[Ubuntu 9.10 and Cowpatty]

i have the same errors when i'm trying install cowpatty

cc -pipe -Wall -DOPENSSL -O2 -g3 -ggdb -c -o md5.o md5.c

md5.c:20:25: error: openssl/md5.h: Aucun fichier ou dossier de ce type

md5.c: In function ‘md5_mac’:

md5.c:28: error: ‘MD5_CTX’ undeclared (first use in this function)

md5.c:28: error: (Each undeclared identifier is reported only once

md5.c:28: error: for each function it appears in.)

md5.c:28: error: expected ‘;’ before ‘context’

md5.c:29: warning: implicit declaration of function ‘MD5_Init’

md5.c:29: error: ‘context’ undeclared (first use in this function)

md5.c:30: warning: implicit declaration of function ‘MD5_Update’

md5.c:33: warning: implicit declaration of function ‘MD5_Final’

md5.c: In function ‘hmac_md5_vector’:

md5.c:40: error: ‘MD5_CTX’ undeclared (first use in this function)

md5.c:40: error: expected ‘;’ before ‘context’

md5.c:48: error: ‘context’ undeclared (first use in this function)

make: *** [md5.o] Erreur 1