In This Package:

Gaudi::Math::MD5 Class Reference

#include <MD5.h>

List of all members.

Public Types
typedef boost::uint8_t	value_type [16]
Public Member Functions
	MD5 ()
	create an (recognizable!) invalid digest...
std::string	str () const
	provide a hex string representation of the (internal) 128 bit value of the computed digest
bool	invalid () const
	check whether the digest is the (valid) result of an MD5 computation
bool	valid () const
bool	operator< (const MD5 &rhs) const
	binary comparisons
bool	operator> (const MD5 &rhs) const
bool	operator== (const MD5 &rhs) const
bool	operator<= (const MD5 &rhs) const
bool	operator>= (const MD5 &rhs) const
bool	operator!= (const MD5 &rhs) const
Static Public Member Functions
static MD5	createInvalid ()
static MD5	compute (const std::string &s)
	compute MD5 digest for the specified string
template<typename T>
static MD5	compute (const T &t)
	compute MD5 digest for the provided object by first streaming it to a string
static MD5	createFromStringRep (const std::string &s)
	convert the hex string representation back to a full-blown instance
Private Member Functions
	MD5 (const value_type &val)
Private Attributes
value_type	m_value
Classes
class	md5_engine

---

Detailed Description

Definition at line 21 of file MD5.h.

---

Member Typedef Documentation

typedef boost::uint8_t Gaudi::Math::MD5::value_type[16]

Definition at line 23 of file MD5.h.

---

Constructor & Destructor Documentation

Gaudi::Math::MD5::MD5

(

)

[inline]

create an (recognizable!) invalid digest...

Definition at line 28 of file MD5.h.

{ memset(m_value,0u,sizeof(m_value)); }

Gaudi::Math::MD5::MD5

(

const value_type &

val

)

[inline, explicit, private]

Definition at line 64 of file MD5.h.

{ memcpy(m_value,val,sizeof(m_value)); }

---

Member Function Documentation

static MD5 Gaudi::Math::MD5::createInvalid

(

)

[inline, static]

Definition at line 29 of file MD5.h.

{  return MD5(); }

static MD5 Gaudi::Math::MD5::compute

(

const std::string &

s

)

[static]

compute MD5 digest for the specified string

template<typename T>

static MD5 Gaudi::Math::MD5::compute

(

const T &

t

)

[inline, static]

compute MD5 digest for the provided object by first streaming it to a string

Definition at line 35 of file MD5.h.

           { std::ostringstream x; x << t; return compute(x.str()); }

string Gaudi::Math::MD5::str

(

)

const

provide a hex string representation of the (internal) 128 bit value of the computed digest

Definition at line 72 of file MD5.cpp.

                        {
    string s; s.reserve(2*sizeof(value_type));
    for (const boost::uint8_t* i = m_value; i!=m_value+sizeof(value_type); ++i) {
        static const char *digits="0123456789abcdef";
        s+=digits[(*i>>4)&0x0F]; s+=digits[(*i)&0x0F];
    }
    return s;
}

Gaudi::Math::MD5 Gaudi::Math::MD5::createFromStringRep

(

const std::string &

s

)

[static]

convert the hex string representation back to a full-blown instance

Definition at line 93 of file MD5.cpp.

                                                      { 
    assert(val.size()==2*sizeof(Gaudi::Math::MD5::value_type) || val.empty());
    if (val.empty()) return createInvalid();
    Gaudi::Math::MD5::value_type d;
    for (size_t i=0;i<sizeof(d);++i) d[i]=(unhex(val[2*i])<<4|unhex(val[2*i+1]));
    return MD5(d);
};

bool Gaudi::Math::MD5::invalid

(

)

const [inline]

check whether the digest is the (valid) result of an MD5 computation

Definition at line 45 of file MD5.h.

           { value_type x; 
             return memcmp(m_value,memset(x,0u,sizeof(x)),sizeof(m_value))==0; 
           }

bool Gaudi::Math::MD5::valid

(

)

const [inline]

Definition at line 49 of file MD5.h.

{ return !invalid(); }

bool Gaudi::Math::MD5::operator<

(

const MD5 &

rhs

)

const [inline]

binary comparisons

Definition at line 52 of file MD5.h.

           { return memcmp(m_value,rhs.m_value,sizeof(m_value))<0; }

bool Gaudi::Math::MD5::operator>

(

const MD5 &

rhs

)

const [inline]

Definition at line 54 of file MD5.h.

           { return memcmp(m_value,rhs.m_value,sizeof(m_value))>0; }

bool Gaudi::Math::MD5::operator==

(

const MD5 &

rhs

)

const [inline]

Definition at line 56 of file MD5.h.

           { return memcmp(m_value,rhs.m_value,sizeof(m_value))==0; }

bool Gaudi::Math::MD5::operator<=

(

const MD5 &

rhs

)

const [inline]

Definition at line 59 of file MD5.h.

{ return !operator>(rhs); }

bool Gaudi::Math::MD5::operator>=

(

const MD5 &

rhs

)

const [inline]

Definition at line 60 of file MD5.h.

{ return !operator<(rhs); }

bool Gaudi::Math::MD5::operator!=

(

const MD5 &

rhs

)

const [inline]

Definition at line 61 of file MD5.h.

{ return !operator==(rhs); }

---

Member Data Documentation

value_type Gaudi::Math::MD5::m_value [private]

Definition at line 66 of file MD5.h.

---

The documentation for this class was generated from the following files:

• /home/dayabay/installs/trunk_2011_04_11_opt/NuWa-trunk/lhcb/Kernel/LHCbMath/LHCbMath/MD5.h
• /home/dayabay/installs/trunk_2011_04_11_opt/NuWa-trunk/lhcb/Kernel/LHCbMath/src/MD5.cpp

---