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crypto: ecdsa - Add support for ECDSA signature verification

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Add support for parsing the parameters of a NIST P256 or NIST P192 key.
Enable signature verification using these keys. The new module is
enabled with CONFIG_ECDSA:
  Elliptic Curve Digital Signature Algorithm (NIST P192, P256 etc.)
  is A NIST cryptographic standard algorithm. Only signature verification
  is implemented.

Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-crypto@vger.kernel.org
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Stefan Berger
2021-03-16 17:07:32 -04:00
committed by Herbert Xu
parent 7547738d28
commit 4e6602916b
8 changed files with 671 additions and 11 deletions
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crypto/Makefile
+6
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@@ -50,6 +50,12 @@ sm2_generic-y += sm2.o
obj-$(CONFIG_CRYPTO_SM2) += sm2_generic.o
$(obj)/ecdsasignature.asn1.o: $(obj)/ecdsasignature.asn1.c $(obj)/ecdsasignature.asn1.h
$(obj)/ecdsa.o: $(obj)/ecdsasignature.asn1.h
ecdsa_generic-y += ecdsa.o
ecdsa_generic-y += ecdsasignature.asn1.o
obj-$(CONFIG_CRYPTO_ECDSA) += ecdsa_generic.o
crypto_acompress-y := acompress.o
crypto_acompress-y += scompress.o
obj-$(CONFIG_CRYPTO_ACOMP2) += crypto_acompress.o