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< h1 > base64 and sha1 on iPhone< / h1 >
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< p > Lets be straight: here are two functions to add to your code to have < code > base64< / code > and < code > hexadecimal< / code > version of the < code > sha1< / code > hash of an NSString.< / p >
< p > To use it, simply copy the code in your class and use as this:< / p >
< div class = "sourceCode" id = "cb1" > < pre class = "sourceCode objective-c" > < code class = "sourceCode objectivec" > < a class = "sourceLine" id = "cb1-1" title = "1" > < span class = "pp" > #import < / span > < span class = "im" > < CommonCrypto/CommonDigest.h> < / span > < / a >
< a class = "sourceLine" id = "cb1-2" title = "2" > ...< / a >
< a class = "sourceLine" id = "cb1-3" title = "3" > NSString *b64_hash = [< span class = "kw" > self< / span > b64_sha1:< span class = "st" > @" some NSString to be sha1'ed" < / span > ];< / a >
< a class = "sourceLine" id = "cb1-4" title = "4" > ...< / a >
< a class = "sourceLine" id = "cb1-5" title = "5" > NSString *hex_hash = [< span class = "kw" > self< / span > hex_sha1:< span class = "st" > @" some NSString to be sha1'ed" < / span > ];< / a > < / code > < / pre > < / div >
< p > The < code > base64< / code > algorithm must be programmed by hand on iPhone!< / p >
< div class = "sourceCode" id = "cb2" > < pre class = "sourceCode c" > < code class = "sourceCode c" > < a class = "sourceLine" id = "cb2-1" title = "1" > < / a >
< a class = "sourceLine" id = "cb2-2" title = "2" > - (< span class = "dt" > unsigned< / span > < span class = "dt" > char< / span > *)sha1:(NSString *)baseString result:(< span class = "dt" > unsigned< / span > < span class = "dt" > char< / span > *)result {< / a >
< a class = "sourceLine" id = "cb2-3" title = "3" > < span class = "dt" > char< / span > *c_baseString=(< span class = "dt" > char< / span > *)[baseString UTF8String];< / a >
< a class = "sourceLine" id = "cb2-4" title = "4" > CC_SHA1(c_baseString, strlen(c_baseString), result);< / a >
< a class = "sourceLine" id = "cb2-5" title = "5" > < span class = "cf" > return< / span > result;< / a >
< a class = "sourceLine" id = "cb2-6" title = "6" > }< / a >
< a class = "sourceLine" id = "cb2-7" title = "7" > < / a >
< a class = "sourceLine" id = "cb2-8" title = "8" > - (NSString *)base64:(< span class = "dt" > unsigned< / span > < span class = "dt" > char< / span > *)result {< / a >
< a class = "sourceLine" id = "cb2-9" title = "9" > NSString *password=[[NSString alloc] init];< / a >
< a class = "sourceLine" id = "cb2-10" title = "10" > < span class = "dt" > static< / span > < span class = "dt" > const< / span > < span class = "dt" > unsigned< / span > < span class = "dt" > char< / span > cb64[< span class = "dv" > 65< / span > ]=< span class = "st" > " ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/" < / span > ;< / a >
< a class = "sourceLine" id = "cb2-11" title = "11" > < span class = "cf" > for< / span > (< span class = "dt" > int< / span > i=< span class = "dv" > 0< / span > ; i< CC_SHA1_DIGEST_LENGTH; i+=< span class = "dv" > 3< / span > ) {< / a >
< a class = "sourceLine" id = "cb2-12" title = "12" > password=[password stringByAppendingFormat:@< span class = "st" > " %c%c%c%c" < / span > ,< / a >
< a class = "sourceLine" id = "cb2-13" title = "13" > cb64[(result[i] & < span class = "bn" > 0xFC< / span > )> > < span class = "dv" > 2< / span > ],< / a >
< a class = "sourceLine" id = "cb2-14" title = "14" > cb64[((result[i] & < span class = "bn" > 0x03< / span > ) < < < span class = "dv" > 4< / span > )< / a >
< a class = "sourceLine" id = "cb2-15" title = "15" > | ((result[i + < span class = "dv" > 1< / span > ] & < span class = "bn" > 0xF0< / span > ) > > < span class = "dv" > 4< / span > )],< / a >
< a class = "sourceLine" id = "cb2-16" title = "16" > cb64[((result[i + < span class = "dv" > 1< / span > ] & < span class = "bn" > 0x0F< / span > ) < < < span class = "dv" > 2< / span > )< / a >
< a class = "sourceLine" id = "cb2-17" title = "17" > | ((result[i + < span class = "dv" > 2< / span > ] & < span class = "bn" > 0xC0< / span > ) > > < span class = "dv" > 6< / span > )],< / a >
< a class = "sourceLine" id = "cb2-18" title = "18" > cb64[result[i+< span class = "dv" > 2< / span > ]& < span class = "bn" > 0x3F< / span > ]< / a >
< a class = "sourceLine" id = "cb2-19" title = "19" > ]; < / a >
< a class = "sourceLine" id = "cb2-20" title = "20" > }< / a >
< a class = "sourceLine" id = "cb2-21" title = "21" > < span class = "cf" > return< / span > password;< / a >
< a class = "sourceLine" id = "cb2-22" title = "22" > }< / a >
< a class = "sourceLine" id = "cb2-23" title = "23" > < / a >
< a class = "sourceLine" id = "cb2-24" title = "24" > - (NSString *)hexadecimalRepresentation:(< span class = "dt" > unsigned< / span > < span class = "dt" > char< / span > *)result {< / a >
< a class = "sourceLine" id = "cb2-25" title = "25" > NSString *password=[[NSString alloc] init];< / a >
< a class = "sourceLine" id = "cb2-26" title = "26" > < span class = "cf" > for< / span > (< span class = "dt" > int< / span > i=< span class = "dv" > 0< / span > ; i< CC_SHA1_DIGEST_LENGTH; i++) {< / a >
< a class = "sourceLine" id = "cb2-27" title = "27" > password=[password stringByAppendingFormat:@< span class = "st" > " %02x" < / span > , result[i]];< / a >
< a class = "sourceLine" id = "cb2-28" title = "28" > }< / a >
< a class = "sourceLine" id = "cb2-29" title = "29" > < span class = "cf" > return< / span > password;< / a >
< a class = "sourceLine" id = "cb2-30" title = "30" > }< / a >
< a class = "sourceLine" id = "cb2-31" title = "31" > < / a >
< a class = "sourceLine" id = "cb2-32" title = "32" > - (NSString *)b64_sha1:(NSString *)inputString {< / a >
< a class = "sourceLine" id = "cb2-33" title = "33" > < span class = "dt" > unsigned< / span > < span class = "dt" > char< / span > result[CC_SHA1_DIGEST_LENGTH+< span class = "dv" > 1< / span > ];< / a >
< a class = "sourceLine" id = "cb2-34" title = "34" > [self sha1:inputString result:result];< / a >
< a class = "sourceLine" id = "cb2-35" title = "35" > < span class = "cf" > return< / span > [self base64:result];< / a >
< a class = "sourceLine" id = "cb2-36" title = "36" > }< / a >
< a class = "sourceLine" id = "cb2-37" title = "37" > < / a >
< a class = "sourceLine" id = "cb2-38" title = "38" > - (NSString *)hex_sha1:(NSString *)inputString {< / a >
< a class = "sourceLine" id = "cb2-39" title = "39" > < span class = "dt" > unsigned< / span > < span class = "dt" > char< / span > result[CC_SHA1_DIGEST_LENGTH+< span class = "dv" > 1< / span > ];< / a >
< a class = "sourceLine" id = "cb2-40" title = "40" > [self sha1:inputString result:result];< / a >
< a class = "sourceLine" id = "cb2-41" title = "41" > < span class = "cf" > return< / span > [self hexadecimalRepresentation:result];< / a >
< a class = "sourceLine" id = "cb2-42" title = "42" > }< / a > < / code > < / pre > < / div >
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