xdigest-src 0.5.0

Extremely fast digest algorithm implementations packaged into a lightweight library (source code).
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

#include <assert.h>
#include <string.h>
#include <stdlib.h>

#include <xdigest.h>
#include <xdigest_sha2.h>

int main() {
    xdig_sha256_ctx_t *ctx = malloc(xdig_sha256_ctx_size());
    unsigned char digest1[XDIG_SHA256_DIGEST_LENGTH];
    unsigned char digest2[XDIG_SHA256_DIGEST_LENGTH];

    xdig_init();

    xdig_sha256_ctx_init(ctx);
    xdig_sha256_ctx_update(ctx, "abc", 3);
    xdig_sha256_ctx_update(ctx, "more things", sizeof("more things"));
    xdig_sha256_ctx_final(ctx, digest1);

    /* There is also a convenience wrapper. */
    xdig_sha256("abcmore things", sizeof("abcmore things"), digest2);

    /* Should be the same data. */
    assert(memcmp(digest1, digest2, sizeof(digest1)) == 0);

    return 0;
}