Function cbm_sha256_update

src/foundation/sha256.c:80–90

}

void cbm_sha256_update(cbm_sha256_ctx *c, const void *data, size_t len) {
    const uint8_t *p = (const uint8_t *)data;
    for (size_t i = 0; i < len; i++) {
        c->buf[c->buflen++] = p[i];
        if (c->buflen == 64) {
            sha256_transform(c, c->buf);
            c->bitlen += 512;
            c->buflen = 0;
        }
    }
}

void cbm_sha256_final(cbm_sha256_ctx *c, uint8_t out[CBM_SHA256_DIGEST_LEN]) {
    c->bitlen += (uint64_t)c->buflen * 8;