51 dtls_hmac_context_free(dtls_hmac_context_t *ctx) {  in dtls_hmac_context_free()  argument
52   free(ctx);  in dtls_hmac_context_free()
65 dtls_hmac_context_free(dtls_hmac_context_t *ctx) {  in dtls_hmac_context_free()  argument
66   memb_free(&hmac_context_storage, ctx);  in dtls_hmac_context_free()
76 dtls_hmac_update(dtls_hmac_context_t *ctx,  in dtls_hmac_update()  argument
78   assert(ctx);  in dtls_hmac_update()
79   dtls_hash_update(&ctx->data, input, ilen);  in dtls_hmac_update()
84   dtls_hmac_context_t *ctx;  in dtls_hmac_new()  local
86   ctx = dtls_hmac_context_new();  in dtls_hmac_new()
87   if (ctx)   in dtls_hmac_new()
88     dtls_hmac_init(ctx, key, klen);  in dtls_hmac_new()
90   return ctx;  in dtls_hmac_new()
94 dtls_hmac_init(dtls_hmac_context_t *ctx, const unsigned char *key, size_t klen) {  in dtls_hmac_init()  argument
97   assert(ctx);  in dtls_hmac_init()
99   memset(ctx, 0, sizeof(dtls_hmac_context_t));  in dtls_hmac_init()
102     dtls_hash_init(&ctx->data);  in dtls_hmac_init()
103     dtls_hash_update(&ctx->data, key, klen);  in dtls_hmac_init()
104     dtls_hash_finalize(ctx->pad, &ctx->data);  in dtls_hmac_init()
106     memcpy(ctx->pad, key, klen);  in dtls_hmac_init()
110     ctx->pad[i] ^= 0x36;  in dtls_hmac_init()
112   dtls_hash_init(&ctx->data);  in dtls_hmac_init()
113   dtls_hmac_update(ctx, ctx->pad, DTLS_HMAC_BLOCKSIZE);  in dtls_hmac_init()
117     ctx->pad[i] ^= 0x6A;  in dtls_hmac_init()
121 dtls_hmac_free(dtls_hmac_context_t *ctx) {  in dtls_hmac_free()  argument
122   if (ctx)  in dtls_hmac_free()
123     dtls_hmac_context_free(ctx);  in dtls_hmac_free()
127 dtls_hmac_finalize(dtls_hmac_context_t *ctx, unsigned char *result) {  in dtls_hmac_finalize()  argument
131   assert(ctx);  in dtls_hmac_finalize()
134   len = dtls_hash_finalize(buf, &ctx->data);  in dtls_hmac_finalize()
136   dtls_hash_init(&ctx->data);  in dtls_hmac_finalize()
137   dtls_hash_update(&ctx->data, ctx->pad, DTLS_HMAC_BLOCKSIZE);  in dtls_hmac_finalize()
138   dtls_hash_update(&ctx->data, buf, len);  in dtls_hmac_finalize()
140   len = dtls_hash_finalize(result, &ctx->data);  in dtls_hmac_finalize()
151   dtls_hmac_context_t *ctx;  in main()  local
159   ctx = dtls_hmac_new(argv[1], strlen(argv[1]));  in main()
160   assert(ctx);  in main()
161   dtls_hmac_update(ctx, argv[2], strlen(argv[2]));  in main()
163   len = dtls_hmac_finalize(ctx, buf);  in main()
169   dtls_hmac_free(ctx);  in main()