ruben.de.visscher's articles:

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Memory allocation problem 3 29 (2/4/2006 9:59:38 AM) comp.lang.c I am writing code for a dictionary type in c, but i have some problems allocating the memory for it. The dictionary type itself is a struct with the following contents: typedef struct { char ** keys; char **... RubenDV

Resolve local addresses 4 115 (2/1/2006 4:06:00 PM) comp.unix.programmer I am writing a small webserver application in c and i wondered if i could translate local addresses like "imac-dev.local" to a valid sockaddr structure. I don't know if these addresses are used only on Mac OS X... ruben

string to hex #2 3 33 (9/20/2005 6:25:19 PM) comp.lang.c I want to convert a message digest string like f5d73823596b869ef5ddf38af0920688a52257b2 into an array of unsigned chars , for example (with the previously mentioned message digest string) : buf[0] = 0xf5 buf[1... RubenDV

how can i store huge values? 4 26 (8/8/2005 6:12:39 PM) comp.lang.c I am trying to make a cipher with a 256-bit key but i have no idea how the store this key without using arrays of ints or something like that. I just need a type that is big enough to hold the entire key, becau... RubenDV

Need help with SHA1 4 40 (7/6/2005 1:19:00 PM) comp.lang.c Hi, I want to make a program that checks the SHA1 message digest of a password from the user with a list of usernames and the corresponding message digests of their passwords. The problem is, that it simply re... ruben

Permutations on binary strings 3 26 (7/2/2005 6:00:14 PM) comp.lang.c I am trying to write a program that encrypts 8-bit plaintext using a 10-bit key. To generate subkeys, and for other things, i will need to be able to perform permutations on binary strings for example: if k1k2... ruben

ruben.de.visscher's replies:

Items(3) /1

Need help with SHA1 4 40 (7/6/2005 1:19:00 PM) comp.lang.c Hi, I want to make a program that checks the SHA1 message digest of a password from the user with a list of usernames and the corresponding message digests of their passwords. The problem is, that it simply re... ruben.de.visscher (9)

string to hex #2 3 33 (9/20/2005 6:25:19 PM) comp.lang.c I want to convert a message digest string like f5d73823596b869ef5ddf38af0920688a52257b2 into an array of unsigned chars , for example (with the previously mentioned message digest string) : buf[0] = 0xf5 buf[1... ruben.de.visscher (9)

Memory allocation problem 3 29 (2/4/2006 9:59:38 AM) comp.lang.c I am writing code for a dictionary type in c, but i have some problems allocating the memory for it. The dictionary type itself is a struct with the following contents: typedef struct { char ** keys; char **... ruben.de.visscher (9)