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Harald Freudenberger d34b1acb78 s390/prng: Adjust generation of entropy to produce real 256 bits. ... The generate_entropy function used a sha256 for compacting together 256 bits of entropy into 32 bytes hash. However, it is questionable if a sha256 can really be used here, as potential collisions may reduce the max entropy fitting into a 32 byte hash value. So this batch introduces the use of sha512 instead and the required buffer adjustments for the calling functions. Further more the working buffer for the generate_entropy function has been widened from one page to two pages. So now 1024 stckf invocations are used to gather 256 bits of entropy. This has been done to be on the save side if the jitters of stckf values isn't as good as supposed. Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>		8 years ago
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Makefile	s390/crc32-vx: add crypto API module for optimized CRC-32 algorithms	9 years ago
aes_s390.c	s390/crypto: Extend key length check for AES-XTS in fips mode.	8 years ago
crc32-vx.c	s390/fpu: improve kernel_fpu_[begin|end]	9 years ago
crc32be-vx.S	s390/crc32-vx: use vector instructions to optimize CRC-32 computation	9 years ago
crc32le-vx.S	s390/crc32-vx: use vector instructions to optimize CRC-32 computation	9 years ago
des_s390.c	s390/crypto: Check des3_ede keys for uniqueness in fips mode	8 years ago
ghash_s390.c	s390/crypto: cpacf function detection	9 years ago
prng.c	s390/prng: Adjust generation of entropy to produce real 256 bits.	8 years ago
sha.h	crypto: s390/sha - replace raw value by their coresponding define	9 years ago
sha1_s390.c	s390/crypto: cpacf function detection	9 years ago
sha256_s390.c	s390/crypto: cpacf function detection	9 years ago
sha512_s390.c	s390/crypto: cpacf function detection	9 years ago
sha_common.c	s390/crypto: simplify return code handling	9 years ago