&0b00000001)<<4)|((*ptr_data.offset(2)&0b11110000)>>4)) as isize); *pointer.offset(4)=*ptr_alphabet.offset((((*ptr_data.offset(2)&0b00001111)<<1)|((*ptr_data.offset(3)&0b10000000)>>7)) as isize); *pointer.offset(5)=*ptr_alphabet.offset(((*ptr_data.offset(3)&0b01111100)>>2) as isize); *pointer.offset(6)=*ptr_alphabet.offset(((*ptr_data.offset(3)&0b00000011)<<3) as isize); *pointer.offset(7)=61; }else{ if len_data==3{ *pointer.offset(0)=*ptr_alphabet.offset(((*ptr_data.offset(0)&0b11111000)>>3) as isize); *pointer.offset(1)=*ptr_alphabet.offset((((*ptr_data.offset(0)&0b00000111)<<2)|((*ptr_data.offset(1)&0b11000000)>>6)) as isize); *pointer.offset(2)=*ptr_alphabet.offset(((*ptr_data.offset(1)&0b00111110)>>1) as isize); *pointer.offset(3)=*ptr_alphabet.offset((((*ptr_data.offset(1)&0b00000001)<<4)|((*ptr_data.offset(2)&0b11110000)>>4)) as isize); *pointer.offset(4)=*ptr_alphabet.offset(((*ptr_data.offset(2)&0b00001111)<<1) as isize); *pointer.offset(5)=61; *pointer.offset(6)=61; *pointer.offset(7)=61; }else{ if len_data==2{ *pointer.offset(0)=*ptr_alphabet.offset(((*ptr_data.offset(0)&0b11111000)>>3) as isize); *pointer.offset(1)=*ptr_alphabet.offset((((*ptr_data.offset(0)&0b00000111)<<2)|((*ptr_data.offset(1)&0b11000000)>>6)) as isize); *pointer.offset(2)=*ptr_alphabet.offset(((*ptr_data.offset(1)&0b00111110)>>1) as isize); *pointer.offset(3)=*ptr_alphabet.offset(((*ptr_data.offset(1)&0b00000001)<<4) as isize); *pointer.offset(4)=61; *pointer.offset(5)=61; *pointer.offset(6)=61; *pointer.offset(7)=61; }else{ if len_data==1{ *pointer.offset(0)=*ptr_alphabet.offset(((*ptr_data.offset(0)&0b11111000)>>3) as isize); *pointer.offset(1)=*ptr_alphabet.offset(((*ptr_data.offset(0)&0b00000111)<<2) as isize); *pointer.offset(2)=61; *pointer.offset(3)=61; *pointer.offset(4)=61; *pointer.offset(5)=61; *pointer.offset(6)=61; *pointer.offset(7)=61; } } } } } return string; } #[allow(dead_code)] pub fn b32_decode(ptr_input:*const u8,len_input:usize,ptr_alphabet:*const u8,mut pointer:*mut u8,np:usize){ let mut ptr_data=ptr_input; let mut len_data=len_input; unsafe{ while len_data>8{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<3|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>2; *pointer.offset(1)=*ptr_alphabet.offset(*ptr_data.offset(1) as isize)<<6|*ptr_alphabet.offset(*ptr_data.offset(2) as isize)<<1|*ptr_alphabet.offset(*ptr_data.offset(3) as isize)>>4; *pointer.offset(2)=*ptr_alphabet.offset(*ptr_data.offset(3) as isize)<<4|*ptr_alphabet.offset(*ptr_data.offset(4) as isize)>>1; *pointer.offset(3)=*ptr_alphabet.offset(*ptr_data.offset(4) as isize)<<7|*ptr_alphabet.offset(*ptr_data.offset(5) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(6) as isize)>>3; *pointer.offset(4)=*ptr_alphabet.offset(*ptr_data.offset(6) as isize)<<5|*ptr_alphabet.offset(*ptr_data.offset(7) as isize)<<0; pointer=pointer.offset(5); ptr_data=ptr_data.offset(8); len_data-=8; } if len_data==8{ if np>0{ if np>3{ if np>5{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<3|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>2; *pointer.offset(1)=*ptr_alphabet.offset(*ptr_data.offset(1) as isize)<<6; }else{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<3|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>2; *pointer.offset(1)=*ptr_alphabet.offset(*ptr_data.offset(1) as isize)<<6|*ptr_alphabet.offset(*ptr_data.offset(2) as isize)<<1|*ptr_alphabet.offset(*ptr_data.offset(3) as isize)>>4; *pointer.offset(2)=*ptr_alphabet.offset(*ptr_data.offset(3) as isize)<<4; } }else{ if np>2{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<3|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>2; *pointer.offset(1)=*ptr_alphabet.offset(*ptr_data.offset(1) as isize)<<6|*ptr_alphabet.offset(*ptr_data.offset(2) as isize)<<1|*ptr_alphabet.offset(*ptr_data.offset(3) as isize)>>4; *pointer.offset(2)=*ptr_alphabet.offset(*ptr_data.offset(3) as isize)<<4|*ptr_alphabet.offset(*ptr_data.offset(4) as isize)>>1; *pointer.offset(3)=*ptr_alphabet.offset(*ptr_data.offset(4) as isize)<<7; }else{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<3|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>2; *pointer.offset(1)=*ptr_alphabet.offset(*ptr_data.offset(1) as isize)<<6|*ptr_alphabet.offset(*ptr_data.offset(2) as isize)<<1|*ptr_alphabet.offset(*ptr_data.offset(3) as isize)>>4; *pointer.offset(2)=*ptr_alphabet.offset(*ptr_data.offset(3) as isize)<<4|*ptr_alphabet.offset(*ptr_data.offset(4) as isize)>>1; *pointer.offset(3)=*ptr_alphabet.offset(*ptr_data.offset(4) as isize)<<7|*ptr_alphabet.offset(*ptr_data.offset(5) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(6) as isize)>>3; *pointer.offset(4)=*ptr_alphabet.offset(*ptr_data.offset(6) as isize)<<5; } } }else{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<3|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>2; *pointer.offset(1)=*ptr_alphabet.offset(*ptr_data.offset(1) as isize)<<6|*ptr_alphabet.offset(*ptr_data.offset(2) as isize)<<1|*ptr_alphabet.offset(*ptr_data.offset(3) as isize)>>4; *pointer.offset(2)=*ptr_alphabet.offset(*ptr_data.offset(3) as isize)<<4|*ptr_alphabet.offset(*ptr_data.offset(4) as isize)>>1; *pointer.offset(3)=*ptr_alphabet.offset(*ptr_data.offset(4) as isize)<<7|*ptr_alphabet.offset(*ptr_data.offset(5) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(6) as isize)>>3; *pointer.offset(4)=*ptr_alphabet.offset(*ptr_data.offset(6) as isize)<<5|*ptr_alphabet.offset(*ptr_data.offset(7) as isize)<<0; } } } } include!("./include/u8.rs"); include!("./include/u16.rs"); include!("./include/u32.rs"); include!("./include/u64.rs"); include!("./include/vec_u16.rs"); include!("./include/string.rs");