aboutsummaryrefslogtreecommitdiff
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/curl_md5.h29
-rw-r--r--lib/md5.c50
2 files changed, 79 insertions, 0 deletions
diff --git a/lib/curl_md5.h b/lib/curl_md5.h
index ddc61e3e5..b445500fc 100644
--- a/lib/curl_md5.h
+++ b/lib/curl_md5.h
@@ -25,10 +25,39 @@
#ifndef CURL_DISABLE_CRYPTO_AUTH
#include "curl_hmac.h"
+#define MD5_DIGEST_LEN 16
+
+typedef void (* Curl_MD5_init_func)(void *context);
+typedef void (* Curl_MD5_update_func)(void *context,
+ const unsigned char *data,
+ unsigned int len);
+typedef void (* Curl_MD5_final_func)(unsigned char *result, void *context);
+
+typedef struct {
+ Curl_MD5_init_func md5_init; /* Initialize context procedure */
+ Curl_MD5_update_func md5_update; /* Update context with data */
+ Curl_MD5_final_func md5_final; /* Get final result procedure */
+ unsigned int md5_ctxtsize; /* Context structure size */
+ unsigned int md5_resultlen; /* Result length (bytes) */
+} MD5_params;
+
+typedef struct {
+ const MD5_params *md5_hash; /* Hash function definition */
+ void *md5_hashctx; /* Hash function context */
+} MD5_context;
+
+extern const MD5_params Curl_DIGEST_MD5[1];
extern const HMAC_params Curl_HMAC_MD5[1];
void Curl_md5it(unsigned char *output,
const unsigned char *input);
+
+MD5_context * Curl_MD5_init(const MD5_params *md5params);
+int Curl_MD5_update(MD5_context *context,
+ const unsigned char *data,
+ unsigned int len);
+int Curl_MD5_final(MD5_context *context, unsigned char *result);
+
#endif
#endif /* HEADER_CURL_MD5_H */
diff --git a/lib/md5.c b/lib/md5.c
index 13cb9e294..e58f2c515 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -407,6 +407,15 @@ const HMAC_params Curl_HMAC_MD5[] = {
}
};
+const MD5_params Curl_DIGEST_MD5[] = {
+ {
+ (Curl_MD5_init_func) MD5_Init, /* Digest initialization function */
+ (Curl_MD5_update_func) MD5_Update, /* Digest update function */
+ (Curl_MD5_final_func) MD5_Final, /* Digest computation end function */
+ sizeof(MD5_CTX), /* Size of digest context struct */
+ 16 /* Result size */
+ }
+};
void Curl_md5it(unsigned char *outbuffer, /* 16 bytes */
const unsigned char *input)
@@ -417,4 +426,45 @@ void Curl_md5it(unsigned char *outbuffer, /* 16 bytes */
MD5_Final(outbuffer, &ctx);
}
+MD5_context * Curl_MD5_init(const MD5_params *md5params)
+{
+ MD5_context* ctxt;
+
+ /* Create MD5 context */
+ ctxt = malloc(sizeof *ctxt);
+
+ if(!ctxt)
+ return ctxt;
+
+ ctxt->md5_hashctx = malloc(md5params->md5_ctxtsize);
+
+ if(!ctxt->md5_hashctx)
+ return ctxt->md5_hashctx;
+
+ ctxt->md5_hash = md5params;
+
+ (*md5params->md5_init)(ctxt->md5_hashctx);
+
+ return ctxt;
+}
+
+int Curl_MD5_update(MD5_context *context,
+ const unsigned char *data,
+ unsigned int len)
+{
+ (*context->md5_hash->md5_update)(context->md5_hashctx, data, len);
+
+ return 0;
+}
+
+int Curl_MD5_final(MD5_context *context, unsigned char *result)
+{
+ (*context->md5_hash->md5_final)(result, context->md5_hashctx);
+
+ free(context->md5_hashctx);
+ free(context);
+
+ return 0;
+}
+
#endif /* CURL_DISABLE_CRYPTO_AUTH */