linux-master/crypto/hmac.c

76 static int hmac_export(struct shash_desc *pdesc, void *out)
78 	struct shash_desc *desc = shash_desc_ctx(pdesc);
83 static int hmac_import(struct shash_desc *pdesc, const void *in)
85 	struct shash_desc *desc = shash_desc_ctx(pdesc);
86 	const struct hmac_ctx *tctx = crypto_shash_ctx(pdesc->tfm);
93 static int hmac_init(struct shash_desc *pdesc)
95 	const struct hmac_ctx *tctx = crypto_shash_ctx(pdesc->tfm);
97 	return hmac_import(pdesc, &tctx->pads[0]);
100 static int hmac_update(struct shash_desc *pdesc,
103 	struct shash_desc *desc = shash_desc_ctx(pdesc);
108 static int hmac_final(struct shash_desc *pdesc, u8 *out)
110 	struct crypto_shash *parent = pdesc->tfm;
115 	struct shash_desc *desc = shash_desc_ctx(pdesc);
122 static int hmac_finup(struct shash_desc *pdesc, const u8 *data,
126 	struct crypto_shash *parent = pdesc->tfm;
131 	struct shash_desc *desc = shash_desc_ctx(pdesc);