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| author | Simo Sorce <simo@redhat.com> | 2013-10-19 14:59:03 -0400 |
|---|---|---|
| committer | Simo Sorce <simo@redhat.com> | 2013-10-23 08:53:08 -0400 |
| commit | 3d372dfa045cf6bed5d548d86bce57db8241b9ec (patch) | |
| tree | 084e7d421347233130652bb4eaaeb82e6a01a8bf /src | |
| parent | 18f1004c1083cc3988f869e84102568731fbb901 (diff) | |
| download | gss-ntlmssp-3d372dfa045cf6bed5d548d86bce57db8241b9ec.tar.gz gss-ntlmssp-3d372dfa045cf6bed5d548d86bce57db8241b9ec.tar.xz gss-ntlmssp-3d372dfa045cf6bed5d548d86bce57db8241b9ec.zip | |
Add CRC32 function using Zlib's crc32
Diffstat (limited to 'src')
| -rw-r--r-- | src/crypto.c | 6 | ||||
| -rw-r--r-- | src/crypto.h | 10 |
2 files changed, 16 insertions, 0 deletions
diff --git a/src/crypto.c b/src/crypto.c index aabd399..8074d4b 100644 --- a/src/crypto.c +++ b/src/crypto.c @@ -22,6 +22,7 @@ #include <openssl/evp.h> #include <openssl/hmac.h> #include <openssl/rand.h> +#include <zlib.h> #include "crypto.h" @@ -299,3 +300,8 @@ int DESL(struct ntlm_buffer *key, return 0; } + +uint32_t CRC32(uint32_t crc, struct ntlm_buffer *payload) +{ + return crc32(crc, payload->data, payload->length); +} diff --git a/src/crypto.h b/src/crypto.h index 9f2448a..87ff830 100644 --- a/src/crypto.h +++ b/src/crypto.h @@ -153,4 +153,14 @@ int DESL(struct ntlm_buffer *key, struct ntlm_buffer *payload, struct ntlm_buffer *result); +/** + * @brief The CRC32 checksum + * + * @param crc Initial crc, usually 0 + * @param payload The data to checksum + * + * @return The resulting CRC. + */ +uint32_t CRC32(uint32_t crc, struct ntlm_buffer *payload); + #endif /* _SRC_CRYPTO_H_ */ |