Export the MD5 hash init/update/finish progressive APIs for better flexibility.
Signed-off-by: Chia-Wei Wang chiawei_wang@aspeedtech.com --- include/u-boot/md5.h | 4 ++++ lib/md5.c | 6 +++--- 2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/include/u-boot/md5.h b/include/u-boot/md5.h index e09c16a6e3..e5cb923d77 100644 --- a/include/u-boot/md5.h +++ b/include/u-boot/md5.h @@ -17,6 +17,10 @@ struct MD5Context { }; };
+void MD5Init(struct MD5Context *ctx); +void MD5Update(struct MD5Context *ctx, unsigned char const *buf, unsigned len); +void MD5Final(unsigned char digest[16], struct MD5Context *ctx); + /* * Calculate and store in 'output' the MD5 digest of 'len' bytes at * 'input'. 'output' must have enough space to hold 16 bytes. diff --git a/lib/md5.c b/lib/md5.c index 2ae4a06319..688b7254c6 100644 --- a/lib/md5.c +++ b/lib/md5.c @@ -55,7 +55,7 @@ byteReverse(unsigned char *buf, unsigned longs) * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious * initialization constants. */ -static void +void MD5Init(struct MD5Context *ctx) { ctx->buf[0] = 0x67452301; @@ -71,7 +71,7 @@ MD5Init(struct MD5Context *ctx) * Update context to reflect the concatenation of another buffer full * of bytes. */ -static void +void MD5Update(struct MD5Context *ctx, unsigned char const *buf, unsigned len) { register __u32 t; @@ -120,7 +120,7 @@ MD5Update(struct MD5Context *ctx, unsigned char const *buf, unsigned len) * Final wrapup - pad to 64-byte boundary with the bit pattern * 1 0* (64-bit count of bits processed, MSB-first) */ -static void +void MD5Final(unsigned char digest[16], struct MD5Context *ctx) { unsigned int count;