Low-severity security hardening across TLS, X.509, PKCS#7/12, DTLS 1.3, QUIC, and the sniffer

[aidangarske]

F-6559, F-6731, F-6730, F-6723, F-6711, F-4112, F-4111, F-6328, F-6704, F-6705, F-5585, F-6712, F-5625, F-6557,
F-5729, F-6708, F-4154, F-4155, F-5755, F-5859, F-5860, F-6523, F-5626, F-3886, F-4149, F-4150, F-4616, F-4617,
F-1839, F-1842, F-6729, F-6303

[github-actions]

retest this please

[github-actions]

MemBrowse Memory Report

gcc-arm-cortex-m0plus

• FLASH: .text +12 B (+0.0%, 64,167 B / 262,144 B, total: 24% used)

gcc-arm-cortex-m3

• FLASH: .text -8 B (-0.0%, 122,473 B / 262,144 B, total: 47% used)

gcc-arm-cortex-m4-baremetal

• FLASH: .text -64 B (-0.1%, 66,763 B / 262,144 B, total: 25% used)

gcc-arm-cortex-m4-openssl-compat

• FLASH: .text +192 B (+0.0%, 771,340 B / 1,048,576 B, total: 74% used)

gcc-arm-cortex-m4-pq

• FLASH: .text +64 B (+0.0%, 279,460 B / 1,048,576 B, total: 27% used)

gcc-arm-cortex-m4-rsa-only

• FLASH: .text +64 B (+0.0%, 325,056 B / 1,048,576 B, total: 31% used)

gcc-arm-cortex-m4-tls13

• FLASH: .text +64 B (+0.0%, 236,146 B / 262,144 B, total: 90% used)

gcc-arm-cortex-m7-pq

• FLASH: .text +64 B (+0.0%, 280,036 B / 1,048,576 B, total: 27% used)

gcc-arm-cortex-m7-tls13

• FLASH: .text +64 B (+0.0%, 236,210 B / 262,144 B, total: 90% used)

linuxkm-standard

• Data: __patchable_function_entries +16 B (+0.0%, 48,240 B)

stm32-sim-stm32h753

• FLASH: .text +64 B (+0.0%, 183,460 B / 2,097,152 B, total: 9% used)
  No memory changes detected for:
• gcc-arm-cortex-m4
• gcc-arm-cortex-m4-crypto-only
• gcc-arm-cortex-m4-dtls13
• gcc-arm-cortex-m4-min-ecc
• gcc-arm-cortex-m4-pkcs7
• gcc-arm-cortex-m4-sp-math
• gcc-arm-cortex-m4-tls12
• gcc-arm-cortex-m7
• linuxkm-pie